TY - GEN AU - Riley,M A TI - Positive selection for colicin diversity in bacteria SN - 0737-4038 PY - 1993///1124 KW - Bacteria KW - genetics KW - Bacteriocin Plasmids KW - Colicins KW - Escherichia coli KW - Genes, Bacterial KW - Genetic Variation KW - Recombination, Genetic KW - Selection, Genetic N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1093/oxfordjournals.molbev.a040054 ER -