文献类型： 外文期刊
作者： Pu, Wenmiao 1 ; Wang, Mingyu 1 ; Song, Dan 5 ; Zhao, Wei 5 ; Sheng, Xuran 5 ; Huo, Tangbin 5 ; Du, Xue 5 ; Sui, Xin 1 ;
作者机构： 1.Heilongjiang Univ, Engn Res Ctr Agr Microbiol Technol, Minist Educ, Harbin 150080, Peoples R China
2.Heilongjiang Univ, Heilongjiang Prov Key Lab Ecol Restorat & Resource, Harbin 150080, Peoples R China
3.Heilongjiang Univ, Coll Heilongjiang Prov, Key Lab Microbiol, Harbin 150080, Peoples R China
4.Heilongjiang Univ, Sch Life Sci, Harbin 150080, Peoples R China
5.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Heilongjiang River Basin Fishery Ecol Environm Mon, Minist Agr & Rural Affairs, Harbin 150010, Peoples R China
6.Dalian Ocean Univ, Coll Marine Sci & Environm, 52 Heishijiao St, Dalian 116023, Peoples R China
7.Sichuan Agr Univ, Coll Anim Sci & Technol, Chengdu 611130, Peoples R China
关键词： Lianhuan Lake; sedimental bacteria; physicochemical property
期刊名称：MICROORGANISMS （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN：
年卷期： 2024 年 12 卷 9 期
页码：
收录情况： SCI
摘要： Lake microbiota play a crucial role in geochemical cycles, influencing both energy flow and material production. However, the distribution patterns of bacterial communities in lake sediments remain largely unclear. In this study, we used 16S rRNA high-throughput sequencing technology to investigate the bacterial structure and diversity in sediments across different locations (six independent lakes) within Lianhuan Lake and analyzed their relationship with environmental factors. Our findings revealed that both the alpha and beta diversity of sediment bacterial communities varied significantly among the six independent lakes. Furthermore, changes between lakes had a significant impact on the relative abundance of bacterial phyla, such as Pseudomonadota and Chloroflexota. The relative abundance of Pseudomonadota was highest in Habuta Lake and lowest in Xihulu Lake, while Chloroflexota abundance was lowest in Habuta Lake and highest in Tiehala Lake. At the genus level, the relative abundance of Luteitalea was highest in Xihulu Lake compared to the other five lakes, whereas the relative abundances of Clostridium, Thiobacillus, and Ilumatobacter were highest in Habuta Lake. Mantel tests and heatmaps revealed that the relative abundance of Pseudomonadota was significantly negatively correlated with pH, while the abundance of Chloroflexota was significantly positively correlated with total phosphorus and total nitrogen in water, and negatively correlated with electrical conductivity. In conclusion, this study significantly enhances our understanding of bacterial communities in the different lakes within the Lianhuan Lake watershed.
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