Rickettsia

Rickettsia, Chlamydia, Mycoplasma, Legionella, and Gardnerella Everything else to the end……….
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History of Rickettsial Diseases
http://pathmicro.med.sc.edu

Rickettsias, Chlamydias, Spirochetes, and Vibrios
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Rickettsia species
http://www.uiowa.edu

Chlamydia & Rickettsia
http://www.austincc.edu

Chlamydia, Rickettsia, and Mycoplasma Infections
http://www.lsic.ucla.edu

Hawaiian Rickettsia –like Organism (HRLO)
Allen C. Riggs DVM, MS
http://www.ctahr.hawaii.edu

Rickettsia Prowazekii
http://iws.collin.edu

Infections Caused by Borrelia, Rickettsia, and Coxiella
John W. Gnann, Jr., M.D
http://www.microbio.uab.edu

The Proteobacteria and Bacterial Diseases
http://www.canyons.edu

Mycoplasma
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Microbial Diseases of the Cardiovascular and Lymphatic Systems
B.E Pruitt & Jane J. Stein
http://faculty.sdmiramar.edu

Wildlife Diseases - Are you prepared to be grossed out?
http://academic.keystone.edu

Bergey’s “oddball” Gram negatives Obligate intracellular parasites:
Rickettsia,Chlamydia
http://www.longwood.edu

Obligate Intracellular Pathogen
Rickettsia, Chlamydia
http://instructional1.calstatela.edu

