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  1. 541
    “…Surface proteins of the obligate intracellular bacterium Rickettsia typhi, the agent of murine or endemic typhus fever, comprise an important interface for host-pathogen interactions including adherence, invasion and survival in the host cytoplasm. …”
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    Surface Proteome Analysis and Characterization of Surface Cell Antigen (Sca) or Autotransporter Family of Rickettsia typhi
  2. 542
    “…D. reticulatus primary cultures and both infected tick cell lines were positive for all 3 Rickettsia genes. Sequencing of PCR products revealed 99–100% identity with published Rickettsia raoultii sequences. …”
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    Tick cell culture isolation and growth of Rickettsia raoultii from Dutch Dermacentor reticulatus ticks
  3. 543
    “…Rickettsia japonica is an obligate intracellular alphaproteobacteria that causes tick-borne Japanese spotted fever, which has spread throughout East Asia. …”
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    Complete Genomic DNA Sequence of the East Asian Spotted Fever Disease Agent Rickettsia japonica
  4. 544
    “…Here, we compared the exposure to Rickettsia helvetica and Rickettsia monacensis with that to Lyme borreliosis spirochetes. …”
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    Co-infection of Borrelia burgdorferi sensu lato and Rickettsia species in ticks and in an erythema migrans patient
  5. 545
    “…BACKGROUND: Rickettsia amblyommii is a bacterium in the spotted fever group of organisms associated with the lone star tick (LST), Amblyomma americanum. …”
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    Cultivation of Rickettsia amblyommii in tick cells, prevalence in Florida lone star ticks (Amblyomma americanum)
  6. 546
    “…We show that defensin-2 plays a role in reducing burden after acquisition of Rickettsia montanensis through capillary feeding. Moreover, defensin-2 is shown to associate with R. montanensis in vitro and in vivo, causing cytoplasmic leakiness.…”
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    Defending the fort: a role for defensin-2 in limiting Rickettsia montanensis infection of Dermacentor variabilis
  7. 547
    “…Although Rickettsia appears to be common in ticks, most Rickettsia-tick relationships remain generally uncharacterized. …”
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    Ixodes pacificus Ticks Maintain Embryogenesis and Egg Hatching after Antibiotic Treatment of Rickettsia Endosymbiont
  8. 548
    “…Rickettsia felis, the agent of flea-borne spotted fever, has a cosmopolitan distribution. …”
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    A Molecular Survey of Rickettsia felis in Fleas from Cats and Dogs in Sicily (Southern Italy)
  9. 549
    “…The first duplex amplified all Rickettsia species (PanRick) and Rickettsia typhi DNA (Rtt). …”
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    Comparison of Two Quantitative Real Time PCR Assays for Rickettsia Detection in Patients from Tunisia
  10. 550
    “…The Rickettsia bacteria include the aetiological agents for the human spotted fever (SF) disease. …”
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    Rickettsia amblyommii infecting Amblyomma sculptum in endemic spotted fever area from southeastern Brazil
  11. 551
    “…BACKGROUND: Rickettsia spp. are obligate intracellular bacteria and well known as transmitted by arthropods. …”
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    Novel spotted fever group rickettsiae in Haemaphysalis qinghaiensis ticks from Gansu, Northwest China
  12. 552
    “…Here, we investigated the presence and diversity of Bartonella and Rickettsia spp. in bats and their ectoparasites (Diptera and Siphonaptera) collected across South Africa and Swaziland. …”
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    Diversity of Bartonella and Rickettsia spp. in Bats and Their Blood-Feeding Ectoparasites from South Africa and Swaziland
  13. 553
    “…Nine samples were positive (16.98 %, 9/53) for Rickettsia spp. The phylogenetic tree revealed that the rickettsial agents found in V. alakurt cluster with Candidatus Rickettsia barbariae. …”
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    First detection of Candidatus Rickettsia barbariae in the flea Vermipsylla alakurt from north-western China
  14. 554
    “…We report that, although we discovered Rickettsia in all tick samples, it was not Rickettsia honei. …”
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    Rickettsia Detected in the Reptile Tick Bothriocroton hydrosauri from the Lizard Tiliqua rugosa in South Australia
  15. 555
    “…From the same lice, we also identified an abundant bacterium belonging to the genus Rickettsia that is closely related to Rickettsia ricketsii, a human pathogen vectored by ticks. …”
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    Two Bacterial Genera, Sodalis and Rickettsia, Associated with the Seal Louse Proechinophthirus fluctus (Phthiraptera: Anoplura)
  16. 556
    “…Rickettsia slovaca is a tick-borne human pathogen that is associated with scalp eschars and neck lymphadenopathy known as tick-borne lymphadenopathy (TIBOLA) or Dermacentor-borne necrosis erythema and lymphadenopathy (DEBONEL). …”
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    Assessment of Domestic Goats as Models for Experimental and Natural Infection with the North American Isolate of Rickettsia slovaca
  17. 557
    “…During 2013–2015 in central China, co-infection with spotted fever group rickettsiae was identified in 77 of 823 patients infected with severe fever with thrombocytopenia syndrome virus. …”
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    Severe Fever with Thrombocytopenia Syndrome Complicated by Co-infection with Spotted Fever Group Rickettsiae, China
  18. 558
    Publicado 1947
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    Medical Research Council. Special Report Series No. 256. 'The Cultivation of Viruses and Rickettsiæ in the Chick Embryo'
  19. 559
    “…Tick-borne rickettsiae are considered to be emerging, but data about their presence in western Europe are scarce. …”
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    First identification of Rickettsia helvetica in questing ticks from a French Northern Brittany Forest
  20. 560
    “…BACKGROUND: Natural foci of tick-borne spotted fever group (SFG) rickettsiae of public health concern have been found in Slovakia, but the role of rodents in their circulation is unclear. …”
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    Molecular evidence of Rickettsia spp. in ixodid ticks and rodents in suburban, natural and rural habitats in Slovakia
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