Recombination in Rhizobium leguminosarum.
D005827:Genetics, Microbial; D008722:Methods; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D011830:Radiation Effects; D011995:Recombination, Genetic; D012231:Rhizobium; D013307:Streptomycin / Q000494:pharmacology; D014466:Ultraviolet Rays