东海内陆架泥质区沉积物古菌群落垂向分布特征

张林宝; 李铁刚; 党宏月; 萨仁高娃; 张伟

doi:10.3799/dqkx.2010.025

Volume 35 Issue 2

Mar. 2010

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Article Navigation > Earth Science > 2010 > 35(2): 254-260

ZHANG Lin-bao, LI Tie-gang, DANG Hong-yue, SAREN Gao-wa, ZHANG Wei, 2010. Vertical Distribution of Archaea in Mud Wedge Sediments Located at Inner Continental Shelf of the East China Sea. Earth Science, 35(2): 254-260. doi: 10.3799/dqkx.2010.025

Citation:

ZHANG Lin-bao, LI Tie-gang, DANG Hong-yue, SAREN Gao-wa, ZHANG Wei, 2010. Vertical Distribution of Archaea in Mud Wedge Sediments Located at Inner Continental Shelf of the East China Sea. Earth Science, 35(2): 254-260. doi: 10.3799/dqkx.2010.025

Citation:

ZHANG Lin-bao, LI Tie-gang, DANG Hong-yue, SAREN Gao-wa, ZHANG Wei, 2010. Vertical Distribution of Archaea in Mud Wedge Sediments Located at Inner Continental Shelf of the East China Sea. Earth Science, 35(2): 254-260. doi: 10.3799/dqkx.2010.025

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Vertical Distribution of Archaea in Mud Wedge Sediments Located at Inner Continental Shelf of the East China Sea

doi: 10.3799/dqkx.2010.025

1.
Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3.
Center for Bioengineering and Biotechnology, China University of Petroleum (East China), Qingdao 266555, China

Received Date: 2008-12-23
Publish Date: 2010-03-01

Abstract

Abstract

Archaeal 16S rDNA clone libraries were constructed from sediments of different depths to elucidate the distribution and diversity of archaea in the Fujian and Zhejiang coastal mud wedge of the inner continental shelf of the East China Sea. We obtained 473 useable clones and 50 different OTUs (Operational Taxonomic Units). Phylogenetic and statistic analysis of clone libraries show that: archaeal 16S rDNA sequences are within phylums of Crenarchaeota and Euryarchaeota, respectively. The majority of archaeal phylotypes are Miscellaneous Crenarchaeotic Group (MCG), whereas few sequences fall into Marine Benthic Group B (MBG-B), South African Gold Mine Euryarchaeotic Group (SAGMEG), Anaerobic Methanotrophs 3 (ANME-3), Marine Crenarchaeotic Group I (MG-I) and Marine Benthic Group D (MBG-D). There might be anaerobic oxidation of methane carried out by group ANME-3 in the mud wedge. Homologous sequence analyses show that the distribution of archaea in the mud wedge is related to the surrounding environment. UniFrac analysis and sediment environmental parameters indicate that the vertical distribution of archaea closely coincides with the variation of sediment total organic carbon content and grain size.
- inner continental shelf,
- the East China Sea,
- mud wedge,
- archaeal,
- vertical distribution,
- biodiversity

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References(27)

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