The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau
Geothermal spring ecosystems, as extreme habitats, exert significant environmental pressure on their microeukaryotic communities. However, existing studies on the stability of microeukaryotic communities in geothermal ecosystems across different habitats and temperature gradients are still limited....
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Frontiers Media S.A.
2025-02-01
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| Series: | Frontiers in Microbiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2025.1513944/full |
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| author | Bingjie Yan Bingjie Yan Xiaodong Li Xiaodong Li Nanqian Qiao Nanqian Qiao Zhen Da Zhen Da Jiajie Xu Jiajie Xu Chuanqi Jiang Sang Ba Sang Ba |
| author_facet | Bingjie Yan Bingjie Yan Xiaodong Li Xiaodong Li Nanqian Qiao Nanqian Qiao Zhen Da Zhen Da Jiajie Xu Jiajie Xu Chuanqi Jiang Sang Ba Sang Ba |
| author_sort | Bingjie Yan |
| collection | DOAJ |
| description | Geothermal spring ecosystems, as extreme habitats, exert significant environmental pressure on their microeukaryotic communities. However, existing studies on the stability of microeukaryotic communities in geothermal ecosystems across different habitats and temperature gradients are still limited. In this study, we used high-throughput 18S rDNA sequencing in combination with environmental factor analysis to investigate the co-occurrence patterns, assembly mechanisms, and responses to environmental changes of microeukaryotic communities in sediment and water samples from 36 geothermal springs across different temperature gradients in southern Tibet. The results show that with increasing temperature, the network stability of microeukaryotic communities in sediments significantly improved, while the stability in water communities decreased. The assembly mechanisms of microeukaryotic communities in both sediment and water were primarily driven by undominant processes within stochastic processes. Latitude and longitude were the key factors influencing changes in sediment community composition, while water temperature and electrical conductivity were the major environmental factors affecting water community composition. Additionally, the stability of the geothermal community network was closely related to its response to external disturbances: sediment communities, being in relatively stable environments, demonstrated higher resistance to disturbances, whereas water communities, influenced by environmental changes such as water flow and precipitation, exhibited greater dynamic variability. These findings not only enhance our understanding of the ecological adaptability of microeukaryotic communities in geothermal springs but also provide valuable insights into how microorganisms in extreme environments respond to external disturbances. This is especially significant for understanding how microeukaryotic communities maintain ecological stability under highly dynamic and stressful environmental conditions. |
| format | Article |
| id | doaj-art-34b637a0d36e4c9c9339d7ca8483991d |
| institution | Kabale University |
| issn | 1664-302X |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Microbiology |
| spelling | doaj-art-34b637a0d36e4c9c9339d7ca8483991d2025-02-04T06:32:02ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2025-02-011610.3389/fmicb.2025.15139441513944The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet PlateauBingjie Yan0Bingjie Yan1Xiaodong Li2Xiaodong Li3Nanqian Qiao4Nanqian Qiao5Zhen Da6Zhen Da7Jiajie Xu8Jiajie Xu9Chuanqi Jiang10Sang Ba11Sang Ba12Laboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaLaboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaLaboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaLaboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaLaboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaKey Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Wuhan, ChinaLaboratory of Wetland and Watershed Ecowaters of Tibetan Plateau, Tibet University, Lhasa, ChinaProvincial Level of Mitika Wetland Ecosystem Observation and Research Station in Tibet Autonomous Region, Nagqu, ChinaGeothermal spring ecosystems, as extreme habitats, exert significant environmental pressure on their microeukaryotic communities. However, existing studies on the stability of microeukaryotic communities in geothermal ecosystems across different habitats and temperature gradients are still limited. In this study, we used high-throughput 18S rDNA sequencing in combination with environmental factor analysis to investigate the co-occurrence patterns, assembly mechanisms, and responses to environmental changes of microeukaryotic communities in sediment and water samples from 36 geothermal springs across different temperature gradients in southern Tibet. The results show that with increasing temperature, the network stability of microeukaryotic communities in sediments significantly improved, while the stability in water communities decreased. The assembly mechanisms of microeukaryotic communities in both sediment and water were primarily driven by undominant processes within stochastic processes. Latitude and longitude were the key factors influencing changes in sediment community composition, while water temperature and electrical conductivity were the major environmental factors affecting water community composition. Additionally, the stability of the geothermal community network was closely related to its response to external disturbances: sediment communities, being in relatively stable environments, demonstrated higher resistance to disturbances, whereas water communities, influenced by environmental changes such as water flow and precipitation, exhibited greater dynamic variability. These findings not only enhance our understanding of the ecological adaptability of microeukaryotic communities in geothermal springs but also provide valuable insights into how microorganisms in extreme environments respond to external disturbances. This is especially significant for understanding how microeukaryotic communities maintain ecological stability under highly dynamic and stressful environmental conditions.https://www.frontiersin.org/articles/10.3389/fmicb.2025.1513944/fullQinghai-Tibet Plateaumicroeukaryotic communitiesecological network stabilitygeothermal ecosystemscommunity assembly |
| spellingShingle | Bingjie Yan Bingjie Yan Xiaodong Li Xiaodong Li Nanqian Qiao Nanqian Qiao Zhen Da Zhen Da Jiajie Xu Jiajie Xu Chuanqi Jiang Sang Ba Sang Ba The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau Frontiers in Microbiology Qinghai-Tibet Plateau microeukaryotic communities ecological network stability geothermal ecosystems community assembly |
| title | The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau |
| title_full | The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau |
| title_fullStr | The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau |
| title_full_unstemmed | The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau |
| title_short | The co-occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the Qinghai-Tibet Plateau |
| title_sort | co occurrence patterns and assembly mechanisms of microeukaryotic communities in geothermal ecosystems of the qinghai tibet plateau |
| topic | Qinghai-Tibet Plateau microeukaryotic communities ecological network stability geothermal ecosystems community assembly |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2025.1513944/full |
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