Genomic differences within the phylum Marinimicrobia: From waters to sediments in the Mariana Trench

doi:10.1016/j.margen.2019.100699

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

	Genomic differences within the phylum Marinimicrobia: From waters to sediments in the Mariana Trench
	Huang, Jiao-Mei 1,2; Wang, Yong 2
刊名	MARINE GENOMICS
	2020-04-01
卷号	50 页码:9
关键词	Mariana Trench Marinimicrobia Genome expansion Hadal sediment
ISSN号	1874-7787
DOI	10.1016/j.margen.2019.100699
英文摘要	Marinimicrobia are widespread from the marine surface to the hadal zone. Major clades of Marinimicrobia have evolved to different ecotypes along with energy gradients, but their genomes in deeper waters and sediments have rarely been studied. Here we obtained 11 Marinimicrobia draft genomes from the water column in the fullocean depth and the hadal sediments in the Mariana Trench. All the predicted genomic capabilities of the metagenome-assembled genomes (MAGs) are indicative of heterotrophic lifestyle. The MAGs from the hadal depths are distinct from those from the mesopelagic and bathypelagic depths by enrichment of the genes involved in amino acids metabolism and mismatch repair. Compared with the MAGs from waters, those from the sediments were dramatically expanded by acquiring the genes responsible for chemotaxis, mobility and the two-component systems. Marinimicrobia were apparently differentiated in the environments with different depths, organic matters and electronic acceptors. Our results also posit a potential evolutionary relationship between the species inhabiting the waters and sediments, indicating the occurrence of allopatric speciation in Marinimicrobia.
资助项目	National Key Research and Development Program of China[2016YFC0302500] ; Strategic Priority Research Program B of Chinese Academy of Sciences[XDB06010201] ; Strategic Priority Research Program B of Chinese Academy of Sciences[XDB06010103] ; Strategic Priority Research Program B of Chinese Academy of Sciences[XDB06040100] ; National Science Foundation of China[41476104] ; National Science Foundation of China[31460001]
WOS关键词	GROUP-A BACTERIA ; CHALLENGER DEEP ; SINGLE CELLS ; GENE ; IDENTIFICATION ; ADAPTATION ; DIVERSITY ; EVOLUTION ; SEQUENCE ; OCEAN
WOS研究方向	Genetics & Heredity ; Marine & Freshwater Biology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000529816900006
资助机构	National Key Research and Development Program of China ; Strategic Priority Research Program B of Chinese Academy of Sciences ; National Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.idsse.ac.cn/handle/183446/7640]
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.Univ Chinese Acad Sci, Beijing, Peoples R China 2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, 28 Luhuitou Rd, Sanya, Hainan, Peoples R China
推荐引用方式 GB/T 7714	Huang, Jiao-Mei,Wang, Yong. Genomic differences within the phylum Marinimicrobia: From waters to sediments in the Mariana Trench[J]. MARINE GENOMICS,2020,50:9.
APA	Huang, Jiao-Mei,&Wang, Yong.(2020).Genomic differences within the phylum Marinimicrobia: From waters to sediments in the Mariana Trench.MARINE GENOMICS,50,9.
MLA	Huang, Jiao-Mei,et al."Genomic differences within the phylum Marinimicrobia: From waters to sediments in the Mariana Trench".MARINE GENOMICS 50(2020):9.