Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status

Abstract Although bacterioplankton play an important role in aquatic ecosystems, less is known about bacterioplankton assemblages from subtropical karst reservoirs of southwestern China with contrasting trophic status. Here, 16S rRNA gene next-generation sequencing coupled with water chemistry analy...

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Autores principales:	Qiang Li, Yadan Huang, Shenglin Xin, Zhongyi Li
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/946c7056a3c34fddb62e4e0d44f2eb10
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spelling	oai:doaj.org-article:946c7056a3c34fddb62e4e0d44f2eb102021-12-02T13:58:13ZComparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status10.1038/s41598-020-78459-z2045-2322https://doaj.org/article/946c7056a3c34fddb62e4e0d44f2eb102020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78459-zhttps://doaj.org/toc/2045-2322Abstract Although bacterioplankton play an important role in aquatic ecosystems, less is known about bacterioplankton assemblages from subtropical karst reservoirs of southwestern China with contrasting trophic status. Here, 16S rRNA gene next-generation sequencing coupled with water chemistry analysis was applied to compare the bacterioplankton communities from a light eutrophic reservoir, DL Reservoir, and a mesotrophic reservoir, WL Reservoir, in subtropical karst area of southwestern China. Our findings indicated that Proteobacteria, Firmicutes, Actinobacteria, Bacteroidetes, Cyanobacteria and Verrucomicrobia dominated bacterioplankton community with contrasting relative frequency in the two subtropical karst reservoirs. Proteobacteria and Bacteroidetes were the core communities, which played important roles in karst biogeochemical cycles. Though WT, TN and DOC play the decisive role in assembling karst aquatic bacterioplankton, trophic status exerted significantly negative direct effects on bacterioplankton community composition and alpha diversity. Due to contrasting trophic status in the two reservoirs, the dominant taxa such as Enterobacter, Clostridium sensu stricto, Candidatus Methylacidiphilum and Flavobacteriia, that harbor potential functions as valuable and natural indicators of karst water health status, differed in DL Reservoir and WL Reservoir.Qiang LiYadan HuangShenglin XinZhongyi LiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Qiang Li Yadan Huang Shenglin Xin Zhongyi Li Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
description	Abstract Although bacterioplankton play an important role in aquatic ecosystems, less is known about bacterioplankton assemblages from subtropical karst reservoirs of southwestern China with contrasting trophic status. Here, 16S rRNA gene next-generation sequencing coupled with water chemistry analysis was applied to compare the bacterioplankton communities from a light eutrophic reservoir, DL Reservoir, and a mesotrophic reservoir, WL Reservoir, in subtropical karst area of southwestern China. Our findings indicated that Proteobacteria, Firmicutes, Actinobacteria, Bacteroidetes, Cyanobacteria and Verrucomicrobia dominated bacterioplankton community with contrasting relative frequency in the two subtropical karst reservoirs. Proteobacteria and Bacteroidetes were the core communities, which played important roles in karst biogeochemical cycles. Though WT, TN and DOC play the decisive role in assembling karst aquatic bacterioplankton, trophic status exerted significantly negative direct effects on bacterioplankton community composition and alpha diversity. Due to contrasting trophic status in the two reservoirs, the dominant taxa such as Enterobacter, Clostridium sensu stricto, Candidatus Methylacidiphilum and Flavobacteriia, that harbor potential functions as valuable and natural indicators of karst water health status, differed in DL Reservoir and WL Reservoir.
format	article
author	Qiang Li Yadan Huang Shenglin Xin Zhongyi Li
author_facet	Qiang Li Yadan Huang Shenglin Xin Zhongyi Li
author_sort	Qiang Li
title	Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
title_short	Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
title_full	Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
title_fullStr	Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
title_full_unstemmed	Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status
title_sort	comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern china with contrasting trophic status
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/946c7056a3c34fddb62e4e0d44f2eb10
work_keys_str_mv	AT qiangli comparativeanalysisofbacterioplanktonassemblagesfromtwosubtropicalkarstreservoirsofsouthwesternchinawithcontrastingtrophicstatus AT yadanhuang comparativeanalysisofbacterioplanktonassemblagesfromtwosubtropicalkarstreservoirsofsouthwesternchinawithcontrastingtrophicstatus AT shenglinxin comparativeanalysisofbacterioplanktonassemblagesfromtwosubtropicalkarstreservoirsofsouthwesternchinawithcontrastingtrophicstatus AT zhongyili comparativeanalysisofbacterioplanktonassemblagesfromtwosubtropicalkarstreservoirsofsouthwesternchinawithcontrastingtrophicstatus
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Comparative analysis of bacterioplankton assemblages from two subtropical karst reservoirs of southwestern China with contrasting trophic status

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