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Regulating pH and Phanerochaete chrysosporium inoculation improved the humification and succession of fungal community at the cooling stage of composting

文献类型： 外文期刊

作者： Wang, Yuyun 1 ; Wei, Yuquan 2 ; Zhou, Kaiyun 2 ; Gao, Xin 3 ; Chang, Yuan 2 ; Zhang, Kui 2 ; Deng, Jie 1 ; Zhan, Yabin 2 ; Li, Jun 2 ; Li, Ruoqi 2 ; Li, Ji 2 ; Xu, Zhi 1 ;

作者机构： 1.Yunnan Agr Univ, Coll Resources & Environm Sci, Kunming 650201, Peoples R China

2.China Agr Univ, Organ Recycling Inst Suzhou, Suzhou 215128, Peoples R China

3.China Agr Univ, Coll Resources & Environm Sci, Beijing Key Lab Biodivers & Organ Farming, Beijing 100193, Peoples R China

4.Hubei Acad Agr Sci, Minist Agr & Rural Affairs, Inst Plant Protect & Soil Fertilizer, Key Lab Fertilizat Agr Wastes, Wuhan 430064, Hubei, Peoples R China

关键词： Agricultural wastes composting; Humification process; Lignocellulose degradation; Phanerochaete Chrysosporium; Fungal community

期刊名称：BIORESOURCE TECHNOLOGY （ 2022影响因子：11.4； 五年影响因子：10.6 ）

ISSN： 0960-8524

年卷期： 2023 年 384 卷

页码：

收录情况： SCI

摘要： This study aimed to explore the effect of regulating pH and Phanerochaete chrysosporium inoculation at the cooling stage of composting on the lignocellulose degradation, humification process and related precursors as well as fungal community for secondary fermentation. Results showed that composting with P. chrysosporium inoculation and pH regulation (T4) had 58% cellulose decomposition, 73% lignin degradation and improved enzyme activities for lignin decomposition. There was 81.98% increase of humic substance content and more transformation of polyphenols and amino acids in T4 compared to control. Inoculating P. chrysosporium affected the fungal community diversity, and regulating pH helped to increase the colonization of P. chrysosporium. Network analysis showed that the network complexity and synergy between microorganisms was improved in T4. Correlation and Random Forest analysis suggested that enriched Phanerochaete and Thermomyces in the mature stage of T4 were key taxa for lignocellulose degradation, and humic acid formation by accumulating precursors.

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