commercial source for E. coli mutator strain?

Dr. Karl Dane Wittrup wittrup at
Sat Dec 3 16:49:12 EST 1994

 I recently noticed that some company was selling an E. coli
"mutator" strain for quick and easy mutagenesis of entire
plasmids.  Does anybody have the name of such a company/product?
Please e-mail me if so:  wittrup at


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