A new chlorinated phenylpyrrole antibiotic produced by the antifungal bacterium Pseudomonas cepacia

A group of chlorinated phenylpyrrole derivatives was isolated from a strain of Pseudomonas cepacia collected from apple leaves during a screening program designed to detect agents for biological control of fruit spoilage fungi. One of these substances, 2,3-dichloro-4-(2-amino-3-chlorophenyl)pyrrole,...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 1990-02, Vol.38 (2), p.538-541
Main Authors: Roitman, James N, Mahoney, Noreen E, Janisiewicz, Wojciech J, Benson, Mabry
Format: Article
Language:English
Subjects:
ANTIBIOTICOS
ANTIBIOTIQUE
CHAMPIGNON
CONTROL BIOLOGICO
DEGRADACION
DEGRADATION
FONGICIDE
FUNGICIDAS
HONGOS
LUTTE BIOLOGIQUE
PSEUDOMONAS
SINTOMAS
SYMPTOME
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Summary:A group of chlorinated phenylpyrrole derivatives was isolated from a strain of Pseudomonas cepacia collected from apple leaves during a screening program designed to detect agents for biological control of fruit spoilage fungi. One of these substances, 2,3-dichloro-4-(2-amino-3-chlorophenyl)pyrrole, has not been previously reported. In vitro testing showed that all four of the phenylpyrroles had antifungal activity toward several fruit pathogens. The new phenylpyrrole showed fungal inhibitory effects on Golden Delicious apples inoculated with conidia of pathogenic organisms. An unrelated but known compound, 2-(2-heptenyl)-3-methyl-4(1H)-quinolone, was also isolated
ISSN:0021-8561
1520-5118
DOI:10.1021/jf00092a044