Tick-borne infections
http://www.unc.edu

Diseases of the Cardiovascular and Lymphatic Systems
http://www.swccd.edu

600 free full text published articles on Rickettsia

1. Rickettsia parkeri and Candidatus Rickettsia andeanae in Gulf Coast Ticks, Mississippi, USA.
2. Rickettsia felis in Aedes albopictus Mosquitoes, Libreville, Gabon.
3. Molecular Detection of Spotted Fever Group Rickettsia in Feral Raccoons (Procyon lotor) in the Western Part of Japan.
4. Rickettsia raoultii-like Bacteria in Dermacentor spp. Ticks, Tibet, China.
5. Surface Proteome Analysis and Characterization of Surface Cell Antigen (Sca) or Autotransporter Family of Rickettsia typhi.
6. Rickettsia felis in fleas, southern Ethiopia, 2010.
7. TolC-Dependent Secretion of an Ankyrin Repeat-Containing Protein of Rickettsia typhi.
8. Why are there so few Rickettsia conorii conorii-infected Rhipicephalus sanguineus ticks in the wild?
9. Rickettsia parkeri: a Rickettsial pathogen transmitted by ticks in endemic areas for spotted fever rickettsiosis in southern Uruguay.
10. Expression of an epitope-tagged virulence protein in Rickettsia parkeri using transposon insertion.
11. Rickettsia conorii Indian tick typhus strain and R. slovaca in humans, Sicily.
12. Rickettsia parkeri infection in domestic dogs, Southern Louisiana, USA, 2011.
13. Establishment of a replicating plasmid in Rickettsia prowazekii.
14. Rickettsia monacensis as cause of Mediterranean spotted fever-like illness, Italy.
15. Dose-response model of murine typhus (Rickettsia typhi): time post inoculation and host age dependency analysis.
16. Complete genome sequence of Rickettsia slovaca, the agent of tick-borne lymphadenitis.
17. Rickettsia felis infection in febrile patients, western Kenya, 2007-2010.
18. Rickettsia africae Infection in a Japanese Traveller with Many Tick Bites.
19. Rickettsia felis infections, New Zealand.
20. First report on the occurrence of Rickettsia slovaca and Rickettsia raoultii in Dermacentor silvarum in China.
21. Spotted fever group Rickettsia infecting ticks (Acari: Ixodidae) in the state of Santa Catarina, Brazil.
22. Development of shuttle vectors for transformation of diverse Rickettsia species.
23. Rickettsia parkeri in Amblyomma maculatum ticks, North Carolina, USA, 2009-2010.
24. Rickettsia species infecting Amblyomma ticks from an area endemic for Brazilian spotted fever in Brazil.
25. [Surveillance of Rickettsia sp. infection in capybaras (Hydrochoerus hydrochaeris) a potential model of epidemiological alert in endemic areas].
26. Bartonella and Rickettsia in arthropods from the Lao PDR and from Borneo, Malaysia.
27. Crystal structure of the DNA-bound VapBC2 antitoxin/toxin pair from Rickettsia felis.
28. Distribution of Rickettsia rickettsii in ovary cells of Rhipicephalus sanguineus (Latreille1806) (Acari: Ixodidae).
29. Life cycle, growth characteristics and host cell response of Rickettsia helvetica in a Vero cell line.
30. A Rickettsia genome overrun by mobile genetic elements provides insight into the acquisition of genes characteristic of an obligate intracellular lifestyle.
31. Intraocular inflammation as the main manifestation of Rickettsia conorii infection.
32. Rickettsia honei infection in human, Nepal, 2009.
33. Molecular evidence of Rickettsia felis infection in dogs from Northern Territory, Australia.
34. Complete genome sequence of Rickettsia heilongjiangensis, an emerging tick-transmitted human pathogen.
35. Structure of fumarate hydratase from Rickettsia prowazekii, the agent of typhus and suspected relative of the mitochondria.
36. Structure of 3-ketoacyl-(acyl-carrier-protein) reductase from Rickettsia prowazekii at 2.25 Å resolution.
37. Fatal Brazilian spotless fever caused by Rickettsia rickettsii in a dark-skinned patient.
38. The Rickettsia prowazekii ExoU homologue possesses phospholipase A1 (PLA1), PLA2, and lyso-PLA2 activities and can function in the absence of any eukaryotic cofactors in vitro.
39. Transformation frequency of a mariner-based transposon in Rickettsia rickettsii.
40. Rickettsia parkeri Rickettsiosis, Argentina.
41. Occurrence of Babesia spp., Rickettsia spp. and Bartonella spp. in Ixodes ricinus in Bavarian public parks, Germany.
42. Rickettsia 'in' and 'out': two different localization patterns of a bacterial symbiont in the same insect species.
43. Beta interferon-mediated activation of signal transducer and activator of transcription protein 1 interferes with Rickettsia conorii replication in human endothelial cells.
44. Rickettsia monteiroi sp. nov., infecting the tick Amblyomma incisum in Brazil.
45. Differential proteomic analysis of Rickettsia prowazekii propagated in diverse host backgrounds.
46. Transmission electron microscopy as a tool for exploring bacterial proteins: model of RickA in Rickettsia conorii.
47. Rickettsia parkeri in gulf coast ticks, southeastern Virginia, USA.
48. Rickettsia rickettsii transmission by a lone star tick, North Carolina.
49. Experimental infection of Amblyomma aureolatum ticks with Rickettsia rickettsii.
50. The First Human Case of Rickettsia tamurae Infection in Japan.
51. Absence of zoonotic Bartonella species in questing ticks: first detection of Bartonella clarridgeiae and Rickettsia felis in cat fleas in the Netherlands.
52. Molecular detection and identification of Rickettsia species in Ixodes pacificus in California.
53. Gene gain and loss events in Rickettsia and Orientia species.
54. Complementation of Rickettsia rickettsii RelA/SpoT restores a nonlytic plaque phenotype.
55. Analysis of convergent gene transcripts in the obligate intracellular bacterium Rickettsia prowazekii.
56. A focus of dogs and Rickettsia massiliae-infected Rhipicephalus sanguineus in California.
57. Rickettsia aeschlimannii in Hyalomma marginatum ticks, Germany.
58. Acquisition of Rickettsia felis by cat fleas during feeding.
59. Short report: New spotted fever group Rickettsia in a Rhipicephalus turanicus tick removed from a child in eastern Sicily, Italy.
60. Emergence of Rickettsia africae, Oceania.
61. Coinfection with Rickettsia helvetica and Herpes Simplex Virus 2 in a Young Woman with Meningoencephalitis.
62. Serosurvey of antibodies against spotted fever group Rickettsia spp. in horse farms in Northern Paraná, Brazil.
63. Seroprevalence of Rickettsia bellii and Rickettsia felis in dogs, São José dos Pinhais, State of Paraná, Brazil.
64. Serological survey of Rickettsia sp. in horses and dogs in a non-endemic area in Brazil.
65. High incidence of rickettsiosis correlated to prevalence of Rickettsia japonica among Haemaphysalis longicornis tick.
66. Rickettsia typhi infection with interstitial pneumonia in a traveler treated with moxifloxacin.
67. Rickettsia in synanthropic and domestic animals and their hosts from two areas of low endemicity for Brazilian spotted fever in the eastern region of Minas Gerais, Brazil.
68. Rickettsia typhi and Rickettsia felis in Xenopsylla cheopis and Leptopsylla segnis parasitizing rats in Cyprus.
69. Zoonotic and infectious disease surveillance in Central America: Honduran feral cats positive for toxoplasma, trypanosoma, leishmania, rickettsia, and Lyme disease.
70. Evaluation of Rickettsia japonica pathogenesis and reservoir potential in dogs by experimental inoculation and epidemiologic survey.
71. Rickettsia Sca2 is a bacterial formin-like mediator of actin-based motility.
72. A Kunitz protease inhibitor from Dermacentor variabilis, a vector for spotted fever group rickettsiae, limits Rickettsia montanensis invasion.
73. Absence of Rickettsia rickettsii and occurrence of other spotted fever group rickettsiae in ticks from Tennessee.
74. Rickettsia sibirica mongolitimonae in traveler from Egypt.
75. Detection and prevalence of Anaplasma phagocytophilum and Rickettsia helvetica in Ixodes ricinus ticks in seven study areas in Sweden.
76. Human Rickettsia heilongjiangensis infection, Japan.
77. Amblyomma imitator ticks as vectors of Rickettsia rickettsii, Mexico.
78. Involvement of TLR2 and TLR4 in cell responses to Rickettsia akari.
79. Rickettsia felis-associated uneruptive fever, Senegal.
80. Human Infection with Rickettsia felis, Kenya.
81. Rickettsia prowazekii uses an sn-glycerol-3-phosphate dehydrogenase and a novel dihydroxyacetone phosphate transport system to supply triose phosphate for phospholipid biosynthesis.
82. Interaction of Rickettsia felis with histone H2B facilitates the infection of a tick cell line.
83. Defining a core set of actin cytoskeletal proteins critical for actin-based motility of Rickettsia.
84. Functional characterization of a phospholipase A(2) homolog from Rickettsia typhi.
85. Rickettsia rickettsii infection of human macrovascular and microvascular endothelial cells reveals activation of both common and cell type-specific host response mechanisms.
86. Genomic, proteomic, and transcriptomic analysis of virulent and avirulent Rickettsia prowazekii reveals its adaptive mutation capabilities.
87. A patient from Argentina infected with Rickettsia massiliae.
88. Serological evidence of Rickettsia parkeri as the etiological agent of rickettsiosis in Uruguay.
89. Isolation of Rickettsia parkeri and identification of a novel spotted fever group Rickettsia sp. from Gulf Coast ticks (Amblyomma maculatum) in the United States.
90. Rickettsia africae, Western Africa.
