Alteichin: an unusual phytotoxin fromAlternaria eichorniae, a fungal pathogen of water hyacinth
- 1 November 1984
- journal article
- Published by Springer Nature in Cellular and Molecular Life Sciences
- Vol. 40 (11), 1248-1250
- https://doi.org/10.1007/bf01946657
Abstract
The phytopathogenic fungusAlternaria eichorniae attacks water hyacinth, an economically significant aquatic weed. The novel phytotoxin alteichin was isolated from liquid cultures of this fungus and its structure was deduced by X-ray crystallographic analysis. Altheichin is a doubly hydrated form of 4,9-dihydroxy perylene-3,10-quinone. A single step dehydration of alteichin to anhydroalteichin is catalyzed both by acid and by a crude enzyme preparation from water hyacinth.Keywords
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