ArticlePlant physiology2015
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.
Article in Plant physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 31 citations in OpenAlex.
- CUL3Science advances · 2026Article
- Ubiquitin-specific protease UBP14 stabilizes HY5 by deubiquitination to promote photomorphogenesis inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Far-red light modulates grapevine growth by increasing leaf photosynthesis efficiency and triggering organ-specific transcriptome remodelling : Author.BMC plant biology · 2024Article
- Article
- MKKK20 works as an upstream triple-kinase of MKK3-MPK6-MYC2 module in Arabidopsis seedling development.iScience · 2023Article
- Genome-Wide Identification and Salt Stress Response Analysis of the bZIP Transcription Factor Family in Sugar Beet.International journal of molecular sciences · 2022Article
- The conjugation of SUMO to the transcription factor MYC2 functions in blue light-mediated seedling development in Arabidopsis.The Plant cell · 2022Article
- The genome and preliminary single-nuclei transcriptome of Lemna minuta reveals mechanisms of invasiveness.Plant physiology · 2022Article
- Deciphering Novel Transcriptional Regulators of Soybean Hypocotyl Elongation Based on Gene Co-expression Network Analysis.Frontiers in plant science · 2022Article
- The phyB-dependent induction of HY5 promotes iron uptake by systemically activating FER expression.EMBO reports · 2021Article
- OsRELA Regulates Leaf Inclination by Repressing the Transcriptional Activity of OsLIC in Rice.Frontiers in plant science · 2021Article
- Signal Integration in Plant Abiotic Stress Responses via Multistep Phosphorelay Signaling.Frontiers in plant science · 2021Review
- HY5 Suppresses, Rather Than Promotes, Abscisic Acid-Mediated Inhibition of Postgermination Seedling Development.Plant physiology · 2020Article
- Proteomic analysis showing the signaling pathways involved in the rhizome enlargement process in Nelumbo nucifera.BMC genomics · 2019Article
- Characterization of genes and alleles involved in the control of flowering time in grapevine.PloS one · 2019Article
- Photoreceptor PhyB Involved in Arabidopsis Temperature Perception and Heat-Tolerance Formation.International journal of molecular sciences · 2017Article
- SHORT HYPOCOTYL1 Encodes a SMARCA3-Like Chromatin Remodeling Factor Regulating Elongation.Plant physiology · 2016Article
- The Arabidopsis MIEL1 E3 ligase negatively regulates ABA signalling by promoting protein turnover of MYB96.Nature communications · 2016Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis (Arabidopsis thaliana) Short Hypocotyl in White Light1 (SHW1) encodes a Ser-Arg-Asp-rich protein that acts as a negative regulator of photomorphogenesis. SHW1 and Constitutive Photomorphogenic1 (COP1) genetically interact in an additive manner to suppress photomorphogenesis. Elongated Hypocotyl5 (HY5) is a photomorphogenesis promoting a basic leucine zipper transcription factor that is degraded by COP1 ubiquitin ligase in the darkness. Here, we report the functional interrelation of SHW1 with COP1 and HY5 in Arabidopsis seedling development. The in vitro and in vivo molecular interaction studies show that SHW1 physically interacts with both COP1 and HY5. The genetic studies reveal that SHW1 and HY5 work in an antagonistic manner to regulate photomorphogenic growth. Additional mutation of SHW1 in hy5 mutant background is able to suppress the gravitropic root growth defect of hy5 mutants. This study further reveals that the altered abscisic acid responsiveness of hy5 mutants is modulated by additional loss of SHW1 function. Furthermore, this study shows that SHW1 promotes COP1-mediated degradation of HY5 through enhanced ubiquitylation in the darkness. Collectively, this study highlights a mechanistic view on coordinated regulation of SHW1, COP1, and HY5 in Arabidopsis seedling development.
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