VISCOSIN, A POTENT PEPTIDOLIPID BIOSURFACTANT AND PHYTOPATHOGENIC MEDIATOR PRODUCED BY A PECTOLYTIC STRAIN OF PSEUDOMONAS-FLUORESCENS

被引:67
作者
LAYCOCK, MV [1 ]
HILDEBRAND, PD [1 ]
THIBAULT, P [1 ]
WALTER, JA [1 ]
WRIGHT, JLC [1 ]
机构
[1] NATL RES COUNCIL CANADA,ATLANTIC REG LAB,1411 OXFORD ST,HALIFAX B3H 3Z1,NS,CANADA
关键词
D O I
10.1021/jf00003a011
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The structure of a peptidolipid isolated from a pectolytic strain of Pseudomonas fluorescens biovar II has been determined by using mass spectrometry, NMR spectroscopy, and chemical methods. The compound was identified as viscosin, an antiviral peptidolipid first isolated from P. viscosa. The native peptidolipid is a potent surfactant that facilitates bacterial infection and the spread of decay on non-wounded broccoli florets colonized by these pathogenic bacteria.
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页码:483 / 489
页数:7
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