Auxin signalling in growth: Schrödinger's cat out of the bag

M.C. Gallei, C. Luschnig, J. Friml, Current Opinion in Plant Biology 53 (2020) 43–49.

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Journal Article | Epub ahead of print | English
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Abstract
The phytohormone auxin acts as an amazingly versatile coordinator of plant growth and development. With its morphogen-like properties, auxin controls sites and timing of differentiation and/or growth responses both, in quantitative and qualitative terms. Specificity in the auxin response depends largely on distinct modes of signal transmission, by which individual cells perceive and convert auxin signals into a remarkable diversity of responses. The best understood, or so-called canonical mechanism of auxin perception ultimately results in variable adjustments of the cellular transcriptome, via a short, nuclear signal transduction pathway. Additional findings that accumulated over decades implied that an additional, presumably, cell surface-based auxin perception mechanism mediates very rapid cellular responses and decisively contributes to the cell's overall hormonal response. Recent investigations into both, nuclear and cell surface auxin signalling challenged this assumed partition of roles for different auxin signalling pathways and revealed an unexpected complexity in transcriptional and non-transcriptional cellular responses mediated by auxin.
Publishing Year
Date Published
2020-02-01
Journal Title
Current Opinion in Plant Biology
Volume
53
Page
43-49
ISSN
eISSN
IST-REx-ID

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Gallei MC, Luschnig C, Friml J. Auxin signalling in growth: Schrödinger’s cat out of the bag. Current Opinion in Plant Biology. 2020;53:43-49. doi:10.1016/j.pbi.2019.10.003
Gallei, M. C., Luschnig, C., & Friml, J. (2020). Auxin signalling in growth: Schrödinger’s cat out of the bag. Current Opinion in Plant Biology, 53, 43–49. https://doi.org/10.1016/j.pbi.2019.10.003
Gallei, Michelle C, C Luschnig, and Jiří Friml. “Auxin Signalling in Growth: Schrödinger’s Cat out of the Bag.” Current Opinion in Plant Biology 53 (2020): 43–49. https://doi.org/10.1016/j.pbi.2019.10.003.
M. C. Gallei, C. Luschnig, and J. Friml, “Auxin signalling in growth: Schrödinger’s cat out of the bag,” Current Opinion in Plant Biology, vol. 53, pp. 43–49, 2020.
Gallei MC, Luschnig C, Friml J. 2020. Auxin signalling in growth: Schrödinger’s cat out of the bag. Current Opinion in Plant Biology. 53, 43–49.
Gallei, Michelle C., et al. “Auxin Signalling in Growth: Schrödinger’s Cat out of the Bag.” Current Opinion in Plant Biology, vol. 53, Elsevier, 2020, pp. 43–49, doi:10.1016/j.pbi.2019.10.003.

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