91. Rickettsia felis, West Indies.
92. Rickettsia helvetica in patient with meningitis, Sweden, 2006.
93. Borrelia, Ehrlichia, and Rickettsia spp. in ticks removed from persons, Texas, USA.
94. Disruption of the Rickettsia rickettsii Sca2 autotransporter inhibits actin-based motility.
95. Detection of "Candidatus Rickettsia sp. strain Argentina"and Rickettsia bellii in Amblyomma ticks (Acari: Ixodidae) from Northern Argentina.
96. The Rickettsia conorii autotransporter protein Sca1 promotes adherence to nonphagocytic mammalian cells.
97. Rickettsia symbionts cause parthenogenetic reproduction in the parasitoid wasp Pnigalio soemius (Hymenoptera: Eulophidae).
98. Dermacentor-borne Necrosis Erythema and Lymphadenopathy (DEBONEL): A case associated with Rickettsia rioja.
99. Rickettsia felis infection in a common household insect pest, Liposcelis bostrychophila (Psocoptera: Liposcelidae).
100. Rickettsial ompB promoter regulated expression of GFPuv in transformed Rickettsia montanensis.
101. Wide dispersal and possible multiple origins of low-copy-number plasmids in rickettsia species associated with blood-feeding arthropods.
102. Detection of Rickettsia typhi and seasonal prevalence of fleas collected from small mammals in the Republic of Korea.
103. Rickettsia 364D: a newly recognized cause of eschar-associated illness in California.
104. Dissemination of spotted fever rickettsia agents in Europe by migrating birds.
105. Adipose tissue serves as a reservoir for recrudescent Rickettsia prowazekii infection in a mouse model.
106. Adherence to and invasion of host cells by spotted Fever group rickettsia species.
107. Genome sequence of the endosymbiont Rickettsia peacockii and comparison with virulent Rickettsia rickettsii: identification of virulence factors.
108. Analysis of Rickettsia typhi-infected and uninfected cat flea (Ctenocephalides felis) midgut cDNA libraries: deciphering molecular pathways involved in host response to R. typhi infection.
109. Rickettsia slovaca in Dermacentor marginatus ticks, Germany.
110. Diagnostic assay for Rickettsia japonica.
111. Outbreak of Rickettsia typhi infection - Austin, Texas, 2008.
112. Rickettsia africae infection in man after travel to Ethiopia.
113. Rickettsia massiliae in the Canary Islands.
114. Novel rickettsia in ticks, Tasmania, Australia.
115. The realities of biodefense vaccines against Rickettsia.
116. The Sca2 autotransporter protein from Rickettsia conorii is sufficient to mediate adherence to and invasion of cultured mammalian cells.
117. Proteomic analysis of Rickettsia parkeri strain portsmouth.
118. Rickettsia parkeri in Amblyomma americanum ticks, Tennessee and Georgia, USA.
119. Ixodes ricinus ticks are reservoir hosts for Rickettsia helvetica and potentially carry flea-borne Rickettsia species.
120. [Survey of Rickettsia spp in the ticks Amblyomma cajennense and Amblyomma dubitatum in the State of São Paulo].
121. Rickettsia hoogstraalii sp. nov., isolated from hard- and soft-bodied ticks.
122. Rickettsia felis infection in man, France.
123. Rickettsia slovaca and R. raoultii in tick-borne Rickettsioses.
124. Conjugation genes are common throughout the genus Rickettsia and are transmitted horizontally.
125. Directed mutagenesis of the Rickettsia prowazekii pld gene encoding phospholipase D.
126. Evidence of extensive homologous recombination in the core genome of rickettsia.
127. A survey of antibodies against Rickettsia rickettsii and Ehrlichia chafeensis in domestic animals from a rural area of Colombia.
128. Limited transcriptional responses of Rickettsia rickettsii exposed to environmental stimuli.
129. Occurrence of Rickettsia felis in dog and cat fleas (Ctenocephalides felis) from Italy.
130. Analysis of the Rickettsia africae genome reveals that virulence acquisition in Rickettsia species may be explained by genome reduction.
131. Rickettsia rickettsii infection protects human microvascular endothelial cells against staurosporine-induced apoptosis by a cIAP(2)-independent mechanism.
132. Spotted fever group Rickettsia sp. closely related to Rickettsia japonica, Thailand.
133. Molecular Investigations of Rickettsia helvetica infection in dogs, foxes, humans, and Ixodes ticks.
134. Host-cell interactions with pathogenic Rickettsia species.
135. An anomalous type IV secretion system in Rickettsia is evolutionarily conserved.
136. Intraspecies diversity of Rickettsia conorii.
137. Rickettsia spp. in ticks, Poland.
138. Rickettsia phylogenomics: unwinding the intricacies of obligate intracellular life.
139. Evolution and diversity of Rickettsia bacteria.
140. Prevalence of Rickettsia species in Canadian populations of Dermacentor andersoni and D. variabilis.
141. Rickettsia helvetica in Dermacentor reticulatus ticks.
142. The prevalence of Bartonella, hemoplasma, and Rickettsia felis infections in domestic cats and in cat fleas in Ontario.
143. Experimental infection of dogs with a Brazilian strain of Rickettsia rickettsii: clinical and laboratory findings.
144. Short report: Rickettsia felis outer membrane protein A: a potential tool for diagnosis of patients with flea-borne spotted fever.
145. Molecular characterization of Rickettsia rickettsii isolated from human clinical samples and from the rabbit tick Haemaphysalis leporispalustris collected at different geographic zones in Costa Rica.
146. Bartonella spp. and Rickettsia felis in fleas, Democratic Republic of Congo.
147. Human case of Rickettsia felis infection, Taiwan.
148. Rickettsia sp. in Ixodes granulatus ticks, Japan.
149. Antibodies against Rickettsia spp. in hunters, Germany.
150. Rickettsia parkeri in Argentina.
151. Laboratory maintenance of Rickettsia rickettsii.
152. Rickettsia conorii transcriptional response within inoculation eschar.
153. Rickettsia aeschlimannii infection, Algeria.
154. DNA microarray analysis of the heat shock transcriptome of the obligate intracytoplasmic pathogen Rickettsia prowazekii.
155. Retrospective clinical and molecular analysis of conditioned laboratory dogs (Canis familiaris) with serologic reactions to Ehrlichia canis, Borrelia burgdorferi, and Rickettsia rickettsii.
156. Rickettsia typhi and R. felis in rat fleas (Xenopsylla cheopis), Oahu, Hawaii.
157. Rickettsia parkeri rickettsiosis and its clinical distinction from Rocky Mountain spotted fever.
158. Activation of p38 mitogen-activated protein kinase module facilitates in vitro host cell invasion by Rickettsia rickettsii.
159. Isolation and identification of a novel spotted fever group rickettsia, strain IG-1, from Ixodes granulatus ticks collected on Orchid Island (Lanyu), Taiwan.
160. Genotyping Rickettsia prowazekii isolates.
161. Rickettsia felis in fleas, Germany.
162. Prevalence and infection load dynamics of Rickettsia felis in actively feeding cat fleas.
163. Characterization of rickettsia rickettsii in a case of fatal Brazilian spotted fever in the city of Rio de Janeiro, Brazil.
164. Characterization of Sec-translocon-dependent extracytoplasmic proteins of Rickettsia typhi.
165. Featured organism: reductive evolution in bacteria: Buchnera sp., Rickettsia prowazekii and Mycobacterium leprae.
166. RickA expression is not sufficient to promote actin-based motility of Rickettsia raoultii.
167. Lawsonia intracellularis contains a gene encoding a functional rickettsia-like ATP/ADP translocase for host exploitation.
168. Rickettsia raoultii sp. nov., a spotted fever group rickettsia associated with Dermacentor ticks in Europe and Russia.
169. Rickettsia felis as emergent global threat for humans.
170. Host- and microbe-related risk factors for and pathophysiology of fatal Rickettsia conorii infection in Portuguese patients.
171. Variations of plasmid content in Rickettsia felis.
172. Human Rickettsia sibirica mongolitimonae infection, Spain.
173. Fatal Rickettsia conorii subsp. israelensis infection, Israel.
174. Rickettsia slovaca in Dermacentor marginatus and tick-borne lymphadenopathy, Tuscany, Italy.
175. Molecular identification of Rickettsia felis in ticks and fleas from an endemic area for Brazilian Spotted Fever.
176. Genome-wide screen for temperature-regulated genes of the obligate intracellular bacterium, Rickettsia typhi.
177. Identification of Rickettsia felis in the salivary glands of cat fleas.
178. Rickettsia felis in fleas, France.
179. Rickettsia sibirica subsp. mongolitimonae infection and retinal vasculitis.
180. Characterization and growth of polymorphic Rickettsia felis in a tick cell line.
181. Lymphangitis in a Portuguese patient infected with Rickettsia sibirica.
182. On Rickettsia nomenclature.
183. Rickettsial infection in capybaras (Hydrochoerus hydrochaeris) from São Paulo, Brazil: serological evidence for infection by Rickettsia bellii and Rickettsia parkeri.
184. Serological reactivity and biochemical characterization of methylated and unmethylated forms of a recombinant protein fragment derived from outer membrane protein B of Rickettsia typhi.
185. Serosurvey of Rickettsia spp. in dogs and humans from an endemic area for Brazilian spotted fever in the State of São Paulo, Brazil.
186. Detection of Rickettsia helvetica DNA from peripheral blood of Sika deer (Cervus nippon yesoensis) in Japan.
187. Rickettsia monacensis and human disease, Spain.
188. Rickettsia fells in Chile.
189. Rickettsia parkeri in Brazil.
