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Enhanced Enzymatic Hydrolysis of Cellulose From Substrate and Indole-3-Acetic Acid Content-During the Fruiting Body Differentiation Stage by Sodium Acetate Addition

文献类型： 外文期刊

作者： Hou, Li-juan 1 ; Li, Zheng-peng 3 ; Li, Chang-tian 1 ; Lin, Jin-sheng 2 ; Ma, Lin 2 ; Jiang, Ning 2 ; Qu, Shao-xuan 2 ; Li, Hui-ping 2 ; Li, Yu 1 ;

作者机构： 1.Jilin Agr Univ, Engn Res Ctr Edible & Med Fungi, Minist Educ, Jilin, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Vegetable Crop, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing, Peoples R China

3.Shanghai Acad Agr Sci, Inst Edible Fungi, Key Lab Edible Fungi Resources & Utilizat South, Minist Agr, Shanghai, Peoples R China

关键词： Volvariella volvacea; indole-3-acetic acid content; sodium acetate; enzyme activity; mechanism

期刊名称：FRONTIERS IN FUNGAL BIOLOGY

ISSN：

年卷期： 2021 年 2 卷

页码：

收录情况： SCI

摘要： Volvariella volvacea, with high commercial, nutritional and medicinal value, is widely cultivated in tropical and subtropical regions. The effects of supplementation on mushroom yield has been studied. We showed that the optimal application of sodium acetate (NaAc) was spray application of a 0.08% concentration during the substrate mixing stage which could increase yields by up to 89.16% and enhance the enzymatic hydrolysis of cellulose and hemicellulose from the substrate. For most enzymes tested maximum activity occurred during the fruiting body growth and development stage, which led to degradation of the substrate, increasing the available nutrients for mycelial propagation and fruiting body growth and development. Meanwhile, NaAc also significantly increased the indole-3-acetic acid (IAA) content in the early fruiting body development stage of V. volvacea, It was observed that IAA promotes not only plant primordium differentiation; but also the primordium differentiation of edible fungi. Furthermore, treatments with three acetate salts had an increase of yield by 30.22% on average. The mechanisms by which NaAc application may improve the yield of V. volvacea are discussed.

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