Interactions between Axillary Branches of Arabidopsis
Open accessAbstract
Studies of apical dominance have benefited greatly from two-branch assays in pea and bean, in which the shoot system is trimmed back to leave only two active cotyledonary axillary branches. In these two-branch shoots, a large body of evidence shows that one actively growing branch is able to inhibit the growth of the other, prompting studies on the nature of the inhibitory signals, which are still poorly understood. Here, we describe the establishment of two-branch assays in Arabidopsis, using consecutive branches on the bolting stem. As with the classical studies in pea and bean, these consecutive branches are able to inhibit one another's growth. Not only can the upper branch inhibit the lower branch, but also the lower branch can inhibit the upper branch, illustrating the bi-directional action of the inhibitory signals. Using mutants, we show that the inhibition is partially dependent on the MAX pathway and that while the inhibition is clearly transmitted across the stem from the active to the inhibited branch, the vascular connectivity of the two branches is weak, and the MAX pathway is capable of acting unilaterally in the stem.
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Bud vascular traces were found to be repelled from leaf vasculature in the Arabidopsis ccd8 mutant background.
“Interestingly, bud vascular traces were found to be repelled from leaf vasculature in the Arabidopsis ccd8 mutant background (Ongaro et al., 2008).”
From Strigolactone Acts Downstream of Auxin to Regulate Bud Outgrowth in Pea and Arabidopsis (2009) · cites this paper as Ongaro et al., 2008
Cites
<i>MAX1</i> and <i>MAX2</i> control shoot lateral branching in <i>Arabidopsis</i>
Stirnberg, P., van de Sande, K., & Leyser, H. M. O. (2002) · Development · doi:10.1242/dev.129.5.1131 · Cited by 692 · see citing works
Sites and homeostatic control of auxin biosynthesis in <i>Arabidopsis</i> during vegetative growth
Ljung, K., Bhalerao, R. P., & Sandberg, G. (2001) · The Plant Journal · doi:10.1046/j.1365-313x.2001.01173.x · Cited by 653 · see citing works
Sorefan, K., Booker, J., Haurogné, K., Goussot, M., Bainbridge, K., Foo, E., Chatfield, S., Ward, S., Beveridge, C., Rameau, C., et al. (2003) · Genes & Development · doi:10.1101/gad.256603 · Cited by 604 · see citing works
Self-citationCline, M. G. (1991) · The Botanical Review · doi:10.1007/bf02858771 · Cited by 380 · see citing works
Talbert, P. B., Adler, H. T., Parks, D. W., & Comai, L. (1995) · Development · doi:10.1242/dev.121.9.2723 · Cited by 365 · see citing works
Morris, D. A. (1977) · Planta · doi:10.1007/bf00387930 · Cited by 165 · see citing works
<i>AXR1</i> Acts after Lateral Bud Formation to Inhibit Lateral Bud Growth in Arabidopsis
Stirnberg, P., Chatfield, S. P., & Leyser, H. M. O. (1999) · Plant Physiology · doi:10.1104/pp.121.3.839 · Cited by 152 · see citing works
Li, C., & Bangerth, F. (1999) · Physiologia Plantarum · doi:10.1034/j.1399-3054.1999.106409.x · Cited by 130 · see citing works
Hall, S. M., & Hillman, J. R. (1975) · Planta · doi:10.1007/bf00383862 · Cited by 113 · see citing works
Feedback regulation of xylem cytokinin content is conserved in pea and Arabidopsis
Foo, E., Morris, S. E., Parmenter, K., Young, N., Wang, H., Jones, A., Rameau, C., Turnbull, C. G. N., & Beveridge, C. A. (2007) · Plant Physiology · doi:10.1104/pp.106.093708 · Cited by 107 · see citing works
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Strigolactone Acts Downstream of Auxin to Regulate Bud Outgrowth in Pea and Arabidopsis
Brewer, P. B., Dun, E. A., Ferguson, B. J., Rameau, C., & Beveridge, C. A. (2009) · PLANT PHYSIOLOGY · doi:10.1104/pp.108.134783 · Cited by 418 · see citing works
“Interestingly, bud vascular traces were found to be repelled from leaf vasculature in the Arabidopsis ccd8 mutant background (Ongaro et al., 2008).”
BackgroundStrigolactones enhance competition between shoot branches by dampening auxin transport
Crawford, S., Shinohara, N., Sieberer, T., Williamson, L., George, G., Hepworth, J., Müller, D., Domagalska, M. A., & Leyser, O. (2010) · Development · doi:10.1242/dev.051987 · Cited by 384 · see citing works
Self-citationStrigolactones and the control of plant development: lessons from shoot branching
Waldie, T., McCulloch, H., & Leyser, O. (2014) · The Plant Journal · doi:10.1111/tpj.12488 · Cited by 242 · see citing works
Self-citationUsing Arabidopsis to Study Shoot Branching in Biomass Willow
Ward, S. P., Salmon, J., Hanley, S. J., Karp, A., & Leyser, O. (2013) · Plant Physiology · doi:10.1104/pp.113.218461 · Cited by 25 · see citing works
Self-citation
- Authors
- Ongaro, V., Bainbridge, K., Williamson, L., & Leyser, O.
- Affiliations
- University of Bern (CH)
- University of York (GB)
- ORCID
- Leyser, Ottoline
- Venue
- Molecular Plant
- Publisher
- Elsevier BV
- Published
- 2008-03
- Volume
- 1
- Issue
- 2
- Pages
- 388-400
- ISSN
- 1674-2052 (ISSN-L)
- OpenAlex
- W1966195728
- Cited by
- 65
- References
- 11
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 5 · 2020: 2 · 2019: 5 · 2018: 5 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 5 · 2013: 5 · 2012: 4
- FWCI
- 6.06
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Molecular Plant (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Biotechnology and Biological Sciences Research Council (BB/C518057/1)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
- Keywords
- apical dominance, Arabidopsis thaliana, inhibitory signals, vascular connectivity
- MeSH terms
- Homeostasis, Indoleacetic Acids, Fabaceae, Oxygenases, Plant Growth Regulators, Arabidopsis, Plant Leaves, Meristem, Plant Shoots, Pisum sativum, Plant Stems, Arabidopsis Proteins, Basic-Leucine Zipper Transcription Factors
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