190. Infection of endothelial cells with virulent Rickettsia prowazekii increases the transmigration of leukocytes.
191. Rickettsia infection in five areas of the state of São Paulo, Brazil.
192. Plasmids of the pRM/pRF family occur in diverse Rickettsia species.
193. Genomic comparison of virulent Rickettsia rickettsii Sheila Smith and avirulent Rickettsia rickettsii Iowa.
194. Lateral gene transfer between obligate intracellular bacteria: evidence from the Rickettsia massiliae genome.
195. Serological survey of Rickettsia japonica infection in dogs and cats in Japan.
196. Propagation of arthropod-borne Rickettsia spp. in two mosquito cell lines.
197. Mariner-based transposon mutagenesis of Rickettsia prowazekii.
198. Detection of Rickettsia africae in Rhipicephalus (Boophilus) decoloratus ticks from the Republic of Botswana, South Africa.
199. Detection of "Rickettsia sp. strain Uilenbergi" and "Rickettsia sp. strain Davousti" in Amblyomma tholloni ticks from elephants in Africa.
200. Rickettsia conorii in humans and dogs: a seroepidemiologic survey of two rural villages in Israel.
201. Prevalence of tick-borne Rickettsia and Ehrlichia in Ixodes persulcatus and Ixodes ovatus in Tokachi district, Eastern Hokkaido, Japan.
202. Comparative analysis of host-cell signalling mechanisms activated in response to infection with Rickettsia conorii and Rickettsia typhi.
203. Transposon insertion reveals pRM, a plasmid of Rickettsia monacensis.
204. Human infection with Rickettsia sp. related to R. japonica, Thailand.
205. Molecular typing of isolates of Rickettsia rickettsii by use of DNA sequencing of variable intergenic regions.
206. Flinders Island spotted fever rickettsioses caused by "marmionii" strain of Rickettsia honei, Eastern Australia.
207. Gulf Coast ticks (Amblyomma maculatum) and Rickettsia parkeri, United States.
208. Rickettsia parkeri infection after tick bite, Virginia.
209. Rickettsia peacockii, an endosymbiont of Dermacentor andersoni, does not elicit or inhibit humoral immune responses from immunocompetent D. andersoni or Ixodes scapularis cell lines.
210. Differential interaction of dendritic cells with Rickettsia conorii: impact on host susceptibility to murine spotted fever rickettsiosis.
211. Plasmids and rickettsial evolution: insight from Rickettsia felis.
212. Febrile illness associated with Rickettsia conorii infection in dogs from Sicily.
213. Rickettsia parkeri in Uruguay.
214. New tick defensin isoform and antimicrobial gene expression in response to Rickettsia montanensis challenge.
215. Reductive genome evolution from the mother of Rickettsia.
216. Toxoplasma gondii genotyping in a dog co-infected with distemper virus and ehrlichiosis rickettsia.
217. Phagocytosis of the Lyme disease spirochete, Borrelia burgdorferi, by cells from the ticks, Ixodes scapularis and Dermacentor andersoni, infected with an endosymbiont, Rickettsia peacockii.
218. Rickettsia rickettsii infection causes apoptotic death of cultured cerebellar granule neurons.
219. A protein from a parasitic microorganism, Rickettsia prowazekii, can cleave the signal sequences of proteins targeting mitochondria.
220. Isolation of Rickettsia rhipicephali and Rickettsia bellii from Haemaphysalis juxtakochi ticks in the state of São Paulo, Brazil.
221. Infection of Ixodes scapularis ticks with Rickettsia monacensis expressing green fluorescent protein: a model system.
222. The lspA gene, encoding the type II signal peptidase of Rickettsia typhi: transcriptional and functional analysis.
223. Ultrastructural description of new Rickettsia-like organisms in the commercial abalone Haliotis tuberculata (Gastropoda: Haliotidae) from the NW of Spain.
224. Rickettsia: an unusual cause of sepsis in the emergency department.
225. Isolation of Rickettsia akari from eschars of patients with rickettsialpox.
226. Molecular detection of Rickettsia felis, Rickettsia typhi and two genotypes closely related to Bartonella elizabethae.
227. Molecular method for identification of Rickettsia species in clinical and environmental samples.
228. [Rickettsia slovaca infection alter a tick bite].
229. Rickettsia asiatica sp. nov., isolated in Japan.
230. Rickettsia as obligate and mycetomic bacteria.
231. Rickettsia felis in Xenopsylla cheopis, Java, Indonesia.
232. Study of the five Rickettsia prowazekii proteins annotated as ATP/ADP translocases (Tlc): Only Tlc1 transports ATP/ADP, while Tlc4 and Tlc5 transport other ribonucleotides.
233. The emerging diversity of Rickettsia.
234. Impact of the excision of an ancient repeat insertion on Rickettsia conorii guanylate kinase activity.
235. Increased levels of soluble CD40L in African tick bite fever: possible involvement of TLRs in the pathogenic interaction between Rickettsia africae, endothelial cells, and platelets.
236. Rickettsia felis from cat fleas: isolation and culture in a tick-derived cell line.
237. Isolation and identification of Rickettsia massiliae from Rhipicephalus sanguineus ticks collected in Arizona.
238. Surveillance of Egyptian fleas for agents of public health significance: Anaplasma, Bartonella, Coxiella, Ehrlichia, Rickettsia, and Yersinia pestis.
239. Rickettsia sibirica isolation from a patient and detection in ticks, Portugal.
240. Rickettsia tamurae sp. nov., isolated from Amblyomma testudinarium ticks.
241. Cluster of cases of human Rickettsia felis infection from Southern Europe (Spain) diagnosed by PCR.
242. Genetic differentiation of Chinese isolates of Rickettsia sibirica by partial ompA gene sequencing and multispacer typing.
243. Rickettsia slovaca infection, France.
244. Rickettsia felis in fleas, Western Australia.
245. Fatal human infection with Rickettsia rickettsii, Yucatán, Mexico.
246. "Candidatus Rickettsia kellyi," India.
247. Rickettsia prowazekii and real-time polymerase chain reaction.
248. Genome sequence of Rickettsia bellii illuminates the role of amoebae in gene exchanges between intracellular pathogens.
249. Identification and localization of a Rickettsia sp. in Bemisia tabaci (Homoptera: Aleyrodidae).
250. Rickettsia massiliae human isolation.
251. First molecular detection of Rickettsia felis in fleas from Algeria.
252. Experimentally infected human body lice (pediculus humanus humanus) as vectors of Rickettsia rickettsii and Rickettsia conorii in a rabbit model.
253. [Characterization of Rickettsia spp. circulating in a silent peri-urban focus for Brazilian spotted fever in Caratinga, Minas Gerais, Brazil].
254. Polygenic detection of Rickettsia felis in cat fleas (Ctenocephalides felis) from Israel.
255. Molecular detection of Bartonella quintana, B. Elizabethae, B. Koehlerae, B. Doshiae, B. Taylorii, and Rickettsia felis in rodent fleas collected in Kabul, Afghanistan.
256. Sca1, a previously undescribed paralog from autotransporter protein-encoding genes in Rickettsia species.
257. Rickettsia africae in the West Indies.
258. Rickettsia felis infection, Tunisia.
259. Human Rickettsia felis infection, Canary Islands, Spain.
260. Isolation of Rickettsia felis in the mosquito cell line C6/36.
261. Antibodies to Rickettsia rickettsii, Rickettsia typhi, Coxiella burnetii, Bartonella henselae, Bartonella quintana, and Ehrlichia chaffeensis among healthy population in Minas Gerais, Brazil.
262. Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais.
263. Adaptive evolution and recombination of Rickettsia antigens.
264. Serological evidence of infection with Rickettsia typhi and Rickettsia felis among the human population of Catalonia, in the northeast of Spain.
265. First detection of Rickettsia felis in Ctenocephalides felis fleas parasitizing rats in Cyprus.
266. Purification and antigenic characteristics of a rickettsia-like organism from the oyster Crassostrea ariakensis.
267. Presence of Rickettsia conorii subsp. israelensis, the causative agent of Israeli spotted fever, in Sicily, Italy, ascertained in a retrospective study.
268. Bartonella quintana and Rickettsia felis in Gabon.
269. Factors influencing in vitro infectivity and growth of Rickettsia peacockii (Rickettsiales: Rickettsiaceae), an endosymbiont of the Rocky Mountain wood tick, Dermacentor andersoni (Acari, Ixodidae).
270. Human Infection with Rickettsia honei, Thailand.
271. Transcription of the Rickettsia felis ompA gene in naturally infected fleas.
272. Expression of the Rickettsia prowazekii pld or tlyC gene in Salmonella enterica serovar Typhimurium mediates phagosomal escape.
273. Multispacer typing of Rickettsia prowazekii enabling epidemiological studies of epidemic typhus.
274. Rickettsia parkeri infection and other spotted fevers in the United States.
275. Characterization of a tandem repeat polymorphism in Rickettsia strains.
276. Rickettsia symbiont in the pea aphid Acyrthosiphon pisum: novel cellular tropism, effect on host fitness, and interaction with the essential symbiont Buchnera.
277. Simultaneous detection of "Rickettsia mongolotimonae" in a patient and in a tick in Greece.
278. Prediction of resistance to erythromycin in the genus Rickettsia by mutations in L22 ribosomal protein.
279. The genome sequence of Rickettsia felis identifies the first putative conjugative plasmid in an obligate intracellular parasite.
280. Molecular evolution of rickettsia surface antigens: evidence of positive selection.
