Abstract
The EARLY FLOWERING 3 (ELF3) gene of Arabidopsis regulates plant morphology, flowering time and circadian rhythms. ELF3 was proposed to function as a modulator of light signal transduction downstream of phytochromes, and, perhaps, other photoreceptors. Recent work indicates that ELF3 encodes a novel nuclear protein that is expressed rhythmically and interacts with phytochrome B. How ELF3 mediates the circadian gating of light responses and regulates light input to the clock is the subject of discussion.
MeSH terms
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Arabidopsis / genetics*
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Arabidopsis / growth & development
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Arabidopsis / radiation effects
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Arabidopsis Proteins / genetics
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Arabidopsis Proteins / physiology
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Carrier Proteins / genetics*
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Carrier Proteins / metabolism
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Circadian Rhythm / physiology
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Cryptochromes
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Drosophila Proteins*
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Eye Proteins*
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Flavoproteins / physiology
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Genes, Plant
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Light
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Light-Harvesting Protein Complexes
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Nuclear Proteins / genetics
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Nuclear Proteins / physiology
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Photoreceptor Cells*
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Photoreceptor Cells, Invertebrate*
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Phytochrome / physiology
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Phytochrome A
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Phytochrome B
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Plant Proteins / genetics*
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Plant Proteins / physiology
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Receptors, G-Protein-Coupled
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Signal Transduction
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Transcription Factors / genetics*
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Transcription Factors / physiology
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Transcription, Genetic
Substances
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Arabidopsis Proteins
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CAB2 protein, Arabidopsis
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CRY1 protein, Arabidopsis
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Carrier Proteins
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Cryptochromes
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Drosophila Proteins
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ELF3 protein, Arabidopsis
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Eye Proteins
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Flavoproteins
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Light-Harvesting Protein Complexes
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Nuclear Proteins
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PHYA protein, Arabidopsis
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PHYB protein, Arabidopsis
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Phytochrome A
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Plant Proteins
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Receptors, G-Protein-Coupled
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Transcription Factors
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cry protein, Drosophila
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Phytochrome
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Phytochrome B