Phytoactive Eremophilanes Produced by the Weed PathogenDrechslera gigantea | Zendy

Fumio Sugawara | Zendy; Yali F. Hallock | Zendy; Greg J. Bunkers | Zendy; Doug Kenfield | Zendy; Gary A. Strobel | Zendy; Shigeo Yoshida | Zendy

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Phytoactive Eremophilanes Produced by the Weed PathogenDrechslera gigantea

Author(s) -

Fumio Sugawara,

Yali F. Hallock,

Greg J. Bunkers,

Doug Kenfield,

Gary A. Strobel,

Shigeo Yoshida

Publication year - 1993

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.57.236

Subject(s) - drechslera , gigantea , weed , fungus , biology , botany , pathogen , microbiology and biotechnology

Phytoactive substances were present in a culture broth of Drechslera gigantea, a pathogenic fungus of several grasses. Twelve eremophilane sesquiterpenes (1, 2, 3, 4, 6, 7, 10, 11, 12, 13, 14, and 15) were isolated and structurally characterized by a combination of single-crystal X-ray diffraction and spectroscopic analyses. Most of these sesquiterpenoids were phytotoxic; however, compounds 1 and 3 caused chlorophyll retention, an activity previously associated with phytohormones.

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