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首页> 外文期刊>Journal of Clinical Microbiology >Virulence Properties and Characteristics of Shiga Toxin-Producing Escherichia coli in S?o Paulo, Brazil, from 1976 through 1999
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Virulence Properties and Characteristics of Shiga Toxin-Producing Escherichia coli in S?o Paulo, Brazil, from 1976 through 1999

机译:1976年至1999年巴西圣保罗的产志贺毒素的大肠杆菌的毒力性质和特征

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Twenty-nine Shiga toxin-producing Escherichia coli (STEC) strains were identified in a collection of 2,607 isolates from patients with diarrhea in S?o Paulo, Brazil, from 1976 to 1999. The STEC strains belonged mainly to serotypes O111:HNM (HNM, nonmotile) (13 of 29 [44.8%]), O111:H8 (7 of 29 [24%]), and O26:H11 (4 of 29 [13.8%]); stx1 eae (26 of 29 [89.6%]), in combination with either enterohemorrhagic E. coli hlyA (11 of 26 [42%]) or astA (24 of 26 [92.3%]), prevailed. The O111 STEC strains were distinguished by their inability to decarboxylate lysine. The predominance of STEC O111 and O26 since the late 1970s and the identification of STEC serotypes O55:H19, O93:H19, and O118:H16 in association with human infections in Brazil are described for the first time.
机译:1976年至1999年,从巴西圣保罗的2 607例腹泻患者分离株中鉴定出29株产生志贺毒素的大肠杆菌(STEC)菌株。STEC菌株主要属于血清型为O111:HNM(非运动型HNM)(29个中的13 [44.8%]),O111:H8(29个中的7 [24%])和O26:H11(26个中的4个[13.8%]); stx 1 eae (29/26 [89.6%]),与肠出血性 E联合使用。大肠埃希菌hlyA (占26个中的11个[42%])或 astA (占26个中的24个[92.3%])占了上风。 O111 STEC菌株的特征在于它们无法使赖氨酸脱羧。自1970年代末以来STEC O111和O26的优势以及在巴西首次发现与人类感染相关的STEC血清型O55:H19,O93:H19和O118:H16的鉴定。

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