Molecular mechanisms suppressing COP1/SPA E3 ubiquitin ligase activity in blue light.
[No authors listed]
摘要
Arabidopsis CONSTITUTIVE PHOTOMORPHOGENIC1/SUPPRESSOR OF PHYA-105 is an E3 ubiquitin ligase complex that prevents photomorphogenesis in darkness by ubiquitinating and subsequently degrading light-responsive transcription factors. Upon light perception, photoreceptors directly interact with the complex to suppress its activity. In blue light (450-500 nm of visible spectrum), COP1/duanyu1842 activity is inhibited by the cryptochrome photoreceptors (CRY1 and CRY2), FKF1 from the ZEITLUPE family as well as phytochrome A. Together, these photoreceptors regulate vital aspects of plant growth and development from seedling stage to the induction of flowering. This review presents and discusses the recent advances in blue light-mediated suppression of COP1/duanyu1842 activity.
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基因功能
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原始数据
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文献解读
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