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Advances in Earth Science  2010, Vol. 25 Issue (7): 766-774    DOI: 10.11867/j.issn.1001-8166.2010.07.0766
Diversity of Achaea Communities in Deep Sea Sediments from the Sulu Sea
Wang Jianfei1, Saren Gaowa2, Li Tiegang2, Shen Zhiyi1, Yu Xinke2
1.College of Animal Science and Medicine; Inner Mongolia Agricultural University, Hohhot 010018, China;
2.Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences,Qingdao 266071, China
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To study the archaeal diversity of deep-sea sediments in the tropical Western Pacific, we investigated the archaeal community structure in six sediments subsamples along the MD3059 sediment core collected during the IMAGES ⅪⅤ cruise with 16S rDNA analysis. A total of 543 archaeal 16S rDNA clones were examined and a total of 137 OTUs were obtained. Phylogenetic results showed that the archaeal diversity in the collected samples was very diverse, and the obtained OTUs were grouped into Crenarchaeota and Euryarchaeota, with the former dominated by Miscellaneous Crenarchaeotic Group (MCG, 54% of total archaeal clones) and the latter dominated by Marine Benthic Group D (MBG-D), South African Gold Mine Euryarchaeotic Group (SAGMEG) and Marine Benthic Group B (MBG-B). These data have important implications for our understanding of archaeal community in deep-sea sediments of the tropical Western Pacific.

Key words:  The Sulu Sea      Marine sediment      Achaea      Distribution     
Received:  30 April 2010      Published:  10 July 2010
Corresponding Authors:  YU Xinke     E-mail:
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Wang Jianfei, Saren Gaowa, Li Tiegang, Shen Zhiyi, Yu Xinke. Diversity of Achaea Communities in Deep Sea Sediments from the Sulu Sea. Advances in Earth Science, 2010, 25(7): 766-774.

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