Alignment between PIN1 Polarity and Microtubule Orientation in the Shoot Apical Meristem Reveals a Tight Coupling between Morphogenesis and Auxin Transport
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Morphogenesis during multicellular development is regulated by intercellular signaling molecules as well as by the mechanical properties of individual cells. In particular, normal patterns of organogenesis in plants require coordination between growth direction and growth magnitude. How this is achieved remains unclear. Here we show that in Arabidopsis thaliana, auxin patterning and cellular growth are linked through a correlated pattern of auxin efflux carrier localization and cortical microtubule orientation. Our experiments reveal that both PIN1 localization and microtubule array orientation are likely to respond to a shared upstream regulator that appears to be biomechanical in nature. Lastly, through mathematical modeling we show that such a biophysical coupling could mediate the feedback loop between auxin and its transport that underlies plant phyllotaxis.
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Intracellular PIN1 localization in the SAM is highly correlated with the orientation of cortical microtubules.
“Heisler et al. (2010) showed that intracellular PIN1 localization in the SAM is highly correlated with the orientation of cortical microtubules.”
From <i>Divide et impera</i>: boundaries shape the plant body and initiate new meristems (2016) · cites this paper as Heisler et al., 2010
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Sorted by citations
Leyser, O. (2018) · Plant Physiology · doi:10.1104/pp.17.00765 · Cited by 715 · see citing works
How boundaries control plant development
Žádníková, P., & Simon, R. (2014) · Current Opinion in Plant Biology · doi:10.1016/j.pbi.2013.11.013 · Cited by 121 · see citing works
<i>Divide et impera</i>: boundaries shape the plant body and initiate new meristems
Wang, Q., Hasson, A., Rossmann, S., & Theres, K. (2016) · New Phytologist · doi:10.1111/nph.13641 · Cited by 106 · see citing works
- Authors
- Heisler, M. G., Hamant, O., Krupinski, P., Uyttewaal, M., Ohno, C., Jönsson, H., Traas, J., & Meyerowitz, E. M.
- Affiliations
- California Institute of Technology (US)
- École Normale Supérieure de Lyon (FR)
- Lund University (SE)
- Corresponding author
- Jönsson, Henrik
- Traas, Jan
- Meyerowitz, Elliot M.
- ORCID
- Venue
- PLoS Biology
- Publisher
- Public Library of Science (PLoS)
- Published
- 2010-10-19
- Volume
- 8
- Issue
- 10
- Pages
- e1000516
- ISSN
- 1544-9173 (ISSN-L)
- 1545-7885
- PMC
- PMC2957402
- OpenAlex
- W1972112316
- Cited by
- 459
- References
- 1
- Citations by year
- 2026: 12 · 2025: 15 · 2024: 24 · 2023: 25 · 2022: 25 · 2021: 44 · 2020: 24 · 2019: 42 · 2018: 29 · 2017: 31 · 2016: 23 · 2015: 22 · 2014: 36 · 2013: 36 · 2012: 40
- FWCI
- 40.81
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- PLoS Biology (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- CaltechAUTHORS (California Institute of Technology) (submittedVersion, cc-by)
- HAL (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Lund University Publications (Lund University) (submittedVersion)
- Funders
- U.S. Department of Energy (FG02-88ER13873)
- Vetenskapsrådet
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Keywords
- Pin1, auxin efflux carriers, shoot apical meristem, auxin transport, morphogenesis, biomechanics, phyllotaxis, Arabidopsis thaliana, mathematical modeling, cell growth
- MeSH terms
- Benzamides, Biological Transport, Dinitrobenzenes, Indoleacetic Acids, Microtubules, Models, Theoretical, Morphogenesis, Recombinant Fusion Proteins, Stress, Mechanical, Sulfanilamides, Cell Polarity, Arabidopsis, Meristem, Plant Shoots, Membrane Transport Proteins, Arabidopsis Proteins, Tubulin Modulators
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