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Authors: Jie Su 1 ; Hongxia Ming 1 ; Quanrui Chen 2 ; Yuan Jin 3 ; Chunxin Zhang 2 ; Daoming Guan 1 and Jingfeng Fan 3

Affiliations: 1 Key Laboratory for Ecological Environmental in Coastal Areas(SOA), National Marine Environmental Monitoring Center and Dalian, China ; 2 Key Laboratory for Ecological Environmental in Coastal Areas(SOA), National Marine Environmental Monitoring Center, Dalian, College of Fisheries and Life Science, Dalian Ocean University and Dalian, China ; 3 Key Laboratory for Ecological Environmental in Coastal Areas(SOA), National Marine Environmental Monitoring Center, Dalian, Fourth Institute of Oceanography, State Oceanic Administration and Beihai, China

Keyword(s): Phylogenetic diversity, deep-sea sediments, South China Sea

Abstract: RuBisCO is the key enzyme catalyzing the first and major step of carbon fixation in Calvin cycle. With the aim to examine the phylogenetic diversity of RuBisCO genes, cbbL gene was amplified by PCR from three South China Sea deep-sea sample, cloned, and sequenced. A total of 28 OTUs deriving from 236 cbbL clones covered 16 phylotypes which all belong to Proteobacteria. The estimated coverage values showed that more than 85% of bacterial cbbL diversity was captured. Shannon and Simpson indices indicated a high diversity of the total cbbL gene in the SCS deep-sea sediments. In conclusion, microbial RuBisCO genes in the South China Sea display a broad range of phylogenetic diversity. The predominant group in these three deep-sea sediments included Thiobacillus and Thiorhodococcus, which was chemoautotrophic bacteria involving in Calvin–Benson–Bassham cycle. The above results implicate that bacteria with the potential for carbon dioxide fixation and chemoautotrophy oocur in the South Chi na Sea. (More)

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Paper citation in several formats:
Su, J.; Ming, H.; Chen, Q.; Jin, Y.; Zhang, C.; Guan, D. and Fan, J. (2018). Distribution and Phylogenetic Diversity of CbbL Gene Encoding RuBisCo in the Deep-sea Sediments from the South China Sea. In Proceedings of the International Workshop on Environment and Geoscience - IWEG; ISBN 978-989-758-342-1, SciTePress, pages 5-10. DOI: 10.5220/0007424900050010

@conference{iweg18,
author={Jie Su. and Hongxia Ming. and Quanrui Chen. and Yuan Jin. and Chunxin Zhang. and Daoming Guan. and Jingfeng Fan.},
title={Distribution and Phylogenetic Diversity of CbbL Gene Encoding RuBisCo in the Deep-sea Sediments from the South China Sea},
booktitle={Proceedings of the International Workshop on Environment and Geoscience - IWEG},
year={2018},
pages={5-10},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007424900050010},
isbn={978-989-758-342-1},
}

TY - CONF

JO - Proceedings of the International Workshop on Environment and Geoscience - IWEG
TI - Distribution and Phylogenetic Diversity of CbbL Gene Encoding RuBisCo in the Deep-sea Sediments from the South China Sea
SN - 978-989-758-342-1
AU - Su, J.
AU - Ming, H.
AU - Chen, Q.
AU - Jin, Y.
AU - Zhang, C.
AU - Guan, D.
AU - Fan, J.
PY - 2018
SP - 5
EP - 10
DO - 10.5220/0007424900050010
PB - SciTePress

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