THE MECHANISM OF ACTION OF CHLORHEXIDINE

被引:70
作者
KUYYAKANOND, T [1 ]
QUESNEL, LB [1 ]
机构
[1] UNIV MANCHESTER,DEPT CELL & STRUCT BIOL,MANCHESTER M13 9PL,LANCS,ENGLAND
关键词
CARBOHYDRATE TRANSPORT; ATPASE INHIBITION; ATP HYDROLYSIS; PROTON CONDUCTION; MEMBRANE DISRUPTION; CHLORHEXIDINE EFFECT;
D O I
10.1016/0378-1097(92)90211-6
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Chlorhexidine did not inhibit ATPase in intact cells of Escherichia coli K12 W1317i-, even at bactericidal concentrations, and ATP hydrolysis was greatest at the highest concentration (40 mg/1), even though no net uptake of substrate occurred. Like dinitrophenol and tribrominated salicylanilide, polymyxin and chlorhexidine collapsed the membrane potential at inhibitory concentrations. Membrane disruption, and not ATPase inactivatiion, is considered the lethal event in chlorhexidine action.
引用
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页码:211 / 215
页数:5
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