TY - GEN AU - Gupta,S. TI - Genetic analysis of Rhizobium meliloti purine auxotrophs KW - Genetics KW - Rhizobium melioti KW - Auxotrophy KW - Mutants KW - Roots KW - Infection KW - Granules KW - Hosts KW - Cytoplasm KW - Nitrogen KW - Phenotypes KW - Infectio KW - Granule N1 - Nitrogen; Phenotypes; IARI, Division of Molecular Biology and Bio ER -