The abundant fraction of soil microbiomes regulates the rhizosphere function in crop wild progenitors
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2024
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John Wiley & Sons
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de Celis, M., Fernández-Alonso, M. J., Belda, I., García, C., Ochoa-Hueso, R., Palomino, J., Singh, B. K., Yin, Y., Wang, J.-T., Abdala-Roberts, L., Alfaro, F. D., Angulo-Pérez, D., Arthikala, M.-K., Corwin, J., Gui-Lan, D., Hernandez-Lopez, A., Nanjareddy, K., Pasari, B., Quijano-Medina, T., et al. (2024). The abundant fraction of soil microbiomes regulates the rhizosphere function in crop wild progenitors. Ecology Letters, 27(6). https://doi.org/10.1111/ELE.14462
Abstract
The rhizosphere influence on the soil microbiome and function of crop wild progenitors (CWPs) remains virtually unknown, despite its relevance to develop microbiome-oriented tools in sustainable agriculture. Here, we quantified the rhizosphere influence—a comparison between rhizosphere and bulk soil samples—on bacterial, fungal, protists and invertebrate communities and on soil multifunctionality across nine CWPs at their sites of origin. Overall, rhizosphere influence was higher for abundant taxa across the four microbial groups and had a positive influence on rhizosphere soil organic C and nutrient contents compared to bulk soils. The rhizosphere influence on abundant soil microbiomes was more important for soil multifunctionality than rare taxa and environmental conditions. Our results are a starting point towards the use of CWPs for rhizosphere engineering in modern crops.
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This research was supported by a 2019 Leonardo Grant for Researchers and Cultural Creators, BBVA Foundation, granted to P.G.-P. The BBVA Foundation accepts no responsibility for the opinions, statements and contents included in the project and/or the results thereof, which are entirely the responsibility of the authors. M.C. and P.G.-P. were supported by a grant from the Spanish Ministry of Science and Innovation (DUALSOM, PID2020-113021RA-I00). The Spanish Ministry of Science and Innovation also supported this research, with a grant (PID2021-122296NB-100) to R.M. M.J.F.-A. was supported by a ‘María Zambrano’ postdoctoral fellowship (Spanish Ministry of Universities) at the URJC.