Compatibility between Legumes and Rhizobia for the Establishment of a Successful Nitrogen-Fixing Symbiosis

Genes
Joaquín ClúaFlavio A Blanco

Abstract

The root nodule symbiosis established between legumes and rhizobia is an exquisite biological interaction responsible for fixing a significant amount of nitrogen in terrestrial ecosystems. The success of this interaction depends on the recognition of the right partner by the plant within the richest microbial ecosystems on Earth, the soil. Recent metagenomic studies of the soil biome have revealed its complexity, which includes microorganisms that affect plant fitness and growth in a beneficial, harmful, or neutral manner. In this complex scenario, understanding the molecular mechanisms by which legumes recognize and discriminate rhizobia from pathogens, but also between distinct rhizobia species and strains that differ in their symbiotic performance, is a considerable challenge. In this work, we will review how plants are able to recognize and select symbiotic partners from a vast diversity of surrounding bacteria. We will also analyze recent advances that contribute to understand changes in plant gene expression associated with the outcome of the symbiotic interaction. These aspects of nitrogen-fixing symbiosis should contribute to translate the knowledge generated in basic laboratory research into biotechnological advances t...Continue Reading

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Citations

Jul 3, 2019·Nature Reviews. Microbiology·Madeleine J H van Oppen, Linda L Blackall
Mar 27, 2020·Genes·Ginaini Grazielli Doin de MouraDelphine Capela
Jun 6, 2020·Biology·Elisa GamaleroGuido Lingua
Jun 12, 2020·Frontiers in Plant Science·Dongmei LyuDonald L Smith
Feb 26, 2020·World Journal of Microbiology & Biotechnology·Ahmed Idris HassenFrancina L Bopape
Mar 20, 2020·Scientific Reports·María Cecilia Pérez-PizáKarina Balestrasse
Jan 13, 2021·Proceedings. Biological Sciences·Anna M O'BrienMegan E Frederickson
Feb 27, 2021·Frontiers in Plant Science·Xiang ZhangMinjian Qin
Jul 29, 2021·Microbial Biotechnology·Laura A Basile, Viviana C Lepek

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Methods Mentioned

BETA
RNAseq
laser capture microdissection

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