Prevalence of the virulence plasmids of nontyphoid Salmonella in the serovars isolated from humans and their association with bacteremia

Cheng Hsun Chiu, Tzou Yien Lin, Jonathan T. Ou

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42 引文 斯高帕斯(Scopus)

摘要

To determine if the virulence plasmid is one of the elements contributing to Salmonella bacteremia in humans, 436 clinical Salmonella isolates of different serovars were examined by a specific multiplex polymerase chain reaction assay for the presence of a virulence plasmid. These serovars showed differences in their ability to produce particular disease syndrome in humans. In the serovars usually causing bacteremia without concomitant gastroenteritis (primary bacteremia), i.e., S. choleraesuis, S. dublin, and S. enteritidis in this study, the rate of virulence plasmid carriage was 100%, while among those occasionally generating bacteremia following an episode of gastroenteritis (secondary bacteremia), the majority were plasmidless. Only a portion of S. typhimurium strains harbored a virulence plasmid; however, the rates of virulence plasmid carriage in S. typhimurium were not statistically different between non-fecal and fecal isolates (90% vs. 85%, 0.1<P<0.9). These results indicate that the virulence plasmids may be important for primary bacteremia, but not secondary bacteremia, to occur.
原文英語
頁(從 - 到)899-903
頁數5
期刊Microbiology and Immunology
43
發行號9
DOIs
出版狀態已發佈 - 1999
對外發佈

ASJC Scopus subject areas

  • 免疫學與微生物學 (全部)
  • 微生物學(醫學)
  • 微生物學

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