Convergent evolution of disease resistance genes

Trends in Plant Science
J M McDowell

Abstract

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 of AvrB, provides an exciting opportunity to reconsider classical views on the evolution of pathogen recognition specificity.

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Citations

Mar 15, 2012·Molecular Plant-microbe Interactions : MPMI·Walter Gassmann, Saikat Bhattacharjee
Oct 1, 2005·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·D A LalliA G Abbott
Aug 5, 2005·Annual Review of Phytopathology·E DelannoyM Nicole
Sep 1, 2006·Molecular Plant Pathology·John M McDowell, Stacey A Simon
Nov 24, 2017·International Journal of Molecular Sciences·Ana M GonzálezMarta Santalla

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