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Trends Plant Sci. 2015 Aug;20(8):471-2. doi: 10.1016/j.tplants.2015.05.008. Epub 2015 Jun 1.

Auxin inhibits expansion rate independently of cortical microtubules.

Author information

1
Centre for Plant Integrative Biology, University of Nottingham, Sutton Bonington, Leicestershire LE12 5RD, UK; Biology Department, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: Tobias.Baskin@nottingham.ac.uk.

Abstract

A recent publication announces that auxin inhibits expansion by a mechanism based on the orientation of cortical microtubules. This is a textbook-revising claim, but as I argue here, a claim that is supported by neither the authors' data nor previous research, and is contradicted by a simple experiment.

KEYWORDS:

auxin-binding protein 1 (ABP1); growth direction; growth rate; microtubule orientation; tropism

PMID:
26044741
DOI:
10.1016/j.tplants.2015.05.008
[Indexed for MEDLINE]

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