biostudies-literatureUnknown12Castellani LGOne of the greatest inputs of available nitrogen into the biosphere occurs through the biological N₂-fixation to ammonium as result of the symbiosis between rhizobia and leguminous plants. These interactions allow increased crop yields on nitrogen-poor soils. Exopolysaccharides (EPS) are key components for the establishment of an effective symbiosis between alfalfa and <i>Ensifer meliloti</i>, as bacteria that lack EPS are unable to infect the host plants. <i>Rhizobium favelukesii</i> LPU83 is an acid-tolerant rhizobia strain capable of nodulating alfalfa but inefficient to fix nitrogen. Aiming to identify the molecular determinants that allow <i>R. favelukesii</i> to infect plants, we studied its EPS biosynthesis. LPU83 produces an EPS I identical to the one present in <i>E. meFrontiers in plant science642576https://www.ebi.ac.uk/biostudies/studies/S-EPMC7902896biostudies-literatureExopolysaccharide Characterization of <i>Rhizobium favelukesii</i> LPU83 and Its Role in the Symbiosis With Alfalfa.PMC7902896Luchetti APistorio MLagares APerez-Gimenez JWegener CTorres Tejerizo GANilsson JFCastellani LGPuhler ASchluter ABrom SNiehaus KfalseExopolysaccharide Characterization of <i>Rhizobium favelukesii</i> LPU83 and Its Role in the Symbiosis With Alfalfa.One of the greatest inputs of available nitrogen into the biosphere occurs through the biological N₂-fixation to ammonium as result of the symbiosis between rhizobia and leguminous plants. These interactions allow increased crop yields on nitrogen-poor soils. Exopolysaccharides (EPS) are key components for the establishment of an effective symbiosis between alfalfa and <i>Ensifer meliloti</i>, as bacteria that lack EPS are unable to infect the host plants. <i>Rhizobium favelukesii</i> LPU83 is an acid-tolerant rhizobia strain capable of nodulating alfalfa but inefficient to fix nitrogen. Aiming to identify the molecular determinants that allow <i>R. favelukesii</i> to infect plants, we studied its EPS biosynthesis. LPU83 produces an EPS I identical to the one present in <i>E. me2021-01-01T00:00:00Z20212026-05-03T01:33:18.915Z2021-02-27T08:14:01ZS-EPMC79028963364336910.3389/fpls.2021.642576