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  1. 661
    “…A human pathogen, C. Rickettsia xinyangensis and A. platys were detected in 100% (3/3) and 33.3% (2/6) laboratory-hatched larval pools from infected females respectively. …”
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    Pathogenic Rickettsia, Anaplasma, and Ehrlichia in Rhipicephalus microplus ticks collected from cattle and laboratory hatched tick larvae
  2. 662
    por Cowdry, E. V.
    Publicado 1926
    “…The Rickettsiæ of heartwater are more definitely restricted to the vascular endothelial cells of infected animals than are those of typhus or Rocky Mountain spotted fever. …”
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    STUDIES ON THE ETIOLOGY OF HEARTWATER : III. THE MULTIPLICATION OF RICKETTSIA RUMINANTIUM WITHIN THE ENDOTHELIAL CELLS OF INFECTED ANIMALS AND THEIR DISCHARGE INTO THE CIRCULATION.
  3. 663
    por Zinsser, Hans, Castaneda, M. Ruiz
    Publicado 1933
    “…The experiments recorded above demonstrate that the systematic treatment of a horse with formalin- and phenol-killed Rickettsiae obtained from the Mexican virus by our X-ray rat technique induces the development of properties in the horse's serum which may be described as follows: 1. …”
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    STUDIES ON TYPHUS FEVER : XI. A REPORT ON THE PROPERTIES OF THE SERUM OF A HORSE IMMUNIZED WITH KILLED FORMALINIZED RICKETTSIA
  4. 664
    por Castaneda, M. Ruiz
    Publicado 1934
    “…A soluble specific substance was isolated from Mexican typhus Rickettsia which gave, with Proteus X-19 antiserum and typhus human serum, the same precipitation reactions as the polysaccharides extracted from B. proteus OX-19. …”
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    THE ANTIGENIC RELATIONSHIP BETWEEN PROTEUS X-19 AND TYPHUS RICKETTSIA : II. A STUDY OF THE COMMON ANTIGENIC FACTOR
  5. 665
    “…Rickettsia prowazekii, a parasitic Gram-negative bacterium, is in the second-highest biodefense category of pathogens of the National Institute of Allergy and Infectious Diseases, but only a handful of structures have been deposited in the PDB for this bacterium; to date, all of these have been solved by the SSGCID. …”
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    Structure of 3-ketoacyl-(acyl-carrier-protein) reductase from Rickettsia prowazekii at 2.25 Å resolution
  6. 666
    “…BACKGROUND: Rickettsia typhi (R. mooseri) is the causative agent of murine typhus. …”
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    Dose-response model of murine typhus (Rickettsia typhi): time post inoculation and host age dependency analysis
  7. 667
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    Erratum to: Life cycle, growth characteristics and host cell response of Rickettsia helvetica in a Vero cell line
  8. 668
    “…The distribution of Rickettsia parkeri in South America has been associated with Amblyomma triste ticks. …”
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    Comparative Evaluation of Infected and Noninfected Amblyomma triste Ticks with Rickettsia parkeri, the Agent of an Emerging Rickettsiosis in the New World
  9. 669
    “…Murine typhus is a flea-borne disease of worldwide distribution caused by Rickettsia typhi. Although treatment with tetracycline antibiotics is effective, treatment is often misguided or delayed due to diagnostic difficulties. …”
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    Loop-Mediated Isothermal Amplification for Rickettsia typhi (the Causal Agent of Murine Typhus): Problems with Diagnosis at the Limit of Detection
  10. 670
    “…Sera were screened for Rickettsia rickettsii Abs by indirect immunofluorescence antibody assay (IFA), and those with positive results were further examined for Abs against R. rickettsii, R. typhi, R. felis, R. conorii, and R. japonica using micro-immunofluorescence (MIF) tests. …”
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    Human Spotted Fever Group Rickettsioses Are Underappreciated in Southern Taiwan, Particularly for the Species Closely-Related to Rickettsia felis
  11. 671
    “…Members of the species Rickettsia are obligate intracellular, gram-negative, arthropod-borne pathogens of humans and other mammals. …”
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    RC1339/APRc from Rickettsia conorii Is a Novel Aspartic Protease with Properties of Retropepsin-Like Enzymes
  12. 672
    “…DNA extracts were tested by polymerase chain reaction (PCR) assays targeting universal 16S rRNA, as well as screened for the presence of Rickettsia spp. (gltA, htrA, ompB, sca4 and ompA genes) and Bartonella spp. …”
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    ‘Candidatus Rickettsia asemboensis’ and Wolbachia spp. in Ctenocephalides felis and Pulex irritans fleas removed from dogs in Ecuador
  13. 673
    “…Rickettsia typhi is the causal agent of murine typhus; a worldwide zoonotic and vector-borne infectious disease, commonly associated with the presence of domestic and wild rodents. …”
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    Rickettsia typhi IN RODENTS AND R. felis IN FLEAS IN YUCATÁN AS A POSSIBLE CAUSAL AGENT OF UNDEFINED FEBRILE CASES
  14. 674
    “…Rickettsia parkeri is an emerging eschar-causing human pathogen in the spotted fever group of Rickettsia and is transmitted by the Gulf coast tick, Amblyomma maculatum. …”
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    Amblyomma maculatum Feeding Augments Rickettsia parkeri Infection in a Rhesus Macaque Model: A Pilot Study
  15. 675
    “…None of the ticks, belonging to the species Rh. bursa and H. aegyptium, were infected. Four SFG rickettsiae were identified: Rickettsia massiliae, Rickettsia africae, Candidatus Rickettsia barbariae and Candidatus Rickettsia goldwasserii. …”
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    Molecular Detection and Identification of Spotted Fever Group Rickettsiae in Ticks Collected from the West Bank, Palestinian Territories
  16. 676
    “…METHODS: Using real-time PCR, standard PCR and sequencing, the presence of Bartonella spp., Rickettsia spp., Borrelia spp. and Coxiella burnetii was evaluated in 268/1626 ticks, 136 fleas, 11 Nycteribiidae flies and 16 spleens of domestic and/or wild animals from the El Tarf and Souk Ahras areas. …”
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    Detection of Bartonella tamiae, Coxiella burnetii and rickettsiae in arthropods and tissues from wild and domestic animals in northeastern Algeria
  17. 677
    “…Results suggest that Rickettsia may be more widespread than the surveillance of BSF has detected. …”
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    High Seroprevalence for Rickettsia rickettsii in Equines Suggests Risk of Human Infection in Silent Areas for the Brazilian Spotted Fever
  18. 678
    “…We report here the draft genome sequence of a rickettsia-like organism, isolated from a New Zealand Chinook salmon farm experiencing high mortality. …”
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    Draft Genome Sequence of a New Zealand Rickettsia-Like Organism Isolated from Farmed Chinook Salmon
  19. 679
    “…Rickettsiae are obligate intracellular pathogens that induce their uptake into nonphagocytic cells; however, the events instigating this process are incompletely understood. …”
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    RalF-Mediated Activation of Arf6 Controls Rickettsia typhi Invasion by Co-Opting Phosphoinositol Metabolism
  20. 680
    “…BACKGROUND: Infections with tick-borne rickettsiae can cause diseases well known in humans but still not so well characterized in dogs. …”
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    Serological and molecular detection of spotted fever group Rickettsia in a group of pet dogs from Luanda, Angola
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