Article
The disease resistance gene Dm3 is infrequent in natural populations of Lactuca serriola due to deletions and frequent gene conversions at the RGC2 locus.
The Plant journal : for cell and molecular biology - 1 Jul 2006
Kuang Hanhui, Ochoa Oswaldo E, Nevo Eviatar, Michelmore Richard W
Abstract excerpt
Resistance genes can exhibit heterogeneous patterns of variation. However, there are few data on their frequency and variation in natural populations. We analysed the frequency and variation of the resistance gene Dm3, which confers resistance to Bremia lactucae (downy mildew) in 1033 accessions of Lactuca serriola (prickly lettuce) from 49 natural populations. Inoculations with an isolate of Bremia lactucae...
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