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Comparative Proteomic Analysis of Light-Induced Mycelial Brown Film Formation in Lentinula edodes

文献类型： 外文期刊

作者： Tang, Li Hua 1 ; Tan, Qi 1 ; Bao, Da Peng 1 ; Zhang, Xue Hong; Jian, Hua Hua; Li, Yan 1 ; Yang, Rui Heng 1 ; Wang, 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Minist Agr,Natl Engn Res Ctr Edible Fungi, Key Lab Edible Fungi Resources & Utilizat South, Shanghai 201403, Peoples R China

2.Shanghai Jiao To

期刊名称：BIOMED RESEARCH INTERNATIONAL （ 影响因子：3.411； 五年影响因子：3.62 ）

ISSN： 2314-6133

年卷期： 2016 年

页码：

收录情况： SCI

摘要： Light-induced brown film(BF) formation by the vegetative mycelium of Lentinula edodes is important for ensuring the quantity and quality of this edible mushroom. Nevertheless, the molecular mechanism underlying this phenotype is still unclear. In this study, a comparative proteomic analysis of mycelial BF formation in L. edodes was performed. Seventy-three protein spots with at least a twofold difference in abundance on two-dimensional electrophoresis (2DE) maps were observed, and 52 of them were successfully identified by matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF/TOF/MS). These proteins were classified into the following functional categories: small molecule metabolic processes (39%), response to oxidative stress (5%), and organic substance catabolic processes (5%), followed by oxidation-reduction processes (3%), single-organism catabolic processes (3%), positive regulation of protein complex assembly (3%), and proteinmetabolic processes (3%). Interestingly, four of the proteins that were upregulated in response to light exposure were nucleoside diphosphate kinases. To our knowledge, this is the first proteomic analysis of the mechanism of BF formation in L. edodes. Our data will provide a foundation for future detailed investigations of the proteins linked to BF formation.

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