Increased enzyme activities and fungal degraders by Gloeophyllum trabeum inoculation improve lignocellulose degradation efficiency during manure-straw composting
文献类型： 外文期刊
作者： Zhu, Ning 1 ; Zhu, Yanyun 1 ; Li, Bingqing 3 ; Jin, Hongmei 1 ; Dong, Yiwei 4 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing 210014, Peoples R China
2.Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Nanjing 210095, Peoples R China
3.Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
4.Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Jiangsu, Peoples R China
关键词： Composting; Inoculation; Lignocellulose degradation; Enzyme activity; Fungal community
期刊名称：BIORESOURCE TECHNOLOGY （ 2020影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2021 年 337 卷
收录情况： SCI
摘要： The present study investigated the effect of brown-rot fungus Gloeophyllum trabeum inoculation on lignocellulose degradation, enzyme activities and fungal community during co-composting of swine manure and wheat straw. G. trabeum inoculation shortened the maturation period of composting from 39 to 30 days. Composting piles inoculated with G. trabeum showed a higher degree of maturity as indicated by 31.6% lower C/N ratio and 29.4% higher GI. The decomposition rate of cellulose, hemicellulose and lignin was increased by 181.1%, 49.4% and 109.4%, respectively, due to higher activities of filter paper enzyme, xylanase, manganese peroxidase and laccase. Redundancy analysis showed that inoculating G. trabeum influenced the succession of fungal communities by changing the main physicochemical parameters, resulting in the increased relative abundance of Aspergillus, Mycothermus and Melanocarpus. Pearson correlation analysis indicated that more dominant fungal genera were involved in the production of lignocellulose-degrading enzymes after G. trabeum inoculation.
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