An Escherichia coli reference collection group B2-and uropathogen-associated polymorphism in the rpoS-mutS region of the E-coli chromosome

被引：26

作者：

Culham, DE ^{[1
]}

Wood, JM ^{[1
]}

机构：

[1] Univ Guelph, Dept Microbiol, Guelph, ON N1G 2W1, Canada

来源：

JOURNAL OF BACTERIOLOGY | 2000年 / 182卷 / 21期

关键词：

D O I：

10.1128/JB.182.21.6272-6276.2000

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Chromosomal DNAs of enterohemorrhagic, uropathogenic, and laboratory attenuated Escherichia coli strains differ in the rpoS-mutS region. Many uropathogens lack a deletion and an insertion characteristic of enterohemorrhagic strains. At the same chromosomal position, they harbor a 2.1-kb insertion of unknown origin with a base composition suggestive of horizontal gene transfer. Unlike virulence determinants associated with urinary tract infection and/or neonatal meningitis (pap or prs, sfa, kps, and hly), the 2.1-kb insertion is shared by all group B2 strains of the E. coli Reference Collection.

引用

页码：6272 / 6276

页数：5

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