Spatial distribution of bacterial communities driven by multiple environmental factors in a beach wetland of the largest freshwater lake in China

Frontiers in Microbiology
Xia DingMing Nie

Abstract

The spatial distributions of bacterial communities may be driven by multiple environmental factors. Thus, understanding the relationships between bacterial distribution and environmental factors is critical for understanding wetland stability and the functioning of freshwater lakes. However, little research on the bacterial communities in deep sediment layers exists. In this study, thirty clone libraries of 16S rRNA were constructed from a beach wetland of the Poyang Lake along both horizontal (distance to the water-land junction) and vertical (sediment depth) gradients to assess the effects of sediment properties on bacterial community structure and diversity. Our results showed that bacterial diversity increased along the horizontal gradient and decreased along the vertical gradient. The heterogeneous sediment properties along gradients substantially affected the dominant bacterial groups at the phylum and species levels. For example, the NH(+) 4 concentration decreased with increasing depth, which was positively correlated with the relative abundance of Alphaproteobacteria. The changes in bacterial diversity and dominant bacterial groups showed that the top layer had a different bacterial community structure than the deeper ...Continue Reading

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Citations

Nov 15, 2016·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Sampada PuranikHemant J Purohit
Oct 17, 2018·Ecological Applications : a Publication of the Ecological Society of America·Jessica B MoonKusum J Naithani
Nov 11, 2019·Journal of Applied Microbiology·A K SaxenaD J Bagyaraj
Jul 8, 2017·Environmental Science and Pollution Research International·Hainan WuXiaoxiao Zhu
Jun 20, 2019·Frontiers in Public Health·Nafisa AzmudaNils-Kåre Birkeland
May 15, 2020·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Ran SunXiaohui Mi
Nov 21, 2020·The Science of the Total Environment·Ruichang ShenJiakuan Chen
Jun 15, 2021·The Science of the Total Environment·Joseph Frazer BandaHailiang Dong
Jul 22, 2021·Anais Da Academia Brasileira De Ciências·Priscila R JankoskiAmanda S DA Motta
Mar 7, 2020·The Science of the Total Environment·Binhao WangQingyun Yan

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Methods Mentioned

BETA
PCR
PCA

Software Mentioned

SigmaPlot
Mothur
Multivariate Statistical Package ( MVSP
SigmaStat
SysStat

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