High spontaneous mutation frequency of BPV shuttle vector
- 1 September 1985
- journal article
- research article
- Published by Springer Nature in Somatic Cell and Molecular Genetics
- Vol. 11 (5) , 499-504
- https://doi.org/10.1007/bf01534844
Abstract
A recombinant shuttle vector containing the entire bovine papillomavirus (BPV) genome, sequences from pBR322, and the Escherichia coli gpt gene was used to transform mouse C127 cells. Plasmid extracted from the transformed mouse cells was used to transform a Gpt− derivative of E. coli HB101, and the relative frequency of plasmids carrying a mutation in the gpt gene was determined. Approximate mutant frequencies of 3-16×10−3 were observed for plasmid molecules which had been passaged through the mammalian cells. Restriction digest analysis indicated that most of the mutant plasmid molecules had gross rearrangements in their DNA structures.Keywords
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