Biblioteca Origen csic Identificador Nature Communications 17: 1041 (2026) Identificador 2041-1723 Identificador http://hdl.handle.net/10261/417969 Identificador 10.1038/s41467-025-67797-z Título Mycorrhizal colonization of dryland tree establishment depends on soil microbial cooperation Autor Zi, Haiyun Autor Hua, Zhe Autor Wang, Yun Autor Liao, Yangwenke Autor Bei, Shuikuan Autor Cao, Fuliang Autor Delgado-Baquerizo, Manuel Autor Li, Xiaogang Resumen 14 páginas.- 6 figuras.- 74 referencias.-The online version contains supplementary material available at https://doi.org/10.1038/s41467-025-67797-z | Mycorrhizal fungi serve as fundamental agents in forest establishment and progression, underpinning critical ecosystem functions through symbiotic root associations. Drylands, which cover nearly half of Earth’s land, have limited forest establishment, and factors influencing mycorrhization in these stressful environments remain unclear. Here, we integrate large-scale field surveys along aridity gradients with greenhouse experiments and over 33,000 microscopic mycorrhizal observations, revealing that aridity significantly enhances mycorrhization. Mycorrhizal fungi undergo niche modification, whereby facilitative microbial interactions promote mycorrhization under aridity stress. We identify a core synthetic microbial community linked to mycorrhization and provide mechanistic evidence that this community facilitates mycorrhization through physical attachment to fungal hyphae and by alleviating soil metabolite inhibition that otherwise suppresses mycorrhization under arid conditions. In this work, our findings highlight the role of microbial interkingdom interactions in driving tree mycorrhizal colonization in arid regions, offering critical insights for guiding tree planting and restoration efforts in drylands. | This work was supported by the National Natural Science Foundation of China 32430069, W2412011 (to X.L.); The Jiangsu Special Fund on Technology Innovation of Carbon Dioxide Peaking and Carbon Neutrality BE2022420 (to X.L.). We appreciate Professor Nan Yang of Nanjing Forestry University for providing the Tuber strains. | Peer reviewed Editor Nature Research Contribuidor National Natural Science Foundation of China | Nanjing Forestry University | Zi, Haiyun [0000-0001-9676-4977] | Delgado-Baquerizo, Manuel [0000-0002-6499-576X] | Li, Xiaogang [0000-0002-7976-1122] Fecha de Publicación 2026-12-29 Tipo info:eu-repo/semantics/article | Publisher s version | info:eu-repo/semantics/publishedVersion Idioma en Relación http://dx.doi.org/10.1038/s41467-025-67797-z | Sí Derechos info:eu-repo/semantics/openAccess Información OAI   ID oai:digital.csic.es:10261/417969 Última Modificación 2026-02-09