INTERACTIONS OF SURFACTIN, A BIOSURFACTANT FROM BACILLUS-SUBTILIS, WITH INORGANIC CATIONS

被引：64

作者：

THIMON, L ^{[1
]}

PEYPOUX, F ^{[1
]}

MICHEL, G ^{[1
]}

机构：

[1] UNIV LYON 1,BIOCHIM MICROBIENNE LAB,43 BLVD 11 NOVEMBRE 1918,F-69622 VILLEURBANNE,FRANCE

来源：

BIOTECHNOLOGY LETTERS | 1992年 / 14卷 / 08期

关键词：

D O I：

10.1007/BF01021648

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The properties of surfactin, a biosurfactant lipopeptide, were highly modified in the presence of inorganic cations. The micellization of surfactin was favoured by monovalent and, especially by divalent cations with a modification of the molecular area at the air-water interface. Haemolysis of erythrocytes by surfactin was enhanced by low concentrations of divalent cations with an increase of the binding of the lipopeptide to membrane. Inorganic ions induced conformational rearrangements probably due to ion-surfactin associations which modify the surface-active properties.

引用

页码：713 / 718

页数：6

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