The fall and rise of apical dominance
Abstract
The plant hormone auxin, synthesised in the shoot apex, moves down the stem and inhibits lateral branching. Auxin does not travel upward into the branches, so it must act indirectly; for example, through a second messenger. However, recent work on auxin transport suggests a possible additional mechanism whereby auxin transport in the stem prevents the establishment of auxin transport out of the branches, inhibiting their growth.
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Axillary branching is normally suppressed or at least reduced by the shoot apex through a regulatory system termed apical dominance.
“Axillary branching is normally suppressed or at least reduced by the shoot apex through a regulatory system that has been termed apical dominance (reviewed in Cline, 1997; Leyser, 2005).”
From Shaping plant architecture (2015) · cites this paper as Leyser, 2005
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References 27 · Cited by 135
- Authors
- Leyser, O.
- Affiliations
- University of York (GB)
- Corresponding author
- Leyser, Ottoline
- ORCID
- Leyser, Ottoline
- Venue
- Current Opinion in Genetics & Development
- Publisher
- Elsevier BV
- Published
- 2005-08
- Volume
- 15
- Issue
- 4
- Pages
- 468-471
- ISSN
- 0959-437X (ISSN-L)
- OpenAlex
- W2014819523
- Cited by
- 135
- References
- 27
- Citations by year
- 2026: 4 · 2025: 3 · 2024: 5 · 2023: 5 · 2022: 5 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 8 · 2017: 2 · 2016: 8 · 2015: 3 · 2014: 7 · 2013: 7 · 2012: 11
- FWCI
- 1.04
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Current Opinion in Genetics & Development (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Biotechnology and Biological Sciences Research Council (BB/C518057/1)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
- Keywords
- apical dominance, auxin, auxin transport, lateral branching, shoot apex, plant hormones, second messenger signaling
- MeSH terms
- Biological Transport, Indoleacetic Acids, Models, Biological, Signal Transduction, Arabidopsis, Gene Expression Regulation, Plant, Meristem, Plant Shoots
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