嗜热菌
适应(眼睛)
同种类的
生物扩散
微生物种群生物学
群落结构
环境科学
工作(物理)
丰度(生态学)
过程(计算)
生态学
工程类
生物
计算机科学
细菌
数学
遗传学
机械工程
操作系统
组合数学
社会学
人口学
神经科学
人口
作者
Chen Liu,Chaofan Ai,Hanpeng Liao,Chang Wen,Tian Gao,Qiue Yang,Shungui Zhou
标识
DOI:10.1016/j.wasman.2022.12.009
摘要
Hyperthermophilic composting (hTC) is a promising technique for solid waste treatment due to its distinctive microbiomes. However, the assembly process of the hTC microbial community remains unclear. We investigated the assembly process of hTC and explored the underlying drivers influencing community assembly in this work by employing conventional thermophilic composting (cTC) as a comparison group. Our results showed that the two composting treatments have different community assembly processes. Especially for the initial and thermophilic phases, hTC is affected by homogeneous dispersal (48%) and homogeneous selection (44%), respectively, while cTC is controlled by undominant (38%) and homogeneous selection (92%), respectively. Furthermore, random forest models and network results suggested that different factors govern the community assembly in these two composting methods. Specifically, the hTC community increases the stability of the thermophilic community via enhancing the interactions of low-abundance taxa with other operational taxonomic units (OTUs) in community assembly. Our results suggested that the distinctive nature of hTC community assembly may be responsible for its adaptation to extreme environments.
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