281. Characterisation of an emerging rickettsia-like organism in Tasmanian farmed Atlantic salmon Salmo salar.
282. Comparative study of overlapping genes in bacteria, with special reference to Rickettsia prowazekii and Rickettsia conorii.
283. Lymphangitis-associated rickettsiosis, a new rickettsiosis caused by Rickettsia sibirica mongolotimonae: seven new cases and review of the literature.
284. Analysis of fluorescent protein expression in transformants of Rickettsia monacensis, an obligate intracellular tick symbiont.
285. Proposal to create subspecies of Rickettsia conorii based on multi-locus sequence typing and an emended description of Rickettsia conorii.
286. NF-kappaB activation during Rickettsia rickettsii infection of endothelial cells involves the activation of catalytic IkappaB kinases IKKalpha and IKKbeta and phosphorylation-proteolysis of the inhibitor protein IkappaBalpha.
287. Use of highly variable intergenic spacer sequences for multispacer typing of Rickettsia conorii strains.
288. Sequence and expression analysis of the ompA gene of Rickettsia peacockii, an endosymbiont of the Rocky Mountain wood tick, Dermacentor andersoni.
289. No serological evidence of Rickettsia helvetica infection in Scandinavian sarcoidosis patients.
290. Rickettsia parkeri in Amblyomma triste from Uruguay.
291. Spotted-fever group Rickettsia in Dermacentor variabilis, Maryland.
292. Early signaling events involved in the entry of Rickettsia conorii into mammalian cells.
293. Detection of Rickettsia africae in patients and ticks along the coastal region of Cameroon.
294. Complete genome sequence of Rickettsia typhi and comparison with sequences of other rickettsiae.
295. Prevalence of antibodies to spotted fever group rickettsiae in humans and domestic animals in a Brazilian spotted fever-endemic area in the state of São Paulo, Brazil: serologic evidence for infection by Rickettsia rickettsii and another spotted fever group Rickettsia.
296. Rickettsia felis, Bartonella henselae, and B. clarridgeiae, New Zealand.
297. Acute tick-borne rickettsiosis caused by Rickettsia heilongjiangensis in Russian Far East.
298. Comparison of the effectiveness of five different antibiotic regimens on infection with Rickettsia typhi: therapeutic data from 87 cases.
299. Effect of antibody on the rickettsia-host cell interaction.
300. Detection of a rickettsia closely related to Rickettsia aeschlimannii, "Rickettsia heilongjiangensis," Rickettsia sp. strain RpA4, and Ehrlichia muris in ticks collected in Russia and Kazakhstan.
301. Transposon mutagenesis of the obligate intracellular pathogen Rickettsia prowazekii.
302. The nucleotide transporter of Caedibacter caryophilus exhibits an extended substrate spectrum compared to the analogous ATP/ADP translocase of Rickettsia prowazekii.
303. Rickettsia mongolotimonae infection in South Africa.
304. Fc-dependent polyclonal antibodies and antibodies to outer membrane proteins A and B, but not to lipopolysaccharide, protect SCID mice against fatal Rickettsia conorii infection.
305. Rickettsia parkeri: a newly recognized cause of spotted fever rickettsiosis in the United States.
306. Protein interaction mapping on a functional shotgun sequence of Rickettsia sibirica.
307. Aneruptive fever associated with antibodies to Rickettsia helvetica in Europe and Thailand.
308. The RickA protein of Rickettsia conorii activates the Arp2/3 complex.
309. Rickettsia species infecting Amblyomma cooperi ticks from an area in the state of São Paulo, Brazil, where Brazilian spotted fever is endemic.
310. Comparative genomics of Rickettsia prowazekii Madrid E and Breinl strains.
311. Evaluation of a PCR assay for quantitation of Rickettsia rickettsii and closely related spotted fever group rickettsiae.
312. Gene sequence-based criteria for identification of new rickettsia isolates and description of Rickettsia heilongjiangensis sp. nov.
313. Legionella-Rickettsia co-infection or serologic cross-reactions?
314. Aponomma hydrosauri, the reptile-associated tick reservoir of Rickettsia honei on Flinders Island, Australia.
315. Differential expression of genes in uninfected and rickettsia-infected Dermacentor variabilis ticks as assessed by differential-display PCR.
316. First isolation of Rickettsia conorii from human blood in Croatia.
317. Rickettsia felis in the United Kingdom.
318. Clinical and epidemiologic investigation of two Legionella-Rickettsia co-infections.
319. Israeli spotted fever Rickettsia in Sicilian Rhipicephalus sanguineus ticks.
320. Rickettsia aeschlimannii in Spain: molecular evidence in Hyalomma marginatum and five other tick species that feed on humans.
321. Molecular and functional analysis of the lepB gene, encoding a type I signal peptidase from Rickettsia rickettsii and Rickettsia typhi.
322. First isolation and identification of Rickettsia conorii from ticks collected in the region of Fokida in Central Greece.
323. Birth and death of orphan genes in Rickettsia.
324. Nuclear factor kappa B protects against host cell apoptosis during Rickettsia rickettsii infection by inhibiting activation of apical and effector caspases and maintaining mitochondrial integrity.
325. Identification of CD8 T-lymphocyte epitopes in OmpB of Rickettsia conorii.
326. S-adenosylmethionine transport in Rickettsia prowazekii.
327. Experimental infection of Penaeus vannamei by a rickettsia-like bacterium (RLB) originating from P. monodon.
328. Detection of antibodies against spotted fever group Rickettsia (SFGR), typhus group Rickettsia (TGR), and Coxiella burnetii in human febrile patients in the Philippines.
329. Detection of Ehrlichia spp., Anaplasma spp., Rickettsia spp., and other eubacteria in ticks from the Thai-Myanmar border and Vietnam.
330. Molecular detection of Bartonella quintana, B. koehlerae, B. henselae, B. clarridgeiae, Rickettsia felis, and Wolbachia pipientis in cat fleas, France.
331. Antigenic classification of Rickettsia felis by using monoclonal and polyclonal antibodies.
332. Molecular detection methods developed for a systemic rickettsia-like bacterium (RLB) in Penaeus monodon (Decapoda: Crustacea).
333. Effects of ectopically expressed neuronal Wiskott-Aldrich syndrome protein domains on Rickettsia rickettsii actin-based motility.
334. First isolation of Rickettsia slovaca from a patient, France.
335. Emended description of Rickettsia felis (Bouyer et al. 2001), a temperature-dependent cultured bacterium.
336. An experimental model of human body louse infection with Rickettsia prowazekii.
337. [Encephalitis caused by Rickettsia conorii without exanthema].
338. Transcriptional analysis of Rickettsia prowazekii invasion gene homolog (invA) during host cell infection.
339. Conserved response regulator CtrA and IHF binding sites in the alpha-proteobacteria Caulobacter crescentus and Rickettsia prowazekii chromosomal replication origins.
340. Detection of Rickettsia prowazekii in body lice and their feces by using monoclonal antibodies.
341. Rickettsia rickettsii: as virulent as ever.
342. Rickettsia monacensis sp. nov., a spotted fever group Rickettsia, from ticks (Ixodes ricinus) collected in a European city park.
343. Evaluation of antibiotic susceptibilities of three rickettsial species including Rickettsia felis by a quantitative PCR DNA assay.
344. Evidence of Rickettsia typhi and the potential for murine typhus in Jayapura, Irian Jaya, Indonesia.
345. Rickettsia aeschlimannii: A new pathogenic spotted fever group rickettsia, South Africa.
346. Proliferation and deterioration of Rickettsia palindromic elements.
347. Prevalence of Rickettsia conorii and Rickettsia typhi infections in the population of northern Greece.
348. Rickettsia rickettsii infection of cultured human endothelial cells induces heme oxygenase 1 expression.
349. The Rickettsia prowazekii invasion gene homolog (invA) encodes a Nudix hydrolase active on adenosine (5')-pentaphospho-(5')-adenosine.
350. First documented human Rickettsia aeschlimannii infection.
351. Geographic association of Rickettsia felis-infected opossums with human murine typhus, Texas.
352. Rickettsia-like organism associated with tremor disease and mortality of the Chinese mitten crab Eriocheir sinensis.
353. Protein coding palindromes are a unique but recurrent feature in Rickettsia.
354. Spotless rickettsiosis caused by Rickettsia slovaca and associated with Dermacentor ticks.
355. Atypical fulminant Rickettsia rickettsii infection (Brazilian spotted fever) presenting as septic shock and adult respiratory distress syndrome.
356. Rickettsia-macrophage interactions: host cell responses to Rickettsia akari and Rickettsia typhi.
357. Presence of Rickettsia helvetica in granulomatous tissue from patients with sarcoidosis.
358. Rickettsia felis in Ctenocephalides spp. fleas, Brazil.
359. Rickettsia felis infection acquired in Europe and documented by polymerase chain reaction.
360. Kinetics of antibody responses in Rickettsia africae and Rickettsia conorii infections.
361. Novel clade of Rickettsia spp. from leeches.
362. Evidence of rodent-associated Bartonella and Rickettsia infections among intravenous drug users from Central and East Harlem, New York City.
363. Presence of Rickettsia felis in the cat flea from southwestern Europe.
364. First documentation of Rickettsia conorii infection (strain Indian tick typhus) in a Traveler.
