Abiotic Factors and Plant Communities Shape the Distribution of Soil Pathogenic Oomycetes in Chinese Grasslands
文献类型： 外文期刊
作者： Ke, Junsheng 1 ; Zhu, Chen 3 ; Jiang, Peixi 1 ; Zhang, Peng 1 ; Hu, Kui 1 ; Dang, Yilin 1 ; Xiao, Yao 1 ; Liu, Mu 1 ; Liu, Huiying 5 ; Liu, Xiang 1 ; Friman, Ville-Petri 7 ;
作者机构： 1.Lanzhou Univ, State Key Lab Herbage Improvement & Grassland Agro, Lanzhou 730000, Gansu, Peoples R China
2.Lanzhou Univ, Coll Ecol, Lanzhou 730000, Gansu, Peoples R China
3.Chinese Acad Agr Sci, Tea Res Inst, Key Lab Biol Genet & breeding Special Econ Anim &, Minist Agr & Rural Affairs, Hangzhou 310008, Peoples R China
4.Xi hu Natl Agr Expt Stn Soil Qual, Hangzhou 310008, Peoples R China
5.East China Normal Univ, Sch Ecol & Environm Sci, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, Zhejiang Tiantong Natl Stn Forest Ecosyst Res, Shanghai 200241, Peoples R China
6.East China Normal Univ, Inst Ecochongming IEC, Shanghai 202162, Peoples R China
7.Univ Helsinki, Dept Microbiol, Viikinkaari 9, Helsinki 00014, Finland
关键词： climate change; disease risk; grassland ecosystem; soil oomycete pathogen
期刊名称：ADVANCED SCIENCE （ 影响因子：14.1； 五年影响因子：15.6 ）
ISSN：
年卷期： 2025 年 12 卷 32 期
页码：
收录情况： SCI
摘要： The outbreaks of emerging phytopathogens constrain socioeconomic development globally and are expected to intensify in the future along with climate change. Oomycetes, a group of fungus-like eukaryotes, include many phytopathogenic species, making it critical to understand the drivers of their diversity and distribution. This work analyzes 972 soil samples from three major grassland types in China and found that soil phosphorus availability drove oomycete richness, while humidity and nitrogen content affected community composition. Pathogenic oomycete abundance is mostly influenced by precipitation, temperature seasonality, and plant species richness. This work creates a distribution atlas of pathogenic oomycete richness and abundance in Chinese grasslands, using space-for-time methods to predict future outbreak areas under climate change. Model predictions indicate a potential increased risk of oomycete disease in approximate to 42% of the grassland area under SSP 1-2.6 and SSP 5-8.5 climate scenarios, particularly in portions of typical and meadow grasslands. This study enhances the understanding of the drivers behind the distribution of pathogenic oomycetes and highlights the need for disease management strategies in the face of climate change.
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