Article
A disease resistance locus on potato and tomato chromosome 4 exhibits a conserved multipartite structure displaying different rates of evolution in different lineages.
BMC plant biology - 24 Oct 2015
Destefanis Marialaura, Nagy Istvan, Rigney Brian, Bryan Glenn J, McLean Karen, Hein Ingo, Griffin Denis, Milbourne Dan
Abstract excerpt
BACKGROUND: In plant genomes, NB-LRR based resistance (R) genes tend to occur in clusters of variable size in a relatively small number of genomic regions. R-gene sequences mostly differentiate by accumulating point mutations and gene conversion events. Potato and tomato chromosome 4 harbours a syntenic R-gene locus (known as the R2 locus in potato) that has mainly been examined in central American/Mexican wild...
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