365. Short report: Thai tick typhus, Rickettsia honei, and a unique rickettsia detected in Ixodes granulatus (Ixodidae: Acari) from Thailand.
366. Mechanisms of evolution in Rickettsia conorii and R. prowazekii.
367. Rickettsiaceae, rickettsia-like endosymbionts, and the origin of mitochondria.
368. Phylogeny of Rickettsia spp. inferred by comparing sequences of 'gene D', which encodes an intracytoplasmic protein.
369. Myositis accompanying Rickettsia conorii infection.
370. Quantitative analyses of variations in the injury of endothelial cells elicited by 11 isolates of Rickettsia rickettsii.
371. Facial nerve palsy associated with Rickettsia conorii infection.
372. Rickettsia africae, a tick-borne pathogen in travelers to sub-Saharan Africa.
373. Rickettsia felis: molecular characterization of a new member of the spotted fever group.
374. Pseudogenes, junk DNA, and the dynamics of Rickettsia genomes.
375. Phylogenetic analysis of the rompB genes of Rickettsia felis and Rickettsia prowazekii European-human and North American flying-squirrel strains.
376. A flea-associated Rickettsia pathogenic for humans.
377. Conserved gene cluster at replication origins of the alpha-proteobacteria Caulobacter crescentus and Rickettsia prowazekii.
378. Isolation of a spotted fever group Rickettsia, Rickettsia peacockii, in a Rocky Mountain wood tick, Dermacentor andersoni, cell line.
379. Incidence of male-killing Rickettsia spp. (alpha-proteobacteria) in the ten-spot ladybird beetle Adalia decempunctata L. (Coleoptera: Coccinellidae).
380. Mechanisms of intracellular killing of Rickettsia conorii in infected human endothelial cells, hepatocytes, and macrophages.
381. Meningoencephalitis caused by Rickettsia typhi.
382. The rickettsial outer-membrane protein A and B genes of Rickettsia australis, the most divergent rickettsia of the spotted fever group.
383. Selfish DNA in protein-coding genes of Rickettsia.
384. Genetic classification of "Rickettsia heilongjiangii" and "Rickettsia hulinii," two Chinese spotted fever group rickettsiae.
385. Phylogenetic analysis of members of the genus Rickettsia using the gene encoding the outer-membrane protein rOmpB (ompB).
386. Infectivity, transmission and 16S rRNA sequencing of a rickettsia, Coxiella cheraxi sp. nov., from the freshwater crayfish Cherax quadricarinatus.
387. Phylogenetic analysis of the Chinese Rickettsia isolate BJ-90.
388. Evidence of Rickettsia helvetica infection in humans, eastern France.
389. Ultrastructure of Rickettsia rickettsii actin tails and localization of cytoskeletal proteins.
390. [Isolation of Rickettsia in vero cell culture].
391. Rickettsia mongolotimonae: a rare pathogen in France.
392. Transformation of Rickettsia prowazekii to erythromycin resistance encoded by the Escherichia coli ereB gene.
393. In vitro activities of telithromycin (HMR 3647) against Rickettsia rickettsii, Rickettsia conorii, Rickettsia africae, Rickettsia typhi, Rickettsia prowazekii, Coxiella burnetii, Bartonella henselae, Bartonella quintana, Bartonella bacilliformis, and Ehrlichia chaffeensis.
394. In vitro susceptibilities of Rickettsia and Bartonella spp. to 14-hydroxy-clarithromycin as determined by immunofluorescent antibody analysis of infected vero cell monolayers.
395. Israeli spotted fever rickettsia (Rickettsia conorii complex) associated with human disease in Portugal.
396. Involvement of protein kinase C in Rickettsia rickettsii-induced transcriptional activation of the host endothelial cell.
397. Fine structural characterisation of a Rickettsia-like organism in human platelets from patients with symptoms of ehrlichiosis.
398. Identification and molecular analysis of the gene encoding Rickettsia typhi hemolysin.
399. Isolation of Rickettsia prowazekii from blood by shell vial cell culture.
400. Family outbreak of Rickettsia conorii infection.
401. Characterization of mutations in the rpoB gene in naturally rifampin-resistant Rickettsia species.
402. Genome degradation is an ongoing process in Rickettsia.
403. Seroepidemiologic survey of Orientia tsutsugamushi, Rickettsia typhi, and TT118 spotted fever group rickettsiae in rubber estate workers in Malaysia.
404. Dynamics of actin-based movement by Rickettsia rickettsii in vero cells.
405. Molecular phylogeny and rearrangement of rRNA genes in Rickettsia species.
406. Serologic evidence of rickettsialpox (Rickettsia akari) infection among intravenous drug users in inner-city Baltimore, Maryland.
407. Tick-borne rickettiosis in Guadeloupe, the French West Indies: isolation of Rickettsia africae from Amblyomma variegatum ticks and serosurvey in humans, cattle, and goats.
408. Nucleotide sequence of the gene and features of the major outer membrane protein of a virulent Rickettsia prowazekii strain.
409. Green fluorescent protein as a marker in Rickettsia typhi transformation.
410. Rickettsia serosurvey in Kimberley, Western Australia.
411. Rickettsia prowazekii transports UMP and GMP, but not CMP, as building blocks for RNA synthesis.
412. A comparative study of the actin-based motilities of the pathogenic bacteria Listeria monocytogenes, Shigella flexneri and Rickettsia conorii.
413. Tick-transmitted infections in Transvaal: consider Rickettsia africae.
414. Dual Infection with Ehrlichia chaffeensis and a Spotted Fever Group Rickettsia: A Case Report¯Reply to Dr. Sulzer.
415. Lethal effect of Rickettsia rickettsii on its tick vector (Dermacentor andersoni).
416. Rickettsia helvetica in Ixodes ricinus ticks in Sweden.
417. Dual infection with Ehrlichia chaffeensis and a spotted fever group rickettsia: a case report.
418. Rickettsia slovaca sp. nov., a member of the spotted fever group rickettsiae.
419. Rickettsia honei sp. nov., the aetiological agent of Flinders Island spotted fever in Australia.
420. Rickettsia rickettsii infection of the EA.hy 926 endothelial cell line: morphological response to infection and evidence for oxidative injury.
421. Outbreak of Rickettsia africae infections in participants of an adventure race in South Africa.
422. Detection of point mutations in rpoB gene of rifampin-resistant Rickettsia typhi.
423. Laboratory evaluation of a dot-blot enzyme immunoassay for serologic confirmation of illness due to Rickettsia conorii.
424. Dual infection with Ehrlichia chaffeensis and a spotted fever group rickettsia: a case report.
425. Molecular characterization of a novel Rickettsia species from Ixodes scapularis in Texas.
426. Reverse transcriptase PCR amplification of Rickettsia typhi from infected mammalian cells and insect vectors.
427. Genotypic identification of an undescribed spotted fever group rickettsia in Ixodes ricinus from southwestern Spain.
428. Electron-microscopic examination of Rickettsia tsutsugamushi-infected human liver.
429. NF-kappa B-dependent inhibition of apoptosis is essential for host cellsurvival during Rickettsia rickettsii infection.
430. Tick-borne infection caused by Rickettsia africae in the West Indies.
431. Effects of the antioxidant alpha-lipoic acid on human umbilical vein endothelial cells infected with Rickettsia rickettsii.
432. Proteasome-independent activation of nuclear factor kappaB in cytoplasmic extracts from human endothelial cells by Rickettsia rickettsii.
433. Transformation of Rickettsia prowazekii to rifampin resistance.
434. Occurrence of two plastidic ATP/ADP transporters in Arabidopsis thaliana L.--molecular characterisation and comparative structural analysis of similar ATP/ADP translocators from plastids and Rickettsia prowazekii.
435. Superoxide dismutase-dependent, catalase-sensitive peroxides in human endothelial cells infected by Rickettsia rickettsii.
436. Transcriptional regulation of endothelial cell tissue factor expression during Rickettsia rickettsii infection: involvement of the transcription factor NF-kappaB.
437. Structural properties of lipopolysaccharides from Rickettsia typhi and Rickettsia prowazekii and their chemical similarity to the lipopolysaccharide from Proteus vulgaris OX19 used in the Weil-Felix test.
438. Nitric oxide-mediated inhibition of the ability of Rickettsia prowazekii to infect mouse fibroblasts and mouse macrophagelike cells.
439. Distribution of immunogenic epitopes on the two major immunodominant proteins (rOmpA and rOmpB) of Rickettsia conorii among the other rickettsiae of the spotted fever group.
440. Increased and controlled expression of the Rickettsia prowazekii ATP/ADP translocase and analysis of cysteine-less mutant translocase.
441. Rickettsia rickettsii growth and temperature-inducible protein expression in embryonic tick cell lines.
442. Transcriptional characterization of the Rickettsia prowazekii major macromolecular synthesis operon.
443. Genomic rearrangements during evolution of the obligate intracellular parasite Rickettsia prowazekii as inferred from an analysis of 52015 bp nucleotide sequence.
444. Rickettsia rickettsii infection of cultured human endothelial cells induces NF-kappaB activation.
445. Production of monoclonal antibodies against Rickettsia massiliae and their use in antigenic and epidemiological studies.
446. Bacteriostatic and bactericidal activity of levofloxacin against Rickettsia rickettsii, Rickettsia conorii, 'Israeli spotted fever group rickettsia' and Coxiella burnetii.
