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鼠疫耶尔森氏菌临床分离株中可转移的质粒介导的链霉素抗性

Transferable plasmid-mediated resistance to streptomycin in a clinical isolate of Yersinia pestis.

作者信息

Guiyoule A, Gerbaud G, Buchrieser C, Galimand M, Rahalison L, Chanteau S, Courvalin P, Carniel E

机构信息

Laboratoire des Yersinia, Institut Pasteur, 28 rue du Dr. Roux, 75724 Paris, France.

出版信息

Emerg Infect Dis. 2001 Jan-Feb;7(1):43-8. doi: 10.3201/eid0701.010106.

Abstract

Plasmid-mediated high-level resistance to multiple antibiotics was reported in a clinical isolate of Yersinia pestis in Madagascar in 1997. We describe a second Y. pestis strain with high-level resistance to streptomycin, isolated from a human case of bubonic plague in Madagascar. The resistance determinants were carried by a self-transferable plasmid that could conjugate at high frequencies to other Y. pestis isolates. The plasmid and the host bacterium were different from those previously associated with multiple-drug resistance, indicating that acquisition of resistance plasmids is occurring in this bacterial species. Emergence of resistance to streptomycin in Y. pestis represents a critical public health problem since this antibiotic is used as the first-line treatment against plague in many countries.

摘要

1997年在马达加斯加的一株鼠疫耶尔森菌临床分离株中报告了质粒介导的对多种抗生素的高水平耐药性。我们描述了从马达加斯加一名腺鼠疫患者身上分离出的另一株对链霉素具有高水平耐药性的鼠疫耶尔森菌菌株。耐药决定因子由一个可自我转移的质粒携带,该质粒可高频接合到其他鼠疫耶尔森菌分离株。该质粒和宿主细菌与先前与多重耐药性相关的质粒和细菌不同,这表明该细菌物种中正在发生耐药性质粒的获得。鼠疫耶尔森菌对链霉素耐药性的出现是一个关键的公共卫生问题,因为在许多国家这种抗生素被用作鼠疫的一线治疗药物。

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Plasmids in Yersinia pestis.鼠疫耶尔森氏菌中的质粒
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