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Spatial distribution of planktonic bacterial and archaeal communities in the upper section of the tidal reach in Yangtze River.


ABSTRACT: Bacterioplankton and archaeaplankton communities play key roles in the biogeochemical processes of water, and they may be affected by many factors. In this study, we used high-throughput 16S rRNA gene sequencing to profile planktonic bacterial and archaeal community compositions in the upper section of the tidal reach in Yangtze River. We found that the predominant bacterial phyla in this river section were Proteobacteria, Firmicutes, and Actinobacteria, whereas the predominant archaeal classes were Halobacteria, Methanomicrobia, and unclassified Euryarchaeota. Additionally, the bacterial and archaeal community compositions, richnesses, functional profiles, and ordinations were affected by the spatial heterogeneity related to the concentration changes of sulphate or nitrate. Notably, the bacterial community was more sensitive than the archaeal community to changes in the spatial characteristics of this river section. These findings provide important insights into the distributions of bacterial and archaeal communities in natural water habitats.

SUBMITTER: Fan L 

PROVIDER: S-EPMC5155431 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Spatial distribution of planktonic bacterial and archaeal communities in the upper section of the tidal reach in Yangtze River.

Fan Limin L   Song Chao C   Meng Shunlong S   Qiu Liping L   Zheng Yao Y   Wu Wei W   Qu Jianhong J   Li Dandan D   Zhang Cong C   Hu Gengdong G   Chen Jiazhang J  

Scientific reports 20161214


Bacterioplankton and archaeaplankton communities play key roles in the biogeochemical processes of water, and they may be affected by many factors. In this study, we used high-throughput 16S rRNA gene sequencing to profile planktonic bacterial and archaeal community compositions in the upper section of the tidal reach in Yangtze River. We found that the predominant bacterial phyla in this river section were Proteobacteria, Firmicutes, and Actinobacteria, whereas the predominant archaeal classes  ...[more]

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