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Arabidopsis FAR-RED ELONGATED HYPOCOTYL3 (FHY3) and FAR-RED-IMPAIRED RESPONSE1 (FAR1) are a pair of transposase-derived transcription factors.They were initially identified as positive regulators of phytochrome A (phyA) signaling by modulating phyA nuclear accumulation and phyA responses through directly activating gene expression of a pair of downstream targets, FHY1 and FHY1-LIKE (FHL).