The abundant fraction of soil microbiomes regulates the rhizosphere function in crop wild progenitors

Miguel de Celis, María José Fernández-Alonso, Ignacio Belda, Carlos García, Raúl Ochoa-Hueso, Javier Palomino, Brajesh K. Singh, Yue Yin, Jun Tao Wang, Luis Abdala-Roberts, Fernando D. Alfaro, Diego Angulo-Pérez, Manoj Kumar Arthikala, Jason Corwin, Duan Gui-Lan, Antonio Hernandez-Lopez, Kalpana Nanjareddy, Babak Pasari, Teresa Quijano-Medina, Daniela S. RiveraSalar Shaaf, Pankaj Trivedi, Qingwen Yang, Eli Zaady, Yong Guan Zhu, Manuel Delgado-Baquerizo, Rubén Milla, Pablo García-Palacios

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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.

Original languageEnglish
Article numbere14462
Number of pages14
JournalEcology Letters
Volume27
Issue number6
DOIs
Publication statusPublished - Jun 2024

Bibliographical note

Publisher Copyright:
© 2024 The Author(s). Ecology Letters published by John Wiley & Sons Ltd.

Keywords

  • abundant and rare taxa
  • crop wild progenitors
  • plant domestication
  • plant–soil interactions
  • rhizosphere
  • soil biodiversity
  • soil multifunctionality

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