Studies on Metabolites of Mycoparasitic Fungi. IV. Minor Peptaibols of Trichoderma kiningii

Qing HUANG; Yasuhiro TEZUKA; Yasumaru HATANAKA; Tohru KIKUCHI; Arasuke NISHI; Keisuke TUBAKI

doi:10.1248/cpb.43.1663

Qing HUANG, Yasuhiro TEZUKA, Yasumaru HATANAKA, Tohru KIKUCHI, Arasuke NISHI, Keisuke TUBAKI

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Keywords: Trichoderma koningii, peptaibol, trichokonin, collision-induced dissociation, ion-spray ionization mass spectrometry, NOESY

JOURNAL FREE ACCESS

1995 Volume 43 Issue 10 Pages 1663-1667

DOI https://doi.org/10.1248/cpb.43.1663

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Abstract

Three minor peptaibols, trichokonins (TKs)-Ia, Ib, and IX, were obtained from the culture broth of Trichoderma koningii OUDEMANS. Primary structures of these peptaibols were elucidated by ion-spray ionization mass spectrometry (ISI-MS) including the collision-induced dissociation (CID) technique together with two-dimensional nuclear Overhauser enhancement spectroscopy (NOESY).

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