The protein phosphatase subunit PP2A-B'γ is required to suppress day length-dependent pathogenesis responses triggered by intracellular oxidative stress.

Abstract excerpt

Oxidative stress responses are influenced by growth day length, but little is known about how this occurs. A combined reverse genetics, metabolomics and proteomics approach was used to address this question in Arabidopsis thaliana. A catalase-deficient mutant (cat2), in which intracellular oxidative stress drives pathogenesis-related responses in a day length-dependent manner, was crossed with a knockdown mutant...

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