Convergent evolution of disease resistance genes.

@article{McDowell2004ConvergentEO,
  title={Convergent evolution of disease resistance genes.},
  author={John M McDowell},
  journal={Trends in plant science},
  year={2004},
  volume={9 7},
  pages={
          315-7
        }
}
The resistance genes Rpg1-b in soybean and RPM1 in Arabidopsis recognize the same bacterial avirulence protein (AvrB). Recent map-based cloning of Rpg1-b has provided the first opportunity to compare functionally analogous R genes in distantly related species. Rpg1-b and RPM1 are not orthologs. Rather, these genes descended from distinct evolutionary lineages in which recognition of AvrB has probably evolved independently. This result, together with new insights into RPM1-mediated recognition… CONTINUE READING
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