Single amino acid alterations in Arabidopsis thaliana RCY1 compromise resistance to Cucumber mosaic virus, but differentially suppress hypersensitive response-like cell death.

Abstract excerpt

Resistance to an yellow strain of Cucumber mosaic virus [CMV(Y)] in Arabidopsis thaliana ecotype C24 is conferred by the CC-NBS-LRR type R gene, RCY1. RCY1-conferred resistance is accompanied by a hypersensitive response (HR), which is characterized by the development of necrotic local lesion (NLL) at the site of infection that restricts viral spread. To further characterize the role of RCY1 in NLL formation we...

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