Light and the E3 ubiquitin ligase <scp>COP</scp>1/<scp>SPA</scp> control the protein stability of the <scp>MYB</scp> transcription factors <scp>PAP</scp>1 and <scp>PAP</scp>2 involved in anthocyanin accumulation in Arabidopsis

G. Maier, Alexander; Schrader, Andrea; Kokkelink, Leonie; Falke, Christian; Welter, Bastian; Iniesto, Elisa; Rubio, Vicente; F. Uhrig, Joachim; Hülskamp, Martin; Hoecker, Ute

doi:10.1111/tpj.12153

Public

Light and the E3 ubiquitin ligase COP1/SPA control the protein stability of the MYB transcription factors PAP1 and PAP2 involved in anthocyanin accumulation in Arabidopsis

Published in The Plant Journal • Feb 20, 2013

Authors:

Alexander G. Maier

Andrea Schrader

Leonie Kokkelink

Abstract

Anthocyanins are natural pigments that accumulate only in light-grown and not in dark-grown Arabidopsis plants. Repression of anthocyanin accumulation in darkness requires the CONSTITUTIVELY PHOTOMORPHOGENIC1/SUPPRESSOR OF PHYA-105 (COP1/SPA) ubiquitin ligase, as cop1 and spa mutants produce anthocy...

Subject

Ubiquitin ligase

Biology

Arabidopsis

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