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DNA sequences involved in recombination during duplication of regions surrounding the ben and cat genes in A. baylyi ADP1 observed after selection for growth on benzoate (Ben+) or anthraniliate (Ant+). The top line in B is the parental downstream sequence, and the bottom line is the parental upstream sequence. The middle line is the sequence formed at the junction. Identical nucleotides are underlined. Part A reprinted with permission from Mol Microbiol. 83(3):520–35, 2012.
