Effects of shining pondweed (Potamogeton lucens) on bacterial communities in water and rhizosphere sediments in Nansi Lake, China
文献类型： 外文期刊
作者： Zhang, Nianxin 1 ; Wu, Mengmeng 2 ; Che, Yuying 1 ; Kong, Yong 1 ; Shu, Fengyue 1 ; Wang, Qingfeng 3 ; Sha, Weilai 1 ; Gong, Zhijin 1 ; Zhou, Jing 1 ;
作者机构： 1.Qufu Normal Univ, Sch Life Sci, Jining 273165, Peoples R China
2.Shandong Freshwater Fisheries Res Inst, Jinan 250013, Peoples R China
3.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai, Peoples R China
关键词： Potamogeton lucens Linn; Bacterial community; qPCR; Lake ecosystem; Shining pondweed; Water purification
期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：5.19； 五年影响因子：5.053 ）
ISSN： 0944-1344
年卷期： 2022 年 29 卷 34 期
页码：
收录情况： SCI
摘要： Submerged macrophytes and microbial communities are important parts of lake ecosystems. In this study, the bacterial community composition in rhizosphere sediments and water from areas cultivated with (PL) and without (CK) shining pondweed (Potamogeton lucens Linn.) was investigated to determine the effects of P. lucens Linn. on the structure of the bacterial communities in Nansi Lake, China. Molecular techniques, including Illumina MiSeq and qPCR targeting of the 16S rRNA gene, were used to analyze the composition and abundance of the bacterial community. We found that bacterial alpha diversity was higher in PL water than in CK water, and the opposite trend was observed in sediment. In addition, 16S rRNA gene copy number in sediment was lower in PL than in CK. We found 30 (e.g., Desulfatiglans) and 29 (e.g., Limnohabitans) significantly different genera in sediment and water, respectively. P. lucens Linn. can change chemical properties in sediment and water and thereby affect the bacterial community. At the genus level, members of bacterial community clustered according to source (water/sediment) and area (PL/CK). Our study demonstrated that submerged macrophytes can affect the bacterial community composition in both sediment and water, suggesting that submerged macrophytes affect the transportation and cycling of nutrients in lake ecosystems.
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