A Comparative Transcriptome Analysis of Volvariella volvacea Identified the Candidate Genes Involved in Fast Growth at the Mycelial Growth Stage

文献类型： 外文期刊

第一作者： Liu, Ming

作者： Liu, Ming;Xiao, Zitian;Xu, Jiang;Peng, Yangyang;He, Huanqing;Yu, Ting;Liu, Qinjian;Zhu, Qingfeng;Singh, Puneet Kumar;Liu, Hao;Fu, Shiyu;Chen, Shicheng

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关键词： Volvariella volvacea; transcriptome; growth performance

期刊名称：GENES （ 影响因子：4.096； 五年影响因子：4.339 ）

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年卷期： 2020 年 11 卷 2 期

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收录情况： SCI

摘要： The edible straw mushroom, Volvariella volvacea, is one of the most important cultivated mushrooms in tropical and sub-tropical regions. Strain improvement for V. volvacea is difficult because of the unknown mechanisms involved in its growth regulation and substrate utilization. A comparative physiological and transcriptomic study was conducted between two commercially available straw mushroom strains (v9 and v26) to explore their fast-growth regulation mechanism(s). The physiological study showed that V. volvacea v9 had a shorter growth cycle and higher biological efficiency (4% higher) than that in v26. At least 14,556 unigenes were obtained from the four cDNA libraries (two replicates per strain). Among them, the expression of 1597 unigenes was up-regulated while 1352 were down-regulated. Four heat-shock proteins were highly expressed in v9, showing that v9 has the better ability to handle stresses and/or environmental changes. Moreover, up to 14 putative transporter genes were expressed at a higher level in v9 than those in v26, implying that v9 has a better ability to transport nutrients or export xenobiotics efficiently. Our report allows to identify the candidate genes involved in the fast growth requirement of V. volvacea, which represents a valuable resource for strain improvement in this commercially important edible mushroom.

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