2. Academic Validation
  3. Alteichin: an unusual phytotoxin from Alternaria eichorniae, a fungal pathogen of water hyacinth

Alteichin: an unusual phytotoxin from Alternaria eichorniae, a fungal pathogen of water hyacinth

  • Experientia. 1984 Nov 15;40(11):1248-50. doi: 10.1007/BF01946657.
D Robeson,  G Strobel,  G K Matusumoto,  E L Fisher,  M H Chen,  J Clardy
PMID: 6548712 DOI: 10.1007/BF01946657
Abstract

The phytopathogenic fungus Alternaria 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.

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