Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes
The responsive alterations of soil microbial communities driven by continuous maize cropping (CC) and their assembly mechanisms constitute a fundamental scientific question for the sustainability of agricultural ecosystems. However, the assembly processes of microbial communities and their microecol...
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Frontiers Media S.A.
2025-06-01
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| Series: | Frontiers in Microbiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2025.1618629/full |
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| author | Yan-Liang Han Fang-Kun Yang Fang-Kun Yang Shu-Ping He Jia-Cheng Guo Yue Zou Yun-Xu Shang Peng Liu Peng-Yang Wang Xing Wang Ze-Ying Zhao Juan Wang Chun-Qing Miao |
| author_facet | Yan-Liang Han Fang-Kun Yang Fang-Kun Yang Shu-Ping He Jia-Cheng Guo Yue Zou Yun-Xu Shang Peng Liu Peng-Yang Wang Xing Wang Ze-Ying Zhao Juan Wang Chun-Qing Miao |
| author_sort | Yan-Liang Han |
| collection | DOAJ |
| description | The responsive alterations of soil microbial communities driven by continuous maize cropping (CC) and their assembly mechanisms constitute a fundamental scientific question for the sustainability of agricultural ecosystems. However, the assembly processes of microbial communities and their microecological effects under long-term CC remain poorly understood. We hypothesized that maize CC drives predictable shifts in microbial community assembly via increased deterministic selection. To address this, we established a short- to long-term CC gradient (1–25 years). We found that CC significantly altered microbial community structure, the relative abundance of dominant bacterial genera increased with CC years (CCY), whereas dominant fungal genera exhibited a declining trend. Co-occurrence network analysis revealed that long-term CC led to enhanced modularity in bacterial networks and a sharp decline in the proportion of negative correlations. Additionally, our findings reveal a transition from stochastic to heterogeneous selection-dominated processes over time, with microbial diversity metrics showing strong linear relationships with CC duration. This study elucidates how CC shapes convergent-divergent trajectories of microbial communities through heterogeneous selection pressures, providing theoretical support for guiding targeted soil microecological management. |
| format | Article |
| id | doaj-art-2c3c7fa649bf44c4aa804e95a8c8563c |
| institution | OA Journals |
| issn | 1664-302X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Microbiology |
| spelling | doaj-art-2c3c7fa649bf44c4aa804e95a8c8563c2025-08-20T02:10:23ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2025-06-011610.3389/fmicb.2025.16186291618629Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processesYan-Liang Han0Fang-Kun Yang1Fang-Kun Yang2Shu-Ping He3Jia-Cheng Guo4Yue Zou5Yun-Xu Shang6Peng Liu7Peng-Yang Wang8Xing Wang9Ze-Ying Zhao10Juan Wang11Chun-Qing Miao12Zhangye Academy of Agricultural Sciences, Zhangye, ChinaKey Laboratory of Biodiversity Formation Mechanism and Comprehensive Utilization of the Qinghai-Tibet Plateau in Qinghai Province, College of Life Sciences, Qinghai Normal University, Xining, ChinaState Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, ChinaZhangye Academy of Agricultural Sciences, Zhangye, ChinaState Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, ChinaZhangye Academy of Agricultural Sciences, Zhangye, ChinaState Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, ChinaGansu Farms and Land Reclamation Yasheng Group, Gansu Zhongkenyu Seed Industry Co., Ltd., Zhangye, ChinaState Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, ChinaZhangye Academy of Agricultural Sciences, Zhangye, ChinaState Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, ChinaZhangye Academy of Agricultural Sciences, Zhangye, ChinaZhangye Academy of Agricultural Sciences, Zhangye, ChinaThe responsive alterations of soil microbial communities driven by continuous maize cropping (CC) and their assembly mechanisms constitute a fundamental scientific question for the sustainability of agricultural ecosystems. However, the assembly processes of microbial communities and their microecological effects under long-term CC remain poorly understood. We hypothesized that maize CC drives predictable shifts in microbial community assembly via increased deterministic selection. To address this, we established a short- to long-term CC gradient (1–25 years). We found that CC significantly altered microbial community structure, the relative abundance of dominant bacterial genera increased with CC years (CCY), whereas dominant fungal genera exhibited a declining trend. Co-occurrence network analysis revealed that long-term CC led to enhanced modularity in bacterial networks and a sharp decline in the proportion of negative correlations. Additionally, our findings reveal a transition from stochastic to heterogeneous selection-dominated processes over time, with microbial diversity metrics showing strong linear relationships with CC duration. This study elucidates how CC shapes convergent-divergent trajectories of microbial communities through heterogeneous selection pressures, providing theoretical support for guiding targeted soil microecological management.https://www.frontiersin.org/articles/10.3389/fmicb.2025.1618629/fullcontinuous maize croppingmicrobial community assemblyconvergent-divergent successionco-occurrence networksmicroecological management |
| spellingShingle | Yan-Liang Han Fang-Kun Yang Fang-Kun Yang Shu-Ping He Jia-Cheng Guo Yue Zou Yun-Xu Shang Peng Liu Peng-Yang Wang Xing Wang Ze-Ying Zhao Juan Wang Chun-Qing Miao Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes Frontiers in Microbiology continuous maize cropping microbial community assembly convergent-divergent succession co-occurrence networks microecological management |
| title | Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| title_full | Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| title_fullStr | Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| title_full_unstemmed | Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| title_short | Convergent-divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| title_sort | convergent divergent succession of soil microbial communities driven by continuous maize cropping duration via heterogeneous selection processes |
| topic | continuous maize cropping microbial community assembly convergent-divergent succession co-occurrence networks microecological management |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2025.1618629/full |
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