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Article

A missense mutation in WRKY32 converts its function from a positive regulator to a repressor of photomorphogenesis.

The New phytologist - 1 Jul 2022

Zhou Hua, Zhu Wei, Wang Xuncheng, Bian Yeting, Jiang Yan, Li Jian, Wang Lixia, Yin Ping, Deng Xing Wang, Xu Dongqing

Abstract excerpt

CONSTITUTIVELY PHOTOMORPHOGENIC 1 (COP1) mediates various cellular and physiological processes in plants by targeting a large number of substrates for ubiquitination and degradation. In this study, we reveal that a substitution of Pro for Leu at amino acid position 409 in WRKY32 largely suppresses the short hypocotyls and expanded cotyledon phenotypes of cop1-6. WRKY32P409L promotes hypocotyl growth and inhibits...

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PMID: 34935148
DOI: 10.1111/nph.17932

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A missense mutation in WRKY32 converts its function from a positive regulator to a repressor of photomorphogenesis.PMID 34935148Read ↗

Short Hypocotyl in White Light1 Interacts with Elongated Hypocotyl5 (HY5) and Constitutive Photomorphogenic1 (COP1) and Promotes COP1-Mediated Degradation of HY5 during Arabidopsis Seedling Development.Semantic proximity Read ↗

The Photomorphogenic Central Repressor COP1: Conservation and Functional Diversification during Evolution.Semantic proximity Read ↗

BBX28/BBX29, HY5 and BBX30/31 form a feedback loop to fine-tune photomorphogenic development.Semantic proximity Read ↗

SHORT HYPOCOTYL IN WHITE LIGHT1, a serine-arginine-aspartate-rich protein in Arabidopsis, acts as a negative regulator of photomorphogenic growth.Semantic proximity Read ↗

CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis.Semantic proximity Read ↗

Photoactivated UVR8-COP1 module determines photomorphogenic UV-B signaling output in Arabidopsis.Semantic proximity Read ↗

Arabidopsis FHY3 and HY5 positively mediate induction of COP1 transcription in response to photomorphogenic UV-B light.Semantic proximity Read ↗

Genomic evidence for COP1 as a repressor of light-regulated gene expression and development in Arabidopsis.Semantic proximity Read ↗

The roles of photoreceptor systems and the COP1-targeted destabilization of HY5 in light control of Arabidopsis seedling development.Semantic proximity Read ↗

Light regulates COP1-mediated degradation of HFR1, a transcription factor essential for light signaling in Arabidopsis.Semantic proximity Read ↗

Promotion of photomorphogenesis by COP1.Semantic proximity Read ↗

Short communication: the N-terminal fragment of Arabidopsis photomorphogenic repressor COP1 maintains partial function and acts in a concentration-dependent manner.Semantic proximity Read ↗

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