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Is XL1-blue derived from K12 strain?

Dominic-Luc Webb molmed domweb at mbox.ki.se
Mon Sep 10 05:28:14 EST 2001

On Fri, 7 Sep 2001, Ivo Rieu wrote:

   > Hello,
   > my question is in the Subject box. Thanks for your response. Ivo Rieu

Embarrassing how many of us use this and don't know. I
am quite sure XL1-blue(a,b) comes from either K-10 or
K-12, probably K-12.

I think there can be no better place to ask than the
E coli Genetic Stock Center. Mary Berlyn of the Center
is very knowledgable and I would recommend asking her

mary at fetalpig.biology.yale.edu



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