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  2. 烟台海岸带研究所
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  4. 中科院海岸带环境过程与生态修复重点实验室
Biomethane is produced by acetate cleavage, not direct interspecies electron transfer: genome-centric view and carbon isotope

文献类型：期刊论文

作者Liu, Jian1; Yu, Jiafeng1; Tan, Yang2; Dang, Run2; Zhou, Meng3; Hernandez, Marcela4; Lichtfouse, Eric5; Xiao, Leilei2,6
刊名BIORESOURCE TECHNOLOGY
出版日期2023-11-01
卷号387页码:10
关键词Metagenome-assembled genome Acetate metabolism Antibiotic exposure Anaerobic digestion
ISSN号0960-8524
DOI10.1016/j.biortech.2023.129589
通讯作者Xiao, Leilei(llxiao@yic.ac.cn)
英文摘要Understanding the source of methane (CH4) is of great significance for improving the anaerobic fermentation efficiency in bioengineering, and for mitigating the emission potential of natural ecosystems. Microbes involved in the process named direct interspecies electron transfer coupling with CO2 reduction, i.e., electrons released from electroactive bacteria to reduce CO2 into CH4, have attracted considerable attention for wastewater treatment in the past decade. However, how the synergistic effect of microbiota contributes to this anaerobic carbon metabolism accompanied by CH4 production still remains poorly understood, especial for wastewater with antibiotic exposure. Results show that enhancing lower-abundant acetoclastic methanogens and acetogenic bacteria, rather than electroactive bacteria, contributed to CH4 production, based on a metagenome-assembled genomes network analysis. Natural and artificial isotope tracing of CH4 further confirmed that CH4 mainly originated from acetoclastic methanogenesis. These findings reveal the contribution of direct acetate cleavage (acetoclastic methanogenesis) and provide insightsfor further regulation of methanogenic strategies.
WOS关键词MICROBIAL COMMUNITIES ; ANAEROBIC-DIGESTION ; METHANE PRODUCTION ; ANTIBIOTICS ; YIELD
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
语种英语
WOS记录号WOS:001054676100001
资助机构Youth Innovation Promotion Associa- tion, CAS ; National Natural Science Foundation of China ; Youth Science and Technology Innovation Plan of Universities in Shandong
源URL[http://ir.yic.ac.cn/handle/133337/36882]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
通讯作者Xiao, Leilei
作者单位1.Dezhou Univ, Inst Biophys, Shandong Key Lab Biophys, Dezhou 253023, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Northeast Inst Geog & Agroecol, State Key Lab Black Soils Conservat & Utilizat, Harbin 150081, Peoples R China
4.Univ East Anglia, Sch Biol Sci, Norwich NR4 7TJ, England
5.Xian Jiaotong Univ XJTU, Int Res Ctr Renewable Energy, State Key Lab Multiphase Flow Power Engn MFPE, Xian 710049, Peoples R China
6.Chinese Acad Sci, Yantai Inst Coastal Zone Res, 17 Chunhui Rd, Yantai 264003, Shandong, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Jian,Yu, Jiafeng,Tan, Yang,et al. Biomethane is produced by acetate cleavage, not direct interspecies electron transfer: genome-centric view and carbon isotope[J]. BIORESOURCE TECHNOLOGY,2023,387:10.
APA Liu, Jian.,Yu, Jiafeng.,Tan, Yang.,Dang, Run.,Zhou, Meng.,...&Xiao, Leilei.(2023).Biomethane is produced by acetate cleavage, not direct interspecies electron transfer: genome-centric view and carbon isotope.BIORESOURCE TECHNOLOGY,387,10.
MLA Liu, Jian,et al."Biomethane is produced by acetate cleavage, not direct interspecies electron transfer: genome-centric view and carbon isotope".BIORESOURCE TECHNOLOGY 387(2023):10.

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来源：烟台海岸带研究所

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