Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea

Li Tao; Wang Peng

doi:10.1007/s13131-014-0543-1

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Li Tao, Wang Peng. Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea[J]. Acta Oceanologica Sinica, 2014, 33(10): 85-93. doi: 10.1007/s13131-014-0543-1

Citation:

Li Tao, Wang Peng. Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea[J]. Acta Oceanologica Sinica, 2014, 33(10): 85-93. doi: 10.1007/s13131-014-0543-1

Li Tao, Wang Peng. Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea[J]. Acta Oceanologica Sinica, 2014, 33(10): 85-93. doi: 10.1007/s13131-014-0543-1

Citation:

Li Tao, Wang Peng. Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea[J]. Acta Oceanologica Sinica, 2014, 33(10): 85-93. doi: 10.1007/s13131-014-0543-1

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Bacterial diversity in sediments of core MD05-2902 from the Xisha Trough, the South China Sea

doi: 10.1007/s13131-014-0543-1

Li Tao¹,
Wang Peng^2
,

1.
State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China;Guangzhou Marine Geological Survey, Guangzhou 510760, China
2.
State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China

Received Date: 2014-06-06
Rev Recd Date: 2013-10-01

Abstract

Abstract

A sediment core MD05-2902 was collected from the deep-sea basin of the Xisha Trough. The vertical distribution and diversity of bacteria in the core was investigated through ten sub-sampling with an interval of 1 m using bacterial 16S rRNA gene as a phylogenetic bio-marker. Eighteen phylogenetic groups were identified from 16S rRNA gene clone libraries. The dominant bacterial groups were JS1, Planctomycetes and Chloroflexi, which accounted for 30.6%, 16.6%, and 15.6% of bacterial clones in the libraries, respectively. In order to reveal the relationship between biotic and abiotic data, a nonmetric multidimensional scaling analysis was performed. The result revealed that the δ¹⁵N, δ¹³C, total organic carbon and total organic nitrogen possibly influenced the bacterial community structure. This study expanded our knowledge of the biogeochemical cycling in the Xisha Trough sediment.
- Xisha Trough,
- bacterial diversity,
- 16S rRNA gene

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References(36)

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