Article
Recombination and spontaneous mutation at the major cluster of resistance genes in lettuce (Lactuca sativa).
Genetics - 1 Feb 2001
Chin D B, Arroyo-Garcia R, Ochoa O E, Kesseli R V, Lavelle D O, Michelmore R W
Abstract excerpt
Two sets of overlapping experiments were conducted to examine recombination and spontaneous mutation events within clusters of resistance genes in lettuce. Multiple generations were screened for recombinants using PCR-based markers flanking Dm3. The Dm3 region is not highly recombinagenic, exhibiting a recombination frequency 18-fold lower than the genome average. Recombinants were identified only rarely within...
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