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Updated: Aug 4, 2026

Recombineering Homologous Recombination Constructs in Drosophila
Published on: July 13, 2013
Recombination between short direct repeats in a recA host
Abstract:
Spontaneous deletion derivatives of plasmid pHV14, a recombinant of pBR322, have been isolated in the recA strain HB101. About 2.5 kilobases (Kb) of DNA has been lost in each of the four plasmids described including, in two cases the region involved in control of copy number and the initiation of replication. Sequence analysis of each deletion junction has revealed that in 3 out of 4 cases the deletion event occurred by recombination between short direct repeats of as little as 7 base pairs (bp).
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