ArticlePlant physiology2023
Auxin-independent effects of apical dominance induce changes in phytohormones correlated with bud outgrowth.
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 35 papers.
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Who cites it
35 citing papers in PubMed, 72 citations in OpenAlex.
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- BRANCHED1 acts as a rheostat of Nuclear Factor Y-dependent epigenetic regulation in axillary bud development.Nature communications · 2026Article
- Environmental Risk Assessment and Confinement of Genetically Engineered Trees with an Emphasis on Vegetative Reproduction.Plants (Basel, Switzerland) · 2026Review
- Gene Editing of Nicotiana benthamiana Architecture for Space-Efficient Production of Recombinant Proteins in Closed Environments.Plant biotechnology journal · 2026Article
- Rhizosphere microbiome dynamics and hormonal interactions regulating tiller development in sugarcane cultivars.Scientific reports · 2026Article
- The old pea model in a new light: power of auxin over photoassimilates.Scientific reports · 2026Article
- Re-examining potato dormancy in the context of commercial tuber storage.Journal of experimental botany · 2026Review
- FveDAD2 negatively regulates branch crowns by affecting abscisic acid metabolism through FveHB7 in woodland strawberry.Horticulture research · 2026Article
- Decapitation Rapidly Triggers Axillary Bud Release via Regulatory Network Reprogramming inPlants (Basel, Switzerland) · 2025Article
- A B3 Domain Transcription Factor NtMAB1 Regulates the Release and Outgrowth of Axillary Buds in Tobacco.Plant biotechnology journal · 2025Article
- The curious origins of a high-stress training technique mainlining: its molecular, biochemical, and agronomic perspectives for the cultivation of Cannabis sativa.Journal of cannabis research · 2025Review
- UPLC-ESI-QTRAP-MS-Based Metabolomics Revealed Changes in Biostimulant-Related Metabolite Profiles inMetabolites · 2025Article
- Development of Dispersive Liquid-Liquid Microextraction Method Based on Solidification of Floating Organic Droplets for Rapid Determination of Three Strigolactones in Rice (International journal of molecular sciences · 2025Article
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- Comparison of endogenous hormone content and balance inFrontiers in plant science · 2025Article
- Analysis of the molecular mechanism endogenous hormone regulating axillary bud development in Pinus yunnanensis.BMC plant biology · 2024Article
- Sugar Transport and Signaling in Shoot Branching.International journal of molecular sciences · 2024Review
- Physiological and molecular mechanisms associated with potato tuber dormancy.Journal of experimental botany · 2024Review
- Gibberellin 2-oxidase 1(CsGA2ox1) involved gibberellin biosynthesis regulates sprouting time in camellia sinensis.BMC plant biology · 2024Article
- Targeted Metabolites and Transcriptome Analysis Uncover the Putative Role of Auxin in Floral Sex Determination inPlants (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The inhibition of shoot branching by the growing shoot tip of plants, termed apical dominance, was originally thought to be mediated by auxin. Recently, the importance of the shoot tip sink strength during apical dominance has re-emerged with recent studies highlighting roles for sugars in promoting branching. This raises many unanswered questions on the relative roles of auxin and sugars in apical dominance. Here we show that auxin depletion after decapitation is not always the initial trigger of rapid cytokinin (CK) increases in buds that are instead correlated with enhanced sugars. Auxin may also act through strigolactones (SLs) which have been shown to suppress branching after decapitation, but here we show that SLs do not have a significant effect on initial bud outgrowth after decapitation. We report here that when sucrose or CK is abundant, SLs are less inhibitory during the bud release stage compared to during later stages and that SL treatment rapidly inhibits CK accumulation in pea (Pisum sativum) axillary buds of intact plants. After initial bud release, we find an important role of gibberellin (GA) in promoting sustained bud growth downstream of auxin. We are, therefore, able to suggest a model of apical dominance that integrates auxin, sucrose, SLs, CKs, and GAs and describes differences in signalling across stages of bud release to sustained growth.
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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.