The relation of the genes envA and ftsA in Escherichia coli.

The sequence of three genes involved in cell division in E. coli has been determined to be ftsA-envA-azi by three-point transduction experiments. An ftsA envA double mutant strain forms filaments at the restrictive temperature of 42 degrees C, and not chains, but, like the chain forming envA parent strain, is hypersensitive to rifampicin.