Spatial distribution characteristics of bacterial community structure and gene abundance in sediments of the Bohai Sea

Quanrui Chen; Jingfeng Fan; Jie Su; Hongxia Ming; Zhihao Sun; Mengfei Li; Xiaohui Zhao; Yantao Wang; Yingxue Zhang; Huizhen Zhang; Yuan Jin; Xiaowan Ma; Bin Wang

doi:10.1007/s13131-020-1554-8

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Article Navigation > Acta Oceanologica Sinica > 2020 > 39(2): 69-78

Quanrui Chen, Jingfeng Fan, Jie Su, Hongxia Ming, Zhihao Sun, Mengfei Li, Xiaohui Zhao, Yantao Wang, Yingxue Zhang, Huizhen Zhang, Yuan Jin, Xiaowan Ma, Bin Wang. Spatial distribution characteristics of bacterial community structure and gene abundance in sediments of the Bohai Sea[J]. Acta Oceanologica Sinica, 2020, 39(2): 69-78. doi: 10.1007/s13131-020-1554-8

Citation:

Quanrui Chen, Jingfeng Fan, Jie Su, Hongxia Ming, Zhihao Sun, Mengfei Li, Xiaohui Zhao, Yantao Wang, Yingxue Zhang, Huizhen Zhang, Yuan Jin, Xiaowan Ma, Bin Wang. Spatial distribution characteristics of bacterial community structure and gene abundance in sediments of the Bohai Sea[J]. Acta Oceanologica Sinica, 2020, 39(2): 69-78. doi: 10.1007/s13131-020-1554-8

Citation:

Quanrui Chen, Jingfeng Fan, Jie Su, Hongxia Ming, Zhihao Sun, Mengfei Li, Xiaohui Zhao, Yantao Wang, Yingxue Zhang, Huizhen Zhang, Yuan Jin, Xiaowan Ma, Bin Wang. Spatial distribution characteristics of bacterial community structure and gene abundance in sediments of the Bohai Sea[J]. Acta Oceanologica Sinica, 2020, 39(2): 69-78. doi: 10.1007/s13131-020-1554-8

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Spatial distribution characteristics of bacterial community structure and gene abundance in sediments of the Bohai Sea

doi: 10.1007/s13131-020-1554-8

Quanrui Chen^{1, 2},
Jingfeng Fan^{1, 3
,
,},
Jie Su¹,
Hongxia Ming¹,
Zhihao Sun^{1, 2},
Mengfei Li^{1, 2},
Xiaohui Zhao^{1, 2},
Yantao Wang^{1, 2},
Yingxue Zhang^{1, 2},
Huizhen Zhang¹,
Yuan Jin³,
Xiaowan Ma³,
Bin Wang²

1.
National Marine Environmental Monitoring Center, Dalian 116023, China
2.
College of Aquaculture and Life, Dalian Ocean University, Dalian 116023, China
3.
Fourth Institute of Oceanography, Ministry of Natural Resources, Beihai 536000, China

Funds: The National Key Basic Research Special Foundation of China under contract No. 2017YFC1404500; the National Natural Science Foundation of China under contract No. 41676115.

More Information

Corresponding author: E-mail: jffan@nmemc.org.cn
Received Date: 2018-09-20
Accepted Date: 2018-12-05

Available Online: 2020-04-21

Publish Date: 2020-02-25

Abstract

Abstract

This study investigated differences in the community structure and environmental responses of the bacterial community in sediments of the Bohai Sea. Illumina high-throughput sequencing technology and real-time PCR were used to assay the bacterial 16S rRNA genes in the surface sediments of 13 sampling stations in the Bohai Sea. The results showed that sediments at the majority of the 13 sampling stations were contaminated by heavy metal mercury. The main phyla of bacteria recorded included Proteobacteria (52.92%), Bacteroidetes (11.76%), Planctomycetes (7.39%), Acidobacteria (6.53%) and Chloroflexi (4.97%). The genus with the highest relative abundance was Desulfobulbus (4.99%), which was the dominant genus at most sampling stations, followed by Lutimonas and Halioglobus. The main factors influencing bacterial community structure were total organic carbon, followed by depth and total phosphorus. The content of lead, cadmium, chromium, copper and zinc had a consistent effect on community structure. Arsenic showed a negative correlation with bacterial community structure in most samples, while the impact of mercury on community structure was not significant. The bacterial community in sediment samples from the Bohai Sea was rich in diversity and displayed an increase in diversity from high to low latitudes. The data indicated that the Bohai Sea had abundant microbial resources and was rich in bacteria with the potential to metabolize many types of pollutants.
- Bohai Sea sediments,
- bacterial community structure,
- high-throughput sequencing,
- 16S rRNA gene

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References(46)

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