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Permanent link (DOI): https://doi.org/10.7939/R38X2D

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Regulation of Auxin Transport in Arabidopsis Leaf Vascular Development Open Access

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Other title
Subject/Keyword
Vascular
PIN
Auxin
Arabidopsis
Light
Development
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Sherr, Ira
Supervisor and department
Scarpella, Enrico (Biological Sciences)
Examining committee member and department
Hacke, Uwe (Renewable Resources)
Deyholos, Michael (Biological Sciences)
Department
Department of Biological Sciences
Specialization
Plant Biology
Date accepted
2012-06-07T11:20:32Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
ABSTRACT The plant vascular system transports water and nutrients, but also regulatory molecules that function in short- and long-distance mechanisms to pattern surrounding tissues. As such, the development of the vascular system is tied to the overall patterning and development of the plant body. The plant signal hormone auxin functions in short-range mechanisms to pattern vascular strands in the leaf (‘veins’), therefore the polar transport of auxin is crucial to vein development. In this study I have investigated the contributions to vein patterning of both light perception, and polarity alterations that are mediated by the AGCVIIIa subfamily of serine-threonine kinases. I have found UV-A/blue and red/far red signalling negatively regulates vein network formation, and that red/far red signalling antagonizes auxin transport in vein patterning. As well, I have found that the AGCVIIIa serine-threonine kinases regulate vein patterning, and do so at least partially through interaction with auxin transport.
Language
English
DOI
doi:10.7939/R38X2D
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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Last modified: 2015:10:12 16:33:23-06:00
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File title: CHAPTER 1: GENERAL INTRODUCTION
File author: Ira Sherr
Page count: 60
File language: en-CA
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