Microbial diversity in the sediments of the southern Mariana Trench

IOCAS-IR

	Microbial diversity in the sediments of the southern Mariana Trench
	LI Yingjie ; CAO Wenrui ; WANG Yan ; MA Qingjun
发表期刊	Journal of Oceanology and Limnology
ISSN	2096-5508
	2019-05-15
出版年	2019
卷号	v.37 期号:03 页码:248-253
文献类型	CNKI期刊论文
摘要	Microbial diversity in the abyssal sediments beneath the seafloor of 30, 94, and 151 cm near the southern end of the Mariana Trench was analyzed in the Illumina HiSeq 2500 platform. Results show that the microbial populations were dominated by bacteria but merely no archaea were identified at the three depths. In the bacterial community,Proteobacteria and Firmicutes dominated the total taxon tags, followed by Bacteroidetes, Actinobacteria, Planctomycetes, Cyanobacteria, and Chloroflexi, which together account for over 99% of the total population. Similar to that in the seawater in the trench, the operational taxonomic units(OTUs) belonging to Gammaproteobacteria from the sediment samples showed high abundance.However, common bacterial OTUs in the water of the trench including Nitrospirae and Marinimicrobia were hardly found in the sediments from the southern Mariana Trench or the hadal region. Therefore, this study documented for the first time the compositions of microbial diversity in the trench sediments, revealed the difference in microbial diversity in water and sediment of the trench and will enrich the knowledge on the microbial diversity in the abyssal areas.
关键词	Mariana Trench microbial diversity high-throughput sequencing technology
CNKI专辑号	A;
CNKI专辑名称	基础科学;
CNKI专题号	A006;A010;A011;
CNKI专题名称	生物学;海洋学;地质学;
分类号	P736.21;Q938
收录类别	中科院核心 ; 中科院扩展
语种	英文;
资助项目(基金）	supported by the National Science Foundation for Young Scientists of China(No.41706165) ; the National Science Foundation for Post-doctoral Scientists of China(No.2016M602200) ; supported by the National Program on Global Change and Air-Sea Interaction and the Fourth Polar Observation Program(i.e.Deep Sea Exploration Program,Qingdao National Laboratory for Marine Science & Technology) ; supported by grants from the "1000 Talents Program" of China ; the "100 Talents Program" of the Chinese Academy of Sciences ; the "AoShan Talents Program" of Qingdao National Laboratory for Marine Science and Technology(No.2015ASTP)
文献类型	CNKI期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/188552
专题	中国科学院海洋研究所
作者单位	1.KeyLaboratoryofExperimentalMarineBiology,InstituteofOceanology,ChineseAcademyofSciences 2.LaboratoryforMarineBiologyandBiotechnology,QingdaoNationalLaboratoryforMarineScienceandTechnology 3.KeyLaboratoryofMarineGeologyandEnvironment,InstituteofOceanology,ChineseAcademyofSciences 4.UniversityofChineseAcademyofSciences 5.CenterforOceanMega-Science,ChineseAcademyofSciences
推荐引用方式 GB/T 7714	LI Yingjie,CAO Wenrui,WANG Yan,et al. Microbial diversity in the sediments of the southern Mariana Trench. 2019.