Shifts in bacterial diversity characteristics during the primary and secondary fermentation stages of bio-compost inoculated with effective microorganisms agent
文献类型： 外文期刊
作者： Liu, Xiayan 1 ; Zubair, Muhammad 2 ; Kong, Lingyu 1 ; Shi, Yu 3 ; Zhou, Hu 1 ; Tong, Lihong 4 ; Zhu, Rongsheng 2 ; Lv, Yizhong 1 ; Li, Zhaojun 2 ;
作者机构： 1.China Agr Univ, Coll Land Sci & Technol, Dept Soil & Water Sci, Beijing 100193, Peoples R China
2.Shandong Acad Agr Sci, Inst Anim Sci & Vet Med, Jinan 250100, Shandong, Peoples R China
3.Henan Univ, Sch Life Sci, State Key Lab Crop Stress Adaptat & Improvement, Kaifeng 475004, Henan, Peoples R China
4.Tsinghua Univ, Dept Hydraul Engn, XState Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
关键词： Composting; Bacterial community; Secondary fermentation; Metabolic function; Co-occurrence network
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）
ISSN： 0960-8524
年卷期： 2023 年 382 卷
页码：
收录情况： SCI
摘要： Microbial inoculation was an effective way to improve product quality of composting and solve traditional composting shortage. However, the effect mechanism of microbial inoculation on compost microorganisms re-mains unclear. Here, Shifts in bacterial community, metabolic function and co-occurrence network during the primary and secondary fermentation stages of bio-compost inoculated with effective microorganisms (EM) agent were analyzed by high-throughput sequencing and network analysis. Microbial inoculation promoted organic carbon transformation in early stage of secondary fermentation (days 27 to 31). The beneficial biocontrol bac-teria were main dominant genera at the second fermentation stage. Microbial inoculation can be good for the survival of beneficial bacteria. Inoculation with microbes promoted amino acid, carbohydrate and lipid meta-bolism, and inhibited energy metabolism and citrate cycle (TCA cycle). Microbial inoculation could enhance complexity of bacterial network and enhance mutual cooperation among bacteria during composting.
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