Article
Fitness costs of R-gene-mediated resistance in Arabidopsis thaliana.
Nature - 1 May 2003
Tian D, Traw M B, Chen J Q, Kreitman M, Bergelson J
Abstract excerpt
Resistance genes (R-genes) act as an immune system in plants by recognizing pathogens and inducing defensive pathways. Many R-gene loci are present in plant genomes, presumably reflecting the need to maintain a large repertoire of resistance alleles. These loci also often segregate for resistance and susceptibility alleles that natural selection has maintained as polymorphisms within a species for millions of...
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