ArticleCell reports2013
Tyrosine phosphorylation regulates the activity of phytochrome photoreceptors.
Article in Cell reports, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed, 88 citations in OpenAlex.
- Twenty-five years of photobodies: formation, composition, and the 2-compartment logic of phytochrome B signaling.Plant physiology · 2026Review
- Intragenic suppressor screen of YHB identifies novel and known loss-of-function alleles of Arabidopsis phytochrome B.bioRxiv : the preprint server for biology · 2026Article
- The phytochrome B signaling regulates salt-mediated seedling growth in the dark.Plant & cell physiology · 2025Article
- PHOSPHATASE 2A dephosphorylates PHYTOCHROME-INTERACTING FACTOR3 to modulate photomorphogenesis in Arabidopsis.The Plant cell · 2024Article
- Liquid-liquid phase separation of TZP promotes PPK-mediated phosphorylation of the phytochrome A photoreceptor.Nature plants · 2024Article
- Phytochrome phosphorylation in plant light signaling.Frontiers in plant science · 2024Review
- LEAFY homeostasis is regulated via ubiquitin-dependent degradation and sequestration in cytoplasmic condensates.iScience · 2023Article
- FERONIA coordinates plant growth and salt tolerance via the phosphorylation of phyB.Nature plants · 2023Article
- Regulation of Plant Photoresponses by Protein Kinase Activity of Phytochrome A.International journal of molecular sciences · 2023Review
- TANDEM ZINC-FINGER/PLUS3 regulates phytochrome B abundance and signaling to fine-tune hypocotyl growth.The Plant cell · 2022Article
- UBP12 and UBP13 deubiquitinases destabilize the CRY2 blue light receptor to regulate Arabidopsis growth.Current biology : CB · 2022Article
- Importance of Tyrosine Phosphorylation in Hormone-Regulated Plant Growth and Development.International journal of molecular sciences · 2022Review
- Low molecular weight protein phosphatase APH mediates tyrosine dephosphorylation and ABA response in Arabidopsis.Stress biology · 2022Article
- PHYTOCHROME-INTERACTING FACTORs trigger environmentally responsive chromatin dynamics in plants.Nature genetics · 2021Article
- Phytochrome Signaling Networks.Annual review of plant biology · 2021Review
- Differing biophysical properties underpin the unique signaling potentials within the plant phytochrome photoreceptor families.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Auxin-Regulated Reversible Inhibition of TMK1 Signaling by MAKR2 Modulates the Dynamics of Root Gravitropism.Current biology : CB · 2021Article
- Response of Lignin Metabolism to Light Quality in Wheat Population.Frontiers in plant science · 2021Article
- Conformational Change of Tetratricopeptide Repeats Region Triggers Activation of Phytochrome-Associated Protein Phosphatase 5.Frontiers in plant science · 2021Article
- Editorial: Plant Phytochromes: From Structure to Signaling and Beyond.Frontiers in plant science · 2021Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
Abstract
Phytochromes are red/far-red light receptors that function in photomorphogenesis of plants. Photoisomerization of phytochrome by red light leads to its translocation to the nucleus, where it regulates gene expression. We examined whether phytochrome is phosphorylated in response to light, and we report that phytochrome B (phyB)'s N terminus contains a region with a number of phosphoserines, threonines, and tyrosines. The light-dependent phosphorylation of tyrosine 104 (Y104) appears to play a negative role in phyB's activity, because a phosphomimic mutant, phyBY104E, is unable to complement any phyB-related phenotype, is defective in binding to its signaling partner PIF3, and fails to form stable nuclear bodies even though it retains normal photochemistry in vitro. In contrast, plants stably expressing a nonphosphorylatable mutant, phyBY104F, are hypersensitive to light. The proper response to changes in the light environment is crucial for plant survival, and our study brings tyrosine phosphorylation to the forefront of light-signaling mechanisms.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.