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Co-occurrence patterns and environmental drivers of bacteria and archaea in Yuncheng Salt Lake
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Jing YANG1, Chuanxu WANG1, Zhuo WANG1, Jia FENG2, Shulian XIE2, Xin LI1, 3
Acta Microbiologica Sinica | 2026, 66(6) : 2695 - 2708
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Acta Microbiologica Sinica | 2026, 66(6): 2695-2708
• Research Article •
Co-occurrence patterns and environmental drivers of bacteria and archaea in Yuncheng Salt Lake
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Jing YANG1, Chuanxu WANG1, Zhuo WANG1, Jia FENG2, Shulian XIE2, Xin LI1, 3
Affiliations
  • 1.Shanxi Key Laboratory of Yuncheng Salt Lake Ecological Protection and Resource Utilization, Life Sciences Department, Yuncheng University, Yuncheng, Shanxi, China
  • 2.School of Life Science, Shanxi University, Taiyuan, Shanxi, China
  • 3.Department of Biology, Xinzhou Normal University, Xinzhou, Shanxi, China
Published: 2026-06-04 doi: 10.13343/j.cnki.wsxb.20250650
Outline
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Objective To elucidate the community structures and environmental adaptation mechanisms of bacteria and archaea in the sodium sulfate-type Yuncheng Salt Lake in Shanxi Province, China and explore the assembly patterns of microbial interaction networks under extreme hypersaline conditions. The findings are expected to provide a theoretical basis for assessing the ecosystem functions of salt lakes and developing halophilic microbial resources. Methods Water samples were collected from 10 sampling sites with salinity gradients of 6.0%-34.2% in Yuncheng Salt Lake. The physicochemical analysis of water quality, high-throughput 16S rRNA gene sequencing, molecular ecological network analysis, and multivariate statistical methods were employed to systematically investigate the microbial community structure and its interactions with environmental factors. Results The dominant taxa included Euryarchaeota, Pseudomonadota, and Bacteroidota. Archaea were primarily represented by Halarchaeum and Halorubrum, while the dominant bacterial genera were Roseovarius and Spiribacter. A microbial network consisting of 53 nodes and 73 edges was constructed, with negative correlations accounting for 63%. Key taxa included Halolamina, Geitlerinema, and Halorubrum. Salinity, nitrogen, and sulfide emerged as the three core drivers with high connectivity in the network, exhibiting significant correlations with multiple microbial groups. Conclusion Microbial community assembly in Yuncheng Salt Lake is dominated by negative correlations (e.g., potential competition, niche differentiation, or environmental stress), and this highly competitive network structure enhances the system resistance to environmental disturbances. The study reveals unique microbial adaptation strategies in sodium sulfate-type salt lakes and provides new insights for the exploitation of extremophilic microbial resources.

sodium sulfate-type salt lake  /  microbial community assembly  /  halophilic microorganisms  /  co-occurrence network  /  environmental drivers
Jing YANG, Chuanxu WANG, Zhuo WANG, Jia FENG, Shulian XIE, Xin LI. Co-occurrence patterns and environmental drivers of bacteria and archaea in Yuncheng Salt Lake[J]. Acta Microbiologica Sinica, 2026 , 66 (6) : 2695 -2708 . DOI: 10.13343/j.cnki.wsxb.20250650
Funding
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  • the Special Fund for Science and Technology Innovation Teams of Shanxi Province(202204051001035)
  • the Fundamental Research Program of Shanxi Province(202303021222246)
  • the “Listed and Commanded” Project from Yuncheng Salt Lake Protection and Utilization Research Institute of Shanxi Province(YHYJ-2023003)
  • the Doctoral Research Start-up Project(YQ-2023003)
  • the Yuncheng City Science and Technology Project(YCKJ-2024022)
Appendix
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Year 2026 volume 66 Issue 6
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20
8
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Article Info
doi: 10.13343/j.cnki.wsxb.20250650
  • Receive Date：2025-08-24
  • Online Date：2026-06-17
  • Published：2026-06-04
Article Data
Affiliations
History
  • Received：2025-08-24
  • Accepted：2025-09-11
Funding
the Special Fund for Science and Technology Innovation Teams of Shanxi Province(202204051001035)
the Fundamental Research Program of Shanxi Province(202303021222246)
the “Listed and Commanded” Project from Yuncheng Salt Lake Protection and Utilization Research Institute of Shanxi Province(YHYJ-2023003)
the Doctoral Research Start-up Project(YQ-2023003)
the Yuncheng City Science and Technology Project(YCKJ-2024022)
Affiliations
    1.Shanxi Key Laboratory of Yuncheng Salt Lake Ecological Protection and Resource Utilization, Life Sciences Department, Yuncheng University, Yuncheng, Shanxi, China
    2.School of Life Science, Shanxi University, Taiyuan, Shanxi, China
    3.Department of Biology, Xinzhou Normal University, Xinzhou, Shanxi, China

Corresponding:

E-mail: YANG Jing,
LI Xin,
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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