Mostrando 81 - 100 Resultados de 1,999 Para Buscar '"Rickettsia"', tiempo de consulta: 0.12s Limitar resultados
  1. 81
    “…Nucleic acid preparations of serum from 6 (3.7%) of 163 patients were positive for rickettsial DNA as determined by a genus-specific quantitative real-time PCR and were subsequently confirmed by molecular sequencing to be positive for Rickettsia felis. The 6 febrile patients’ symptoms included headache; nausea; and muscle, back, and joint pain. …”
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  2. 82
    “…We detected Rickettsia felis DNA in Ctenocephalides felis and Bartonella quintana DNA in 3 Pulex irritans fleas taken from a pet Cercopithecus cephus monkey in Gabon, sub-Saharan Africa. …”
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  3. 83
    “…This study is the first confirmation of Rickettsia felis in Australia. The organism was identified from 4 species of fleas obtained from dogs and cats in Western Australia, by using polymerase chain reaction amplification and DNA sequencing of the citrate synthase and outer membrane protein A genes.…”
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  4. 84
    “…METHODOLOGY/PRINCIPAL FINDINGS: Quantitative and traditional PCR assays specific for Rickettsia genes detected rickettsial DNA in 13 of 848 (1.5%) Anopheles mosquitoes collected from Côte d’Ivoire, Gabon, and Senegal. …”
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  5. 85
  6. 86
    “…Fifteen years after the initial detection of Rickettsia slovaca in ticks in Portugal, 3 autochthonous cases of R. slovaca infection were diagnosed in humans. …”
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  7. 87
    “…We used molecular methods to identify Rickettsia raoultii infections in 2 persons in China. …”
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  8. 88
    “…BACKGROUND: Rickettsia felis is a recently described flea-borne spotted fever group Rickettsia that is an emerging human pathogen. …”
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  9. 89
    “…BACKGROUND: Rickettsia species are obligate intracellular Gram-negative pathogenic bacteria and the etiologic agents of diseases such as Rocky Mountain spotted fever (RMSF), Mediterranean spotted fever, epidemic typhus, and murine typhus. …”
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  10. 90
    “…In the United States, all previously reported cases of Rickettsia parkeri rickettsiosis have been linked to transmission by the Gulf Coast tick (Amblyomma maculatum). …”
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  11. 91
    “…RESULTS: The overall infection rate of Rickettsia spp. was 6.12 %. Phylogenetic analyses based on the partial gltA and ompA genes demonstrated that rickettsiae detected in the ticks belong to four species, including “Candidatus Rickettsia tarasevichiae”, Rickettsia heilongjiangensis, Rickettsia raoultii, and a potential new species isolate. …”
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  12. 92
    “…BACKGROUND: Rickettsia rickettsii is vectored by ticks, and some vertebrate hosts can be sources of infection to ticks during bacteremic periods. …”
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  13. 93
    “…Small regulatory RNAs comprise critically important modulators of gene expression in bacteria, yet very little is known about their prevalence and functions in Rickettsia species. R. conorii, the causative agent of Mediterranean spotted fever, is a tick-borne pathogen that primarily infects microvascular endothelium in humans. …”
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  14. 94
  15. 95
    “…Rickettsia amblyommatis, formerly named Rickettsia amblyommii and ‘Candidatus Rickettsia amblyommii’ is an intracellular bacterium belonging to the spotted fever group Rickettsia. …”
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  16. 96
    por Osterloh, Anke
    Publicado 2020
    “…In addition, some rickettsiae can persist and cause recurrent disease. …”
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  17. 97
    “…We report a human case of rickettsiosis caused by Rickettsia parkeri strain Atlantic Rainforest in Mexico in an adult woman from a small town in the north of Yucatan, Mexico. …”
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  18. 98
  19. 99
    “…Murine typhus, which is caused by Rickettsia typhi, has a wide range of clinical manifestations. …”
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  20. 100
    “…Molecular studies performed from lung, liver, and kidney tissue confirm the diagnosis of spotted fever group rickettsial disease due to Rickettsia conorii.…”
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