PRODUCTION OF 2,4-DIACETYLPHLOROGLUCINOL BY THE BIOCONTROL AGENT PSEUDOMONAS-FLUORESCENS PF-5

被引：129

作者：

NOWAKTHOMPSON, B

GOULD, SJ

KRAUS, J

LOPER, JE

机构：

[1] US ARS,HORT CROPS RES LAB,CORVALLIS,OR 97330

[2] OREGON STATE UNIV,DEPT CHEM,CORVALLIS,OR 97331

来源：

CANADIAN JOURNAL OF MICROBIOLOGY | 1994年 / 40卷 / 12期

关键词：

2,4-DIACETYLPHLOROGLUCINOL; PSEUDOMONAS FLUORESCENS; BIOCONTROL;

D O I：

10.1139/m94-168

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

2,4-Diacetylphloroglucinol was detected in and isolated from culture extracts of the biological control bacterium Pseudomonas fluorescens Pf-5. Its structure was identified using a combination of chromatographic techniques and NMR spectroscopic methods. Carbon source influenced 2,4-diacetylphloroglucinol production by Pf-5 in culture media. 2,4-Diacetylphloroglucinol inhibited growth of the plant pathogenic fungi Pythium ultimum and Rhizoctonia solani, and the plant pathogenic bacterium Erwinia carotovara subsp. atroceptica, which cause diseases that are suppressed by strain Pf-5. The results of this study provide further evidence for the prevalence of 2,4-diacetylphloroglucinol production among strains of Pseudomonas fluorescens that suppress plant diseases.

引用

页码：1064 / 1066

页数：3

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