Acquired and intrinsic glycopeptide resistance in enterococci

被引:0
|
作者
Gholizadeh, Y [1 ]
Courvalin, P [1 ]
机构
[1] Inst Pasteur, Unite Agents Antibacteriens, F-75724 Paris 15, France
关键词
antibiotic resistance; glycopeptides; vancomycin; teicoplanin; enterococci;
D O I
暂无
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
Enterococci are Gram-positive cocci responsible for severe human infections, such as endocarditis, meningitis, and septicemia and constitute an increasingly frequent cause of nosocomial infections. Enterococci are resistant to nearly all classes of drugs including, since 1986, glycopeptides. Vancomycin and teicoplanin act by blocking cell wall formation and resistance is due to synthesis of modified late peptidoglycan precursors. Glycopeptide resistance can be intrinsic or acquired and strains may be resistant to vancomycin and teicoplanin, or to vancomycin only. Five types of glycopeptide resistance and their biochemical mechanisms have been described in enterococci. Clinical isolates that are dependent on vancomycin for growth have been isolated. Data suggest a dual origin for resistance: glycopeptide-producing organisms or enterococcal species intrinsically resistant to these drugs. (C) 2000 Elsevier Science B.V. and International Society of Chemotherapy. All rights reserved.
引用
收藏
页码:S11 / S17
页数:7
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