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Rapid modification of bacterial artificial chromosomes by ET-recombination
J P Muyrers1, Y Zhang, G Testa
1Gene Expression Program, European Molecular Biology Laboratory, Meyerhofstrasse 1, D-69117 Heidelberg, Germany.
Nucleic Acids Research
|February 26, 1999
Abstract:
We present a method to modify bacterial artificial chromosomes (BACs) resident in their host strain. The method is based on homologous recombination by ET-cloning. We have successfully modified BACs at two distinct loci by recombination with a PCR product containing homology arms of 50 nt. The procedure we describe here is rapid, was found to work with high efficiency and should be applicable to any BAC modification desired.