E.Coli Lac deletion, Nal -s strain

HelenCS helencs at aol.com
Wed Jun 26 16:05:53 EST 1996

Does anyone have --or know where to obtain --an E. coli strain which is 
LacZ delta M15, restriction minus, modification plus, recA, F- and Nal
sensitive?    Thanks for your help.

Helen   (HelenCS at aol.com)

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