title: [Transduction of a gene controlling the expression of nitrogen fixation in Rhizobium meliloti].
mesh_terms: D007930:Leucine / Q000378:metabolism*; D000455:Medicago sativa; D008722:Methods; D008967:Molecular Biology; D009154:Mutation; D009586:Nitrogen Fixation; D012231:Rhizobium / Q000378:metabolism*; D012641:Selection, Genetic; D013559:Symbiosis; D014161:Transduction, Genetic
chemical_list: D007930:Leucine
vernacular_title: Transduction d'un géne contrôlant l'expression de la fixation de l'azote chez Rhizobium meliloti.