A Mu gin complementing function and an invertible DNA region in Escherichia coli K-12 are situated on the genetic element e14.


The Gin product catalyzes an inversion of 3,000 base pairs of DNA in the genome of bacteriophage Mu. The orientation of the invertible of G-region determines the host range of the phage. Gin- mutants are complemented by a host function in strain HB101 and several other Escherichia coli K-12 strains. At least three clones in the E. coli gene bank described… (More)


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