ArticlePlant physiology2023
Cytokinin signaling regulates two-stage inflorescence arrest in Arabidopsis.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 29 citations in OpenAlex.
- SMXL3 controls multiple aspects of Arabidopsis development via EAR motif-dependent and -independent functions.The Plant journal : for cell and molecular biology · 2026Article
- Seasons and shape: inflorescences from autumn to summer.Journal of experimental botany · 2025Review
- Linking pod-set and seed yield of faba bean across organ, phytomer, plant, and population scales.Journal of experimental botany · 2025Article
- "Seeds tyranny: No flowers for old plants".Plant physiology · 2025Article
- The quantitative effect of seed production triggers the end of flowering in tomato.Plant physiology · 2025Article
- Biomechanical analysis reveals hormonal crosstalk in inflorescence bending of cut stock flower.Scientific reports · 2025Article
- Revisiting the Proliferated Seed Cones inPlant direct · 2025Article
- The CRK14 gene encoding a cysteine-rich receptor-like kinase is implicated in the regulation of global proliferative arrest in Arabidopsis thaliana.Genes to cells : devoted to molecular & cellular mechanisms · 2024Article
- Cytokinin and reproductive shoot architecture: bigger and better?Biochemical Society transactions · 2024Review
- Transcription factors HB21/40/53 trigger inflorescence arrest through abscisic acid accumulation at the end of flowering.Plant physiology · 2024Article
- FLOWERING LOCUS T-mediated thermal signalling regulates age-dependent inflorescence development in Arabidopsis thaliana.Journal of experimental botany · 2024Article
- Flowering also has to end: knowns and unknowns of reproductive arrest in monocarpic plants.Journal of experimental botany · 2023Review
- Timekeeper's dilemma: How photo-thermal cues alter flowering duration.Plant physiology · 2023Article
- FLOWERING LOCUS T mediates photo-thermal timing of inflorescence meristem arrest in Arabidopsis thaliana.Plant physiology · 2023Article
- Just enough fruit: understanding feedback mechanisms during sexual reproductive development.Journal of experimental botany · 2023Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
To maximize reproductive success, flowering plants must correctly time entry and exit from the reproductive phase. While much is known about mechanisms that regulate initiation of flowering, end-of-flowering remains largely uncharacterized. End-of-flowering in Arabidopsis (Arabidopsis thaliana) consists of quasi-synchronous arrest of inflorescences, but it is unclear how arrest is correctly timed with respect to environmental stimuli and reproductive success. Here, we showed that Arabidopsis inflorescence arrest is a complex developmental phenomenon, which includes the arrest of the inflorescence meristem (IM), coupled with a separable "floral arrest" of all unopened floral primordia; these events occur well before visible inflorescence arrest. We showed that global inflorescence removal delays both IM and floral arrest, but that local fruit removal only delays floral arrest, emphasizing their separability. We tested whether cytokinin regulates inflorescence arrest, and found that cytokinin signaling dynamics mirror IM activity, while cytokinin treatment can delay both IM and floral arrest. We further showed that gain-of-function cytokinin receptor mutants can delay IM and floral arrest; conversely, loss-of-function mutants prevented the extension of flowering in response to inflorescence removal. Collectively, our data suggest that the dilution of cytokinin among an increasing number of sink organs leads to end-of-flowering in Arabidopsis by triggering IM and floral arrest.
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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.