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GrainGenes Reference Report: SCI-318-1866

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Reference	SCI-318-1866
Title	Transposase-derived transcription factors regulate light signaling in Arabidopsis
Journal	Science
Year	2007
Volume	318
Pages	1302-1305
Remark	Discusses transcription factor / regulator : FAR1
Author	Lin R [ Show all 6 ]
Abstract	Plants use light to optimize growth and development. The photoreceptor phytochrome A (phyA) mediates various far-red light-induced responses. We show that Arabidopsis FHY3 and FAR1, which encode two proteins related to Mutator-like transposases, act together to modulate phyA signaling by directly activating the transcription of FHY1 and FHL, whose products are essential for light-induced phyA nuclear accumulation and subsequent light responses. FHY3 and FAR1 have separable DNA binding and transcriptional activation domains that are highly conserved in Mutator-like transposases. Further, expression of FHY3 and FAR1 is negatively regulated by phyA signaling. We propose that FHY3 and FAR1 represent transcription factors that have been co-opted from an ancient Mutator-like transposase(s) to modulate phyA-signaling homeostasis in higher plants.
External Databases	https://www.ncbi.nlm.nih.gov/pubmed/18033885

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