447. Rickettsia conorii infection enhances vascular cell adhesion molecule-1- and intercellular adhesion molecule-1-dependent mononuclear cell adherence to endothelial cells.
448. The rickettsia: an emerging group of pathogens in fish.
449. Induction of homologous immune response to Rickettsia tsutsugamushi Boryong with a partial 56-kilodalton recombinant antigen fused with the maltose-binding protein MBP-Bor56.
450. Rickettsia aeschlimannii sp. nov., a new spotted fever group rickettsia associated with Hyalomma marginatum ticks.
451. Rickettsia peacockii sp. nov., a new species infecting wood ticks, Dermacentor andersoni, in western Montana.
452. In vitro susceptibilities of Bartonella henselae, B. quintana, B. elizabethae, Rickettsia rickettsii, R. conorii, R. akari, and R. prowazekii to macrolide antibiotics as determined by immunofluorescent-antibody analysis of infected Vero cell monolayers.
453. Prednisolone at anti-inflammatory or immunosuppressive dosages in conjunction with doxycycline does not potentiate the severity of Rickettsia rickettsii infection in dogs.
454. Protein characterization of Australian spotted fever group rickettsiae and monoclonal antibody typing of Rickettsia honei.
455. Characterization of a spotted fever group Rickettsia from Ixodes ricinus ticks in Sweden.
456. Characterization of and application of monoclonal antibodies against Rickettsia africae, a newly recognized species of spotted fever group rickettsia.
457. Diagnosis of Mediterranean spotted fever by cultivation of Rickettsia conorii from blood and skin samples using the centrifugation-shell vial technique and by detection of R. conorii in circulating endothelial cells: a 6-year follow-up.
458. A chimeric disposition of the elongation factor genes in Rickettsia prowazekii.
459. Transcriptional regulation in the obligate intracytoplasmic bacterium Rickettsia prowazekii.
460. Apoptosis of lymphocytes in mice induced by infection with Rickettsia tsutsugamushi.
461. Improved plaque assays for Rickettsia prowazekii in Vero 76 cells.
462. Interleukin-1 alpha production during Rickettsia rickettsii infection of cultured endothelial cells: potential role in autocrine cell stimulation.
463. Rickettsia prowazekii sigma factor sigma 73 can be overexpressed in Escherichia coli and promotes RNA polymerase binding and transcription.
464. Rickettsia africae sp. nov., the etiological agent of African tick bite fever.
465. Identification and characterization of epitopes on the 120-kilodalton surface protein antigen of Rickettsia prowazekii with synthetic peptides.
466. Rickettsia felis: a new species of pathogenic rickettsia isolated from cat fleas.
467. Transcriptional analysis of the 16s rRNA gene in Rickettsia prowazekii.
468. Isolation of Rickettsia akari from a patient in a region where Mediterranean spotted fever is endemic.
469. IL-6 and IL-8 production from cultured human endothelial cells stimulated by infection with Rickettsia conorii via a cell-associated IL-1 alpha-dependent pathway.
470. In vitro effectiveness of azithromycin against doxycycline-resistant and -susceptible strains of Rickettsia tsutsugamushi, etiologic agent of scrub typhus.
471. Genomic study of Rickettsia akari by pulsed-field gel electrophoresis.
472. Instability of Rickettsia prowazekii RNA polymerase-promoter complexes.
473. Genomic and proteinic characterization of strain S, a rickettsia isolated from Rhipicephalus sanguineus ticks in Armenia.
474. Hemocytic rickettsia-like organisms in ticks: serologic reactivity with antisera to Ehrlichiae and detection of DNA of agent of human granulocytic ehrlichiosis by PCR.
475. pH and calcium dependence of hemolysis due to Rickettsia prowazekii: comparison with phospholipase activity.
476. Classification of Rickettsia tsutsugamushi in a new genus, Orientia gen. nov., as Orientia tsutsugamushi comb. nov.
477. Unusual organization of the rRNA genes in Rickettsia prowazekii.
478. Comparative evaluation of a commercial enzyme immunoassay for the detection of human antibody to Rickettsia typhi.
479. Detection of Rickettsia japonica in Haemaphysalis longicornis ticks by restriction fragment length polymorphism of PCR product.
480. Specific amplification of Rickettsia japonica DNA from clinical specimens by PCR.
481. Rickettsia conorii entry into Vero cells.
482. Transmission of Rickettsia tsutsugamushi strains among humans, wild rodents, and trombiculid mites in an area of Japan in which tsutsugamushi disease is newly endemic.
483. Differential activity of Rickettsia rickettsii opmA and ompB promoter regions in a heterologous reporter gene system.
484. Ancestral divergence of Rickettsia bellii from the spotted fever and typhus groups of Rickettsia and antiquity of the genus Rickettsia.
485. Cytokine sensitivity and methylation of lysine in Rickettsia prowazekii EVir and interferon-resistant R. prowazekii strains.
486. Infection of human endothelial cells by Rickettsia rickettsii causes a significant reduction in the levels of key enzymes involved in protection against oxidative injury.
487. Detection of Rickettsia tsutsugamushi in Experimentally infected mice by PCR.
488. Relationship of tumor necrosis factor alpha, the nitric oxide synthase pathway, and lipopolysaccharide to the killing of gamma interferon-treated macrophage-like RAW264.7 cells by Rickettsia prowazekii.
489. Depletion of gamma interferon and tumor necrosis factor alpha in mice with Rickettsia conorii-infected endothelium: impairment of rickettsicidal nitric oxide production resulting in fatal, overwhelming rickettsial disease.
490. Analysis of hydrolytic products from choline-labeled host cell phospholipids during growth of Rickettsia prowazekii.
491. Rickettsia rickettsii infection of cultured human endothelial cells induces tissue factor expression.
492. Isolation and characterization of the Rickettsia prowazekii recA gene.
493. Cloning, sequencing, and expression of the gene coding for an antigenic 120-kilodalton protein of Rickettsia conorii.
494. Analysis of the peptidoglycan of Rickettsia prowazekii.
495. Pathologic study of mice infected with Rickettsia tsutsugamushi R19 strain.
496. Analysis of antigenic characteristics of Rickettsia tsutsugamushi Boryong strain and antigenic heterogeneity of Rickettsia tsutsugamushi using monoclonal antibodies.
497. Rickettsia massiliae sp. nov., a new spotted fever group Rickettsia.
498. Epitope mapping of the Sta58 major outer membrane protein of Rickettsia tsutsugamushi.
499. Role of the nitric oxide synthase pathway in inhibition of growth of interferon-sensitive and interferon-resistant Rickettsia prowazekii strains in L929 cells treated with tumor necrosis factor alpha and gamma interferon.
500. Demonstration of Rickettsia conorii-induced endothelial injury in vivo by measuring circulating endothelial cells, thrombomodulin, and von Willebrand factor in patients with Mediterranean spotted fever.
501. Identification of tlc and gltA mRNAs and determination of in situ RNA half-life in Rickettsia prowazekii.
502. Effect of gamma interferon on phospholipid hydrolysis and fatty acid incorporation in L929 cells infected with Rickettsia prowazekii.
503. Confirmation that Rickettsia helvetica sp. nov. is a distinct species of the spotted fever group of rickettsiae.
504. Copy number of the 16S rRNA gene in Rickettsia prowazekii.
505. Serotype-specific amplification of Rickettsia tsutsugamushi DNA by nested polymerase chain reaction.
506. Synthesis of DNA, rRNA, and protein by Rickettsia prowazekii growing in untreated or gamma interferon-treated mouse L929 cells.
507. Rickettsia australis infection: a murine model of a highly invasive vasculopathic rickettsiosis.
508. Directional actin polymerization associated with spotted fever group Rickettsia infection of Vero cells.
509. Murine T-cell response to native and recombinant protein antigens of Rickettsia tsutsugamushi.
510. E-selectin-dependent neutrophil adhesion to Rickettsia rickettsii-infected endothelial cells.
511. High-level expression of a 56-kilodalton protein gene (bor56) of Rickettsia tsutsugamushi Boryong and its application to enzyme-linked immunosorbent assays.
512. Characterization of the DNA-melting function of the Rickettsia prowazekii RNA polymerase.
513. Characterization of the Rickettsia prowazekii pepA gene encoding leucine aminopeptidase.
514. Demonstration and partial characterization of antigens of Rickettsia rhipicephali that induce cross-reactive cellular and humoral immune responses to Rickettsia rickettsii.
515. Rickettsia rickettsii induces superoxide radical and superoxide dismutase in human endothelial cells.
516. Epidemiology of Tsutsugamushi disease in relation to the serotypes of Rickettsia tsutsugamushi isolated from patients, field mice, and unfed chiggers on the eastern slope of Mount Fuji, Shizuoka Prefecture, Japan.
517. Diagnosis of typhus infection with Rickettsia tsutsugamushi by polymerase chain reaction.
518. Susceptibility of Rickettsia conorii, R. rickettsii, and Coxiella burnetii to PD 127,391, PD 131,628, pefloxacin, ofloxacin, and ciprofloxacin.
519. Determination of genome sizes of Rickettsia spp. within the spotted fever group, using pulsed-field gel electrophoresis.
520. Human and tick spotted fever group Rickettsia isolates from Israel: a genotypic analysis.
