Purification and partial characterization of phytotoxic glycopeptides secreted by Colletotrichum gloeosporioides

Colletotrichum gloeosporioides secretes a phytotoxic compound that causes anthracnose in Hevea brasiliensis: as a first step we attempted to follow mycelium growth, pH and toxin production by this fungus. The compound was isolated and partially purified by ultrafiltration, acetone precipitation and...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 1995, Vol.43 (2), p.217-221
Main Authors: Barjau, M, Druet, D, Comeau, L.C
Format: Article
Language:English
Subjects:
Biological and medical sciences
Colletotrichum gloeosporoides
Fundamental and applied biological sciences. Psychology
Hevea brasiliensis
Microbiology
Mycology
Pathogenicity, host-agent relations, miscellaneous strains, epidemiology
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Description
Summary:Colletotrichum gloeosporioides secretes a phytotoxic compound that causes anthracnose in Hevea brasiliensis: as a first step we attempted to follow mycelium growth, pH and toxin production by this fungus. The compound was isolated and partially purified by ultrafiltration, acetone precipitation and affinity and gel-permeation chromatography. Material purified was largely carbohydrate with a small protein fraction. Galactose, mannose and rhamnose were the neutral sugars encountered, and serine and threonine the major amino acids found. We propose a molecular mass for this substance of 50333 Da.
ISSN:0175-7598
1432-0614
DOI:10.1007/BF00172815