Journal
FUNCTIONAL PLANT BIOLOGY
Volume 41, Issue 9, Pages 914-921Publisher
CSIRO PUBLISHING
DOI: 10.1071/FP13338
Keywords
Arabidopsis thaliana; cell shape formation; cell wall; cytoskeleton; leaf development; pavement cell
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Funding
- Research Foundation - Flanders (FWO)
- University of Antwerp
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Epidermal pavement cells appear with a fascinating irregular wavy shape in the Arabidopsis thaliana leaf. This review addresses the questions of why this particular shape is produced during leaf development and how this is accomplished. To answer the first question most probably waviness offers some biomechanical benefits over other organisations. Different positions of lobe-formation are therefore explored and discussed. At the moment, however, no hard evidence that favours any one morphology is available. The latter question comprises the biomechanical accomplishment of shape and refers to the cell wall and cytoskeletal involvement herein. A current model for pavement cell development is discussed but remaining questions and pitfalls are put forward. Moreover, an overview of the genetic and biochemical regulatory pathways that are described up to date in the literature is presented.
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