在非典型肠致病性大肠杆菌菌株中存在致病亚群的证据。
Evidence of pathogenic subgroups among atypical enteropathogenic Escherichia coli strains.
机构信息
Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, Rua Botucatu, 862, 3 andar, 04023-062 São Paulo SP, Brazil.
出版信息
J Clin Microbiol. 2009 Nov;47(11):3756-9. doi: 10.1128/JCM.01599-09. Epub 2009 Sep 16.
Abstract
We describe the characterization of 126 atypical enteropathogenic Escherichia coli (aEPEC) isolates from 1,749 Brazilian children. Classic aEPEC strains were more frequently found in children with diarrhea than in controls (P < 0.001), showing their importance as acute diarrhea agents in our country. Only aEPEC strains carrying either the ehxA or paa gene were significantly associated with diarrhea.
摘要
我们描述了从 1749 名巴西儿童中分离的 126 株非典型肠致病性大肠杆菌（aEPEC）的特征。经典的 aEPEC 菌株在腹泻患儿中的检出率高于对照组（P < 0.001），表明其在我国作为急性腹泻病原体的重要性。只有携带 ehxA 或 paa 基因的 aEPEC 菌株与腹泻显著相关。
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