ArticleThe Plant cell1995
Missense mutations define a restricted segment in the C-terminal domain of phytochrome A critical to its regulatory activity.
Article in The Plant cell, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed.
- Hinge region ofProceedings of the National Academy of Sciences of the United States of America · 2018Article
- Characterization of peanut phytochromes and their possible regulating roles in early peanut pod development.PloS one · 2018Article
- Streptophyte phytochromes exhibit an N-terminus of cyanobacterial origin and a C-terminus of proteobacterial origin.BMC research notes · 2015Article
- Phosphorylation of FAR-RED ELONGATED HYPOCOTYL1 is a key mechanism defining signaling dynamics of phytochrome A under red and far-red light in Arabidopsis.The Plant cell · 2012Article
- Missense mutation in the amino terminus of phytochrome A disrupts the nuclear import of the photoreceptor.Plant physiology · 2012Article
- Phytochrome A-specific signaling in Arabidopsis thaliana.Plant signaling & behavior · 2011Review
- A novel high-throughput in vivo molecular screen for shade avoidance mutants identifies a novel phyA mutation.Journal of experimental botany · 2011Article
- Evolutionary studies illuminate the structural-functional model of plant phytochromes.The Plant cell · 2010Review
- The histidine kinase-related domain of Arabidopsis phytochrome a controls the spectral sensitivity and the subcellular distribution of the photoreceptor.Plant physiology · 2009Article
- Phytochrome A mediates rapid red light-induced phosphorylation of Arabidopsis FAR-RED ELONGATED HYPOCOTYL1 in a low fluence response.The Plant cell · 2009Article
- Mutant screen distinguishes between residues necessary for light-signal perception and signal transfer by phytochrome B.PLoS genetics · 2008Article
- The PHYTOCHROME C photoreceptor gene mediates natural variation in flowering and growth responses of Arabidopsis thaliana.Nature genetics · 2006Article
- Arabidopsis FHY1 protein stability is regulated by light via phytochrome A and 26S proteasome.Plant physiology · 2005Article
- A dominant mutation in the pea PHYA gene confers enhanced responses to light and impairs the light-dependent degradation of phytochrome A.Plant physiology · 2004Article
- Article
- Characterization of a strong dominant phytochrome A mutation unique to phytochrome A signal propagation.Plant physiology · 2002Article
- Missense mutation in the PAS2 domain of phytochrome A impairs subnuclear localization and a subset of responses.The Plant cell · 2002Article
- The negatively acting factors EID1 and SPA1 have distinct functions in phytochrome A-specific light signaling.Plant physiology · 2002Article
- REP1, a basic helix-loop-helix protein, is required for a branch pathway of phytochrome A signaling in arabidopsis.The Plant cell · 2000Article
- The histidine kinase-related domain participates in phytochrome B function but is dispensable.Proceedings of the National Academy of Sciences of the United States of America · 2000Article
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4 authors.
Funding
Abstract
The phytochrome family of photoreceptors has dual molecular functions: photosensory, involving light signal perception, and regulatory, involving signal transfer to downstream transduction components. To define residues necessary specifically for the regulatory activity of phytochrome A (phyA), we undertook a genetic screen to identify Arabidopsis mutants producing wild-type levels of biologically defective but photochemically active and dimeric phyA molecules. Of eight such mutants identified, six contain missense mutations (including three in the same residue, glycine 727) clustered within a restricted segment in the C-terminal domain of the polypeptide. Quantitative photobiological analysis revealed retention of varying degrees of partial activity among the different alleles--a result consistent with the extent of conservation at the position mutated. Together with additional data, these results indicate that the photoreceptor subdomain identified here is critical to the regulatory activity of both phyA and phyB.
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