PYRROLNITRIN AND PHENAZINE PRODUCTION BY PSEUDOMONAS-CEPACIA, STRAIN 5.5B, A BIOCONTROL AGENT OF RHIZOCTONIA-SOLANI

被引：106

作者：

CARTWRIGHT, DK ^{[1
]}

CHILTON, WS ^{[1
]}

BENSON, DM ^{[1
]}

机构：

[1] N CAROLINA STATE UNIV,DEPT BOT,RALEIGH,NC 27695

来源：

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY | 1995年 / 43卷 / 02期

关键词：

D O I：

10.1007/BF00172814

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：

Rhizoctonia stem rot of poinsettia caused by Rhizoctonia solani is controlled by strain 5.5B of Pseudomonas cepacia when poinsettia cuttings are rooted in polyfoam rooting cubes. Experiments were conducted to isolate and characterize secondary metabolites from strain 5.5B that were inhibitory towards R. solani. Inhibitory compounds were detected in fractions processed from liquid cultures of strain 5.5B. The most inhibitory compound isolated was pyrrolnitrin. A purple pigment consistently produced in culture by strain 5.5B was isolated and identified as 4,9-dihydroxyphenazine-1,6-dicarboxylic acid dimethyl ester, a phenazine. In vitro inhibition of R. solani occurred with the phenazine.

引用

页码：211 / 216

页数：6