ArticleProceedings of the National Academy of Sciences of the United States of America2014
Phytochrome C plays a major role in the acceleration of wheat flowering under long-day photoperiod.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers.
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113 citing papers in PubMed, 218 citations in OpenAlex.
- Intragenic suppressor screen of YHB identifies novel and known loss-of-function alleles of Arabidopsis phytochrome B.bioRxiv : the preprint server for biology · 2026Article
- Optimizing wheat development to a range of winter climates.Journal of experimental botany · 2026Review
- Structural and coding variation inbioRxiv : the preprint server for biology · 2026Article
- Wheat Plasma Membrane Receptors: Orchestrating Immunity and Bridging to Crop Improvement.Current issues in molecular biology · 2025Review
- Fine tuning wheat heading time through genome editing of transcription factor binding sites in Ppd-1 gene promoter.Scientific reports · 2025Article
- Breeding for delayed bolting decelerated the circadian clock in cultivated lettuce.The New phytologist · 2025Article
- The FKF1-ELF3-PRC2 module regulates flowering time in response to light in temperate grasses.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Florigen and antiflorigen gene expression correlates with reproductive state in a marine angiosperm,iScience · 2025Article
- Seasonal changes in daily temperature fluctuation control flowering through a time-dependent regulation ofResearch square · 2025Article
- Ambient temperature influenced co-expression network of major developmental, circadian, and photoreceptor genes in bread wheat.Scientific reports · 2025Article
- Translational insights into abiotic interactions: From Arabidopsis to crop plants.The Plant cell · 2025Review
- Identification of novel candidate gene associated with early heading on chromosome 5B in wheat mutantMolecular breeding : new strategies in plant improvement · 2025Article
- Complex Signaling Networks Underlying Blue-Light-Mediated Floral Transition in Plants.Plants (Basel, Switzerland) · 2025Review
- Dissecting the genetic architecture of key agronomic traits in lettuce using a MAGIC population.Genome biology · 2025Article
- Molecular genetic regulation of the vegetative-generative transition in wheat from an environmental perspective.Annals of botany · 2025Review
- Choosing which models best explain photoperiodic time measurement mechanisms in plants.Npj biological timing and sleep · 2025Review
- Chromatin loops gather targets of upstream regulators together for efficient gene transcription regulation during vernalization in wheat.Genome biology · 2024Article
- The H3K4 demethylase JMJ1 is required for proper timing of flowering in Brachypodium distachyon.The Plant cell · 2024Article
- Epigenetic control on transcription of vernalization genes and whole-genome gene expression profile induced by vernalization in common wheat.Plant diversity · 2024Article
- The TaSOC1-TaVRN1 module integrates photoperiod and vernalization signals to regulate wheat flowering.Plant biotechnology journal · 2024Article
53 more citing papers are in PubMed but not listed here.
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
Phytochromes are dimeric proteins that function as red and far-red light sensors influencing nearly every phase of the plant life cycle. Of the three major phytochrome families found in flowering plants, phytochrome C (PHYC) is the least understood. In Arabidopsis and rice, PHYC is unstable and functionally inactive unless it heterodimerizes with another phytochrome. However, when expressed in an Arabidopsis phy-null mutant, wheat PHYC forms signaling active homodimers that translocate into the nucleus in red light to mediate photomorphogenic responses. Tetraploid wheat plants homozygous for loss-of-function mutations in all PHYC copies (phyC(AB)) flower on average 108 d later than wild-type plants under long days but only 19 d later under short days, indicating a strong interaction between PHYC and photoperiod. This interaction is further supported by the drastic down-regulation in the phyC(AB) mutant of the central photoperiod gene photoperiod 1 (PPD1) and its downstream target flowering locus T1, which are required for the promotion of flowering under long days. These results implicate light-dependent, PHYC-mediated activation of PPD1 expression in the acceleration of wheat flowering under inductive long days. Plants homozygous for the phyC(AB) mutations also show altered profiles of circadian clock and clock-output genes, which may also contribute to the observed differences in heading time. Our results highlight important differences in the photoperiod pathways of the temperate grasses with those of well-studied model plant species.
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