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Comparative genome analysis of the oleaginous yeast Trichosporon fermentans reveals its potential applications in lipid accumulation

文献类型： 外文期刊

作者： Shen, Qi 1 ; Chen, Yue 2 ; Jin, Danfeng 3 ; Lin, Hui 4 ; Wang, Qun 1 ; Zhao, Yu-Hua 1 ;

作者机构： 1.Zhejiang Univ, Coll Life Sci, Hangzhou, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Hort, Hangzhou, Zhejiang, Peoples R China

3.Jiangxi Acad Sci, Inst Microbiol, Nanchang, Jiangxi, Peoples R China

4.Zhejiang Acad Agr Sci, Inst Environm Resource & Soil Fertilizer, Hangzhou, Zhejiang, Peoples R China

关键词： Microbial oil;Microbial genome;Trichosporon fermentans;Comparative analysis;Evolution

期刊名称：MICROBIOLOGICAL RESEARCH （ 影响因子：5.415； 五年影响因子：6.038 ）

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收录情况： SCI

摘要： In this work, Trichosporon fermentans CICC 1368, which has been shown to accumulate cellular lipids efficiently using industry-agricultural wastes, was subjected to preliminary genome analysis, yielding a genome size of 31.3 million bases and 12,702 predicted protein-coding genes. Our analysis also showed a high degree of gene duplications and unique genes compared with those observed in other oleaginous yeasts, with 3-4-fold more genes related to fatty acid elongation and degradation compared with those in Rhodosporidium toruloides NP11 and Yarrowia lipolytica CLIB122. Phylogenetic analysis with other oleaginous microbes suggested that the lipogenic capacity of T. fermentans was obtained during evolution after the divergence of genera. Thus, our study provided the first draft genome and comparative analysis of T. fermentans, laying the foundation for its genetic improvement to facilitate cost-effective lipid production. (C) 2016 Elsevier GmbH. All rights reserved.

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