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Published on: December 5, 2020
Trichoderins, novel aminolipopeptides from a marine sponge-derived Trichoderma sp., are active against dormant
Patamaporn Pruksakorn1, Masayoshi Arai, Naoyuki Kotoku
1Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, Japan.
Abstract:
Three new aminolipopeptides, designated trichoderins A (1), A1 (2), and B (3), were isolated from a culture of marine sponge-derived fungus of Trichoderma sp. as anti-mycobacterial substances with activity against active and dormant bacilli. The chemical structures of trichoderins were determined on the basis of spectroscopic study. Trichoderins showed potent anti-mycobacterial activity against Mycobacterium smegmatis, Mycobacterium bovis BCG, and Mycobacterium tuberculosis H37Rv under standard aerobic growth conditions as well as dormancy-inducing hypoxic conditions, with MIC values in the range of 0.02-2.0 microg/mL.
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