title: A protein produced by male strains of Escherichia coli K-12 which increases the yield of recombinants in conjugation: its nature and mode of action.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis*; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000378:metabolism*; D005827:Genetics, Microbial; D008297:Male; D008466:Mechlorethamine / Q000037:antagonists & inhibitors; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D001426:Bacterial Proteins; D008466:Mechlorethamine