Metabolic pathway analysis of methane from methanol as substrate in microbial consortium

文献类型： 外文期刊

第一作者： Chen, Zhao

作者： Chen, Zhao;Aman, Khan;Wang, Weidong;Chen, Zhao;Zhang, Wei;Wang, Jinghong;Zhang, Fangzheng;Shen, Guinan;Hong, Yanhua;Wang, Weidong;Wei, Dan;Cui, Zongjun

作者机构：

关键词： Anaerobic digestion; Single substrate; Methane; Microbial diversity; Metabolic mechanism

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）

ISSN： 0960-8524

年卷期： 2024 年 413 卷

页码：

收录情况： SCI

摘要： Simplified anaerobic digestion (SAD) of substrates facilitates microbial methanogenic pathways. In this study, a methane-producing microbial consortium from cow dung was enriched to determine the metabolism and metabolic pathway in the SAD of methanol. The results showed that methanol as a sole substrate produced 167 mL of methane at 10 days significantly higher than 58 mL, 17.6 mL, and 4 mL generated when methanol was combined with sodium formate, sodium formate alone, or sodium acetate. The relative abundance of Methanobacterium, Candidatus_Methanomethylophilus, Methanomassiliicoccus, and Methanosarcina was increased by 5.96 %, 3.77 %, 2.85 %, and 0.14 % in the methanol substrate of AD, respectively. Macrogenome sequencing indicates that methanol wasconverted into Methyl-CoM in the presence of Methanosarcina, , which combines with Coenzyme B to produce methane. This study revealed that methanol is converted into methane by a simple pathway.

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