Epigenetic genome mining of an endophytic fungus leads to the pleiotropic biosynthesis of natural products.
Epigenetic genome mining of an endophytic fungus leads to the pleiotropic biosynthesis of natural products.
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DOI:
10.1002/anie.201502452
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发表时间:
2015-06-22
影响因子:
16.6
通讯作者:
Hu, Youcai
中科院分区:
文献类型:
--
作者:
Mao, Xu-Ming;Xu, Wei;Li, Dehai;Yin, Wen-Bing;Chooi, Yit-Heng;Li, Yong-Quan;Tang, Yi;Hu, Youcai
The small molecule biosynthetic potential of most filamentous fungi remains largely unexplored and represents an attractive source for new compound discovery. Genome sequencing of Calcarisporium arbuscula, a mushroom endophytic fungus, revealed 68 core genes that are involved in natural products biosynthesis. This is in sharp contrast to predominant production of the ATPase inhibitors aurovertin B (1) and D (2). Inactivation of a histone H3 deacetylase HdaA led to pleiotropic activation and overexpression of more than 75% of the biosynthetic genes. Sampling of the overproduced compounds led to isolation of ten compounds of which four contain new structures, including the cyclic peptides arbumycin (3) and arbumelin (4); the diterpenoid arbuscullic acid A (11); and a meroterpenoid arbuscullic acid B (12). Such epigenetic modification therefore provides a rapid and global approach to mine the chemical diversity of endophytic fungi.
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