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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0140766
论文题名:	Zonation of Microbial Communities by a Hydrothermal Mound in the Atlantis II Deep (the Red Sea)
作者:	Yong Wang; Jiang Tao Li; Li Sheng He; Bo Yang; Zhao Ming Gao; Hui Luo Cao; Zenon Batang; Abdulaziz Al-Suwailem; Pei-Yuan Qian
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-10-20
卷:	10, 期:10
语种:	英语
英文关键词:	Sediment ; Archaean biology ; Sulfides ; Red Sea ; Ribosomal RNA ; Phylogenetic analysis ; Chemical precipitation ; Hydrothermal vents
英文摘要:	In deep-sea geothermal rift zones, the dispersal of hydrothermal fluids of moderately-high temperatures typically forms subseafloor mounds. Major mineral components of the crust covering the mound are barite and metal sulfides. As a result of the continental rifting along the Red Sea, metalliferous sediments accumulate on the seafloor of the Atlantis II Deep. In the present study, a barite crust was identified in a sediment core from the Atlantis II Deep, indicating the formation of a hydrothermal mound at the sampling site. Here, we examined how such a dense barite crust could affect the local environment and the distribution of microbial inhabitants. Our results demonstrate distinctive features of mineral components and microbial communities in the sediment layers separated by the barite crust. Within the mound, archaea accounted for 65% of the community. In contrast, the sediments above the barite boundary were overwhelmed by bacteria. The composition of microbial communities under the mound was similar to that in the sediments of the nearby Discovery Deep and marine cold seeps. This work reveals the zonation of microbial communities after the formation of the hydrothermal mound in the subsurface sediments of the rift basin.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0140766&type=printable
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资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/20509
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0140766.PDF（2116KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Sanya Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, San Ya, China;Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China;State Key Laboratory of Marine Geology, Tongji University, Shanghai, China;Sanya Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, San Ya, China;Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China;Sanya Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, San Ya, China;Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China;Computational Biosciences Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia;Computational Biosciences Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia;Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China

Recommended Citation:

Yong Wang,Jiang Tao Li,Li Sheng He,et al. Zonation of Microbial Communities by a Hydrothermal Mound in the Atlantis II Deep (the Red Sea)[J]. PLOS ONE,2015-01-01,10(10)

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