title: Genetic mapping of Rhizobium meliloti using RP4.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial / Q000502:physiology; D003227:Conjugation, Genetic; D003433:Crosses, Genetic; D008040:Genetic Linkage; D012231:Rhizobium / Q000235:genetics*; D012641:Selection, Genetic