[Directed mutagenesis of chromosomal genes of Escherichia coli in vivo: construction of RecA- and HtpR- mutants].
1987
: The deletions in Escherichia coli chromosomal genes recA and htpR were constructed using the site-directed mutagenesis techniques. The obtained RecA- mutants are UV-sensitive and have a phenotype defective for the homologous DNA recombination. HtpR- mutant is temperature sensitive for growth and deficient in intracellular proteolysis. As a result a HtpR- mutant seems to be a preferable candidate for attempting to synthesize efficiently any alien protein in Escherichia coli cells.
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