Article
The sequence requirements for a functional Escherichia coli replication origin are different for the chromosome and a minichromosome.
Molecular microbiology - 1 Apr 2001
Weigel C, Messer W, Preiss S, Welzeck M, Morigen, Boye E
Abstract excerpt
We have developed a simple three-step method for transferring oriC mutations from plasmids to the Escherichia coli chromosome. Ten oriC mutations were used to replace the wild-type chromosomal origin of a recBCsbcB host by recombination. The mutations were subsequently transferred to a wild-type host by transduction. oriC mutants with a mutated DnaA box R1 were not obtained, suggesting that R1 is essential for...
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