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Originally posted by zier1011 at 2009-10-26 20:41:
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Vectors Propagating

Because of the lethal effects of the CcdB protein, all vectors containing the ccdB gene must be propagated in an E. coli strain that is resistant to CcdB  effects. We recommend using the DB3.1™ E. coli strain which contains a gyrase  mutation (gyrA462) that renders it resistant to the CcdB effects (Bernard and Couturier, 1992; Bernard et al., 1993; Miki et al., 1992).  

Genotype of DB3.1  

F- gyrA462 endA1 ∆(sr1-recA) mcrB mrr hsdS20(rB-, mB-) supE44 ara14 galK2 lacY1 proA2 rpsL20(Smr) xyl5 ∆leu mtl1


[ Last edited by gyesang on 2009-10-27 at 18:41 ]
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11Â¥2009-10-27 18:40:42
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