Microbial ecology of sulfur cycling near the sulfate-methane transition of deep-sea cold seep sediments

doi:10.1111/1462-2920.15796

CORC > 深海科学与工程研究所 > 中国科学院深海科学与工程研究所 > 深海科学研究部 > 深海生物学研究室 > 海洋微生物宏基因组与分子进化研究组

	Microbial ecology of sulfur cycling near the sulfate-methane transition of deep-sea cold seep sediments
	Li, Wen-Li 3; Dong, Xiyang 1,5; Lu, Rui 2,3; Zhou, Ying-Li 2,3; Zheng, Peng-Fei 3; Feng, Dong 4; Wang, Yong 3
刊名	ENVIRONMENTAL MICROBIOLOGY
	2021-10-13
页码	15
ISSN号	1462-2912
DOI	10.1111/1462-2920.15796
英文摘要	Microbial sulfate reduction is largely associated with anaerobic methane oxidation and alkane degradation in sulfate-methane transition zone (SMTZ) of deep-sea cold seeps. How the sulfur cycling is mediated by microbes near SMTZ has not been fully understood. In this study, we detected a shallow SMTZ in three of eight sediment cores sampled from two cold seep areas in the South China Sea. One hundred ten genomes representing sulfur-oxidizing bacteria (SOB) and sulfur-reducing bacteria (SRB) strains were identified from three SMTZ-bearing cores. In the layers above SMTZ, SOB were mostly constituted by Campylobacterota, Gammaproteobacteria and Alphaproteobacteria that probably depended on nitrogen oxides and/or oxygen for oxidation of sulfide and thiosulfate in near-surface sediment layers. In the layers below the SMTZ, the deltaproteobacterial SRB genomes and metatranscriptomes revealed CO2 fixation by Wood-Ljungdahl pathway, sulfate reduction and nitrogen fixation for syntrophic or fermentative lifestyle. A total of 68% of the metagenome assembled genomes were not adjacent to known species in a phylogenomic tree, indicating a high diversity of bacteria involved in sulfur cycling. With the large number of genomes for SOB and SRB, our study uncovers the microbial populations that potentially mediate sulfur metabolism and associated carbon and nitrogen cycles, which sheds light on complex biogeochemical processes in deep-sea environments.
资助项目	National Key Research and Development Program of China[2018YFC0310005] ; National Key Research and Development Program of China[2016YFC0302504] ; Hainan Province[E050010406]
WOS关键词	COMPLETE GENOME SEQUENCE ; REDUCING BACTERIA ; ANAEROBIC OXIDATION ; OXIDIZING BACTERIA ; NITROGEN-FIXATION ; MARINE ; DENITRIFICATION ; IDENTIFICATION ; PREDICTION ; REDUCTASE
WOS研究方向	Microbiology
语种	英语
出版者	WILEY
WOS记录号	WOS:000706832100001
资助机构	National Key Research and Development Program of China ; Hainan Province
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/8838]
专题	深海科学研究部_深海生物学研究室_海洋微生物宏基因组与分子进化研究组
通讯作者	Wang, Yong
作者单位	1.Sun Yat Sen Univ, Sch Marine Sci, Zhuhai 519082, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Dept Life Sci, Sanya 572000, Hainan, Peoples R China 4.Shanghai Ocean Univ, Coll Marine Sci, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China 5.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China
推荐引用方式 GB/T 7714	Li, Wen-Li,Dong, Xiyang,Lu, Rui,et al. Microbial ecology of sulfur cycling near the sulfate-methane transition of deep-sea cold seep sediments[J]. ENVIRONMENTAL MICROBIOLOGY,2021:15.
APA	Li, Wen-Li.,Dong, Xiyang.,Lu, Rui.,Zhou, Ying-Li.,Zheng, Peng-Fei.,...&Wang, Yong.(2021).Microbial ecology of sulfur cycling near the sulfate-methane transition of deep-sea cold seep sediments.ENVIRONMENTAL MICROBIOLOGY,15.
MLA	Li, Wen-Li,et al."Microbial ecology of sulfur cycling near the sulfate-methane transition of deep-sea cold seep sediments".ENVIRONMENTAL MICROBIOLOGY (2021):15.