Increased diversity of beneficial rhizobia enhances faba bean growth.

Autor: Mendoza-Suárez M; Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark. marcela@mbg.au.dk., Akyol TY; Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark., Nadzieja M; Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark., Andersen SU; Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark. sua@mbg.au.dk.
Jazyk: angličtina
Zdroj: Nature communications [Nat Commun] 2024 Dec 12; Vol. 15 (1), pp. 10673. Date of Electronic Publication: 2024 Dec 12.
DOI: 10.1038/s41467-024-54940-5
Abstrakt: Legume-rhizobium symbiosis provides a sustainable nitrogen source for agriculture. Nitrogen fixation efficiency depends on both legume and rhizobium genotypes, but the implications of their interactions for plant performance in environments with many competing rhizobium strains remain unclear. Here, we let 399 Rhizobium leguminosarum complex sv. viciae strains compete for nodulation of 212 faba bean genotypes. We find that the strains can be categorised by their nodule occupancy profiles into groups that show distinct competitive interactions and plant growth-promoting effects. Further, we show that the diversity of strains occupying root nodules affects plant growth and is under plant genetic control. These insights provide a basis for re-designing rhizobium inoculation and plant breeding strategies to enhance symbiotic nitrogen fixation in agriculture.
Competing Interests: Competing interests: M.M.S. and S.U.A. own shares of SymbioMatch ApS. M.M.S., S.U.A., and M.N. have the European patent application No.: 23216703.1 pending. T.Y.A. declares no competing interests.
(© 2024. The Author(s).)
Databáze: MEDLINE
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