ArticleThe New phytologist2023
The FLOWERING LOCUS T gene expression is controlled by high-irradiance response and external coincidence mechanism in long days in Arabidopsis.
Article in The New phytologist, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 35 citations in OpenAlex.
- Integrated circadian regulation in horticultural plants: light-environment mechanisms governing growth and development.Horticulture research · 2026Article
- Early birds and night owls: natural variation of circadian traits in plants.Journal of experimental botany · 2026Review
- Cis-regulatory architecture downstream of FLOWERING LOCUS T underlies quantitative control of flowering in Arabidopsis thaliana.Genome biology · 2026Article
- Article
- The discovery of twilight length sensing in plants and its implications for models of plant photoperiodism.The New phytologist · 2026Review
- Companion cells with high florigen production express other small proteins and reveal a nitrogen-sensitiveeLife · 2025Article
- Florigen and antiflorigen gene expression correlates with reproductive state in a marine angiosperm,iScience · 2025Article
- Companion cells with high florigen production express other small proteins and reveal a nitrogen-sensitivebioRxiv : the preprint server for biology · 2025Article
- Seasonal changes in daily temperature fluctuation control flowering through a time-dependent regulation ofResearch square · 2025Article
- Field-crop transcriptome models are enhanced by measurements in systematically controlled environments.Genome biology · 2025Article
- Florigen-producing cells express FPF1-LIKE PROTEIN 1 to accelerate flowering and stem growth in Arabidopsis.Developmental cell · 2025Article
- Exploring the multifaceted dynamics of flowering time regulation in field crops: Insight and intervention approaches.The plant genome · 2025Review
- Sensitivity to Photoperiod Is a Complex Trait inPlant direct · 2025Article
- Choosing which models best explain photoperiodic time measurement mechanisms in plants.Npj biological timing and sleep · 2025Review
- Circadian and environmental signal integration in a natural population ofProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Twilight length alters growth and flowering time in Arabidopsis viaScience advances · 2024Article
- Florigen-producing cells express FPF1-LIKE PROTEIN 1 that accelerates flowering and stem growth in long days with sunlight red/far-red ratio inbioRxiv : the preprint server for biology · 2024Article
- Disrupting FKF1 homodimerization increases FT transcript levels in the evening by enhancing CO stabilization.Plant cell reports · 2024Article
- Insight from expression profiles ofFrontiers in plant science · 2024Review
- Low temperature-mediated repression and far-red light-mediated induction determine morning FLOWERING LOCUS T expression levels.Journal of integrative plant biology · 2024Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 3 countries.
Funding
Abstract
In natural long days, the florigen gene FLOWERING LOCUS T (FT) shows a bimodal expression pattern with morning and dusk peaks in Arabidopsis. This pattern differs from the one observed in the laboratory, and little is known about underlying mechanisms. A red : far-red (R : FR) ratio difference between sunlight and fluorescent light causes this FT pattern mismatch. We showed that bimodal FT expression patterns were induced in a day longer than 14 h with sunlight R : FR (= c. 1) conditions. By circadian gating experiments, we found that cumulative exposure of R : FR-adjusted light (R : FR ratio was adjusted to 1 with FR supplement) spanning from the afternoon to the next morning required full induction of FT in the morning. Conversely, only 2 h of R : FR adjustment in the late afternoon was sufficient for FT induction at dusk. We identified that phytochrome A (phyA) is required for the morning FT expression in response to the R : FR adjustment on the previous day. As a part of this mechanism, we showed that PHYTOCHROME-INTERACTING FACTOR 7 contributes to FT regulation. Our results suggest that phyA-mediated high-irradiance response and the external coincidence mechanism contribute to morning FT induction under natural long-day conditions.
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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.