Genetic map of the lactose repressor gene (i) of Escherichia coli.

作者： Magnus Pfahl

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摘要: 39 tonB i(-) deletions were used to map 57 independently isolated i gene mutants. Methods selective for i(+) recombinants from various types of mutants are described. recombination frequencies 6 x 10(-6) 10(-7) can be detected in the different systems. Twenty i(s) mutations and 12 i(-d) distinct but regions gene. (sus) scattered over