Open AccessBipolaroxin, a selective phytotoxin produced by Bipolaris cynodontis.
Author(s) -
Fumio Sugawara,
Gary A. Strobel,
Lori Fisher,
Gregory D. Van Duyne,
Jon Clardy
Publication year - 1985
Publication title -
proceedings of the national academy of sciences of the united states of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.82.24.8291
Subject(s) - phytotoxin , bipolaris , weed , pathogen , fungus , fungal pathogen , biology , botany , microbiology and biotechnology , toxin
Two sesquiterpenes have been isolated from the fungal pathogen of Bermuda grass Bipolaris cynodontis. Chemical, spectral, and x-ray diffraction studies have led to the characterization of these as bipolaroxin and dihydrobipolaroxin, highly oxygenated members of the eremophilane family. Bipolaroxin is phytotoxic to some but not all of the plants tested. To our knowledge, a phytotoxin with host selectivity isolated from a weed pathogen has not been reported previously.