The Production of Pyrenocines A and B by a Novel Alternaria species
نویسندگان
چکیده
Beni Tal* and David J. Robeson A RCO Plant Cell Research Institute, 6560 Trinity Court, Dublin, CA 94568—2685, USA Z. Naturforsch. 41c, 1032—1036 (1986); received July 16/August 12. 1986 Pyrenocine A, Phytotoxin, Fungal M etabolite, Alternaria, Helianthus tuberosus A previously undescribed species of Alternaria was isolated from the leaves of Helianthus tuberosus bearing necrotic lesions. W hen this isolate was grown in liquid medium two phytotoxic metabolites were produced. These compounds were identified as pyrenocine A and pyrenocine B. The former metabolite was found to be lethal to both isolated protoplasts and whole leaf tissue of
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