ArticlePlant physiology2003
Characterization of a novel non-constitutive photomorphogenic cop1 allele.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Light signaling as cellular integrator of multiple environmental cues in plants.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Review
- COP1 is required for UV-B-induced nuclear accumulation of the UVR8 photoreceptor.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- The functional divergence between SPA1 and SPA2 in Arabidopsis photomorphogenesis maps primarily to the respective N-terminal kinase-like domain.BMC plant biology · 2016Article
- The mediator complex subunit PFT1 interferes with COP1 and HY5 in the regulation of Arabidopsis light signaling.Plant physiology · 2012Article
- Nuclear localization and interaction with COP1 are required for STO/BBX24 function during photomorphogenesis.Plant physiology · 2011Article
- Article
- Interaction of COP1 and UVR8 regulates UV-B-induced photomorphogenesis and stress acclimation in Arabidopsis.The EMBO journal · 2009Article
- CONSTITUTIVELY PHOTOMORPHOGENIC1 is required for the UV-B response in Arabidopsis.The Plant cell · 2006Article
- Promotion of photomorphogenesis by COP1.Plant molecular biology · 2004Article
- The SPA quartet: a family of WD-repeat proteins with a central role in suppression of photomorphogenesis in arabidopsis.The Plant cell · 2004Article
- Constitutive photomorphogenesis 1 and multiple photoreceptors control degradation of phytochrome interacting factor 3, a transcription factor required for light signaling in Arabidopsis.The Plant cell · 2004Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A specific light program consisting of multiple treatments with alternating red and far-red light pulses was used to isolate mutants in phytochrome A-dependent signal transduction in Arabidopsis seedlings. Because of their phenotype, the mutants were called eid (empfindlicher im dunkelroten Licht, which means hypersensitive in far-red light). One of the isolated mutants, eid6, is a novel recessive allele of the COP1 gene (constitutive photomorphogenic 1) that carries an amino acid transition in a conserved histidine residue of the RING finger domain. Mutant seedlings exhibited an extreme hypersensitivity towards all tested light qualities, but in contrast to known cop1 alleles, no constitutive photomorphogenic phenotype was detectable in darkness. Thus, the novel cop1eid6 allele seems to encode for a protein whose remaining activity is sufficient for the suppression of photomorphogenesis in dark-grown plants. In adult cop1eid6 plants, the development of the Cop1 phenotype is dominated by phytochrome B. Comparison of the phenotype of the novel cop1eid6 and the weak cop1-4 allele under continuous far-red light indicates that the RING finger and coiled-coil domains of COP1 are sufficient for some specific regulatory function in phytochrome A-dependent high irradiance responses.
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