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Title

RSF1, an Arabidopsis Locus Implicated in Phytochrome A Signaling

Authors
Chory, Joanne
Published in Plant Physiology. 2000, vol. 124, no. 1, p. 39-46
Abstract In Arabidopsis, phytochrome A (phyA) is the major photoreceptor both for high irradiance responses to far-red light and broad spectrum very low fluence responses, but little is known of its signaling pathway(s). rsf1 was isolated as a recessive mutant with reduced sensitivity to far-red inhibition of hypocotyl elongation. At the seedling stage rsf1 mutants are affected, to various degrees, in all described phyA-mediated responses. However, in adult rsf1 plants, the photoperiodic flowering response is normal. The rsf1 mutant has wild-type levels of phyA suggesting that RSF1 is required for phyA signaling rather than phyA stability or biosynthesis. RSF1 thus appears to be a major phyA signaling component in seedlings, but not in adult, Arabidopsis plants.
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PMID: 10982420
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FANKHAUSER, Christian, CHORY, Joanne. RSF1, an Arabidopsis Locus Implicated in Phytochrome A Signaling. In: Plant Physiology, 2000, vol. 124, n° 1, p. 39-46. doi: 10.1104/pp.124.1.39 https://archive-ouverte.unige.ch/unige:127594

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Deposited on : 2019-12-06

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