期刊
NATURAL PRODUCT RESEARCH
卷 30, 期 14, 页码 1605-1610出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2015.1126264
关键词
Trichoderma citrinoviride; diterpene; trichocitrin; nafuredin
资金
- Strategic Priority Research Program [XDA11020403]
- National Natural Science Foundation of China [41106136, 41106137]
One new diterpene, trichocitrin (1), and four known secondary metabolites, nafuredin (2), 5-hydroxy-2,3-dimethyl-7-methoxychromone (3), 24-methylenecycloartanol (4) and citrostadienol (5), were isolated from the culture of marine brown alga-endophytic Trichoderma citrinoviride cf-27. Trichocitrin (1) represents the first Trichoderma-derived and furan-bearing fusicoccane diterpene, and its structure and relative configuration were identified by analysis of 1D/2D NMR and mass spectroscopic data. Compounds 1 and 2 exhibited 8.0- and 9.5-mm inhibition zones, respectively, against Escherichia coli at 20 mu g/disc and 54.1 and 36.7% growth inhibition, respectively, of Prorocentrum donghaiense at 80 mu g/mL. [GRAPHICS] .
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