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Disease resistance: Not so costly after all

The fitness costs of individual resistance (R) genes detected in previous studies suggest an impossibly high genetic load associated with disease resistance, if true for all R genes. However, new research shows that Arabidopsis plants with resistant Rps2 are no less fit than those with a susceptible Rps2 allele in the absence of disease.

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Author information

Affiliations

  1. Anna-Liisa Laine is at the Centre of Excellence in Metapopulation Research, Plant Biology, Department of Biosciences, University of Helsinki FI-00014, Finland.

    • Anna-Liisa Laine

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Correspondence to Anna-Liisa Laine.