521. von Willebrand factor release and thrombomodulin and tissue factor expression in Rickettsia conorii-infected endothelial cells.
522. Growth characteristics and proteins of plaque-purified strains of Rickettsia tsutsugamushi.
523. Nucleotide sequence of the Rickettsia prowazekii greA homolog.
524. Penetration of host cells by Rickettsia rickettsii appears to be mediated by a phospholipase of rickettsial origin.
525. Diversity of immunodominant 56-kDa type-specific antigen (TSA) of Rickettsia tsutsugamushi. Sequence and comparative analyses of the genes encoding TSA homologues from four antigenic variants.
526. Isolation of an agent of the spotted fever group rickettsia from tick eggs in Madrid, Spain.
527. Rickettsia japonica sp. nov., the etiological agent of spotted fever group rickettsiosis in Japan.
528. Analysis of Leptospira spp., Leptonema illini, and Rickettsia rickettsii for the 39-kilodalton antigen (P39) of Borrelia burgdorferi.
529. Genetic characterization and transovarial transmission of a typhus-like rickettsia found in cat fleas.
530. Heparin protects human endothelial cells infected by Rickettsia rickettsii.
531. Rickettsia rickettsii infection of cultured endothelial cells induces release of large von Willebrand factor multimers from Weibel-Palade bodies.
532. Specific amplification of Rickettsia tsutsugamushi DNA from clinical specimens by polymerase chain reaction.
533. Susceptibility of Rickettsia tsutsugamushi Gilliam to gamma interferon in cultured mouse cells.
534. Immunoblot studies to analyze antibody to the Rickettsia typhi group antigen in sera from patients with acute febrile cerebrovasculitis.
535. Comparative susceptibility to mouse interferons of Rickettsia tsutsugamushi strains with different virulence in mice and of Rickettsia rickettsii.
536. Deamination of deoxycytidine nucleotides by the obligate intracytoplasmic bacterium Rickettsia prowazekii.
537. Identification and initial topological analysis of the Rickettsia prowazekii ATP/ADP translocase.
538. Comparison of properties of virulent, avirulent, and interferon-resistant Rickettsia prowazekii strains.
539. DNA base composition of Rickettsia tsutsugamushi determined by reversed-phase high-performance liquid chromatography.
540. Acquisition of thymidylate by the obligate intracytoplasmic bacterium Rickettsia prowazekii.
541. Use of monoclonal antibodies against Rickettsia tsutsugamushi Kawasaki for serodiagnosis by enzyme-linked immunosorbent assay.
542. Reduction of ribonucleotides by the obligate intracytoplasmic bacterium Rickettsia prowazekii.
543. In vitro susceptibilities of Coxiella burnetii, Rickettsia rickettsii, and Rickettsia conorii to the fluoroquinolone sparfloxacin.
544. Nucleotide sequence of the P34 gene from Rickettsia rickettsii.
545. Characterization of the gene encoding the protective paracrystalline-surface-layer protein of Rickettsia prowazekii: presence of a truncated identical homolog in Rickettsia typhi.
546. Serological typing of spotted fever group Rickettsia isolates from Zimbabwe.
547. Development of a rickettsia isolated from an aborted bovine fetus.
548. Acquisition of polyamines by the obligate intracytoplasmic bacterium Rickettsia prowazekii.
549. Purification and partial characterization of the DNA-dependent RNA polymerase from Rickettsia prowazekii.
550. Selection of alpha/beta interferon- and gamma interferon-resistant rickettsiae by passage of Rickettsia prowazekii in L929 cells.
551. Characterization of a new antigenic type, Kuroki, of Rickettsia tsutsugamushi isolated from a patient in Japan.
552. A protective protein antigen of Rickettsia rickettsii has tandemly repeated, near-identical sequences.
553. Secretion of tissue-type plasminogen activator and plasminogen activator inhibitor by Rickettsia conorii- and Rickettsia rickettsii-infected cultured endothelial cells.
554. The 56-kilodalton major protein antigen of Rickettsia tsutsugamushi: molecular cloning and sequence analysis of the sta56 gene and precise identification of a strain-specific epitope.
555. Inhibition of Rickettsia conorii growth by recombinant tumor necrosis factor alpha: enhancement of inhibition by gamma interferon.
556. Species-specific monoclonal antibodies to Rickettsia japonica, a newly identified spotted fever group rickettsia.
557. Molecular cloning and sequence analysis of the Sta58 major antigen gene of Rickettsia tsutsugamushi: sequence homology and antigenic comparison of Sta58 to the 60-kilodalton family of stress proteins.
558. Isolation of a previously undescribed rickettsia from an aborted bovine fetus.
559. Serological classification by monoclonal antibodies of Rickettsia tsutsugamushi isolated in Korea.
560. A recombinant Rickettsia conorii vaccine protects guinea pigs from experimental boutonneuse fever and Rocky Mountain spotted fever.
561. In vitro susceptibilities of Rickettsia rickettsii and Rickettsia conorii to roxithromycin and pristinamycin.
562. Detection of Rickettsia rickettsii DNA in clinical specimens by using polymerase chain reaction technology.
563. Probe directed at a segment of Rickettsia rickettsii rRNA amplified with polymerase chain reaction.
564. Antigenic and genetic relatedness of eight Rickettsia tsutsugamushi antigens.
565. Roles of the Fc receptor and respiratory burst in killing of Rickettsia prowazekii by macrophagelike cell lines.
566. The morphological features of Aegyptianella bacterifera: an intraerythrocytic rickettsia of frogs from Corsica.
567. Isolation of Rickettsia prowazekii with reduced sensitivity to gamma interferon.
568. Characterization of factors determining Rickettsia tsutsugamushi pathogenicity for mice.
569. Purification and partial characterization of a type-specific antigen of Rickettsia tsutsugamushi.
570. A serological survey of Ehrlichia canis, Ehrlichia equi, Rickettsia rickettsii, and Borrelia burgdorferi in dogs in Oklahoma.
571. Heterogeneity of CD4-positive human T-cell clones which recognize the surface protein antigen of Rickettsia typhi.
572. Production of antibody to and cellular localization of erythrocyte-sensitizing substance from Rickettsia rickettsii.
573. Permeability of Rickettsia prowazekii to NAD.
574. Evaluation of a latex agglutination test for Rickettsia conorii antibodies in seropositive patients.
575. Phospholipase A activity associated with the growth of Rickettsia prowazekii in L929 cells.
576. Proline incorporation into protein by Rickettsia prowazekii during growth in Chinese hamster ovary (CHO-K1) cells.
577. Addition of monoclonal antibodies specific for Rickettsia akari to the rickettsial diagnostic panel.
578. Expression of the gene encoding the 17-kilodalton antigen from Rickettsia rickettsii: transcription and posttranslational modification.
579. Newly isolated strains of Rickettsia tsutsugamushi in Japan identified by using monoclonal antibodies to Karp, Gilliam, and Kato strains.
580. Recognition of typhus group rickettsia-infected targets by human lymphokine-activated killer cells.
581. In vitro evaluation of josamycin, spiramycin, and erythromycin against Rickettsia rickettsii and R. conorii.
582. Establishment and characterization of a T-cell line specific for Rickettsia tsutsugamushi.
583. Deficiency of peptidoglycan and lipopolysaccharide components in Rickettsia tsutsugamushi.
584. Protein and RNA synthesis by isolated Rickettsia prowazekii.
585. Nucleotide sequence of the Rickettsia prowazekii citrate synthase gene.
586. Sequence analysis of the 17-kilodalton-antigen gene from Rickettsia rickettsii.
587. Gamma interferon as a crucial host defense against Rickettsia conorii in vivo.
588. Molecular cloning and expression of Rickettsia tsutsugamushi genes for two major protein antigens in Escherichia coli.
589. Isolation of a spotted fever group rickettsia from a patient and related ecologic investigations in Xinjiang Uygur Autonomous Region of China.
590. Neutralizing activity of monoclonal antibodies to heat-sensitive and heat-resistant epitopes of Rickettsia rickettsii surface proteins.
591. Analysis of T-cell-dependent and -independent antigens of Rickettsia conorii with monoclonal antibodies.
592. Rickettsia prowazekii requires host cell serine and glycine for growth.
593. Reactivity of monoclonal antibodies to Rickettsia rickettsii with spotted fever and typhus group rickettsiae.
594. Antigens of virulent and attenuated Rickettsia tsutsugamushi.
595. Acquisition of glucose by Rickettsia prowazekii through the nucleotide intermediate uridine 5'-diphosphoglucose.
596. Gamma-interferon-induced inhibition of the growth of Rickettsia prowazekii in fibroblasts cannot be explained by the degradation of tryptophan or other amino acids.
597. Production and characterization of cloned T-cell hybridomas that are responsive to Rickettsia conorii antigens.
598. Humoral immune response to Rocky Mountain spotted fever in experimentally infected guinea pigs: immunoprecipitation of lactoperoxidase 125I-labeled proteins and detection of soluble antigens of Rickettsia rickettsii.
599. Cross-reactive lymphocyte responses and protective immunity against other spotted fever group rickettsiae in mice immunized with Rickettsia conorii.
600. Characterization of polypeptides in Rickettsia tsutsugamushi: effect of preparative conditions on migration of polypeptides in polyacrylamide gel electrophoresis.