Heat resistance in extended-spectrum beta-lactamase-producing Escherichia coli may favor environmental survival in a hospital setting

被引:14
作者
Boll, Erik J. [1 ]
Frimodt-Moller, Jakob [1 ]
Olesen, Bente [2 ]
Krogfelt, Karen A. [1 ]
Struve, Carsten [1 ]
机构
[1] Statens Serum Inst, Dept Microbiol & Infect Control, Artillerivej 5, DK-2300 Copenhagen S, Denmark
[2] Univ Copenhagen, Herlev & Gentofte Hosp, Dept Clin Microbiol, DK-1168 Copenhagen, Denmark
关键词
Heat resistance; ESBL-producing Escherichia coli; Nosocomial infection; KLEBSIELLA-PNEUMONIAE; CTX-M; INFECTIONS; EMERGENCE; STRAINS; SYSTEM; ST131;
D O I
10.1016/j.resmic.2016.02.002
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Nosocomial infections caused by extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli are a major concern worldwide. There is an urgent need to identify bacterial factors promoting survival and persistence of these organisms in the nosocomial environment. Here, we describe the presence of a gene cluster, containing the Clp ATPase ClpK, within a collection of Danish ESBL-producing E. coli isolates. The cluster conferred thermoprotection upon the isolates, and thus might facilitate survival on medical devices exposed to semi-high temperatures in a hospital setting. (C) 2016 Institut Pasteur. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:345 / 349
页数:5
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