Document Detail


Arabidopsis cuticular waxes: advances in synthesis, export and regulation.
MedLine Citation:
PMID:  23103356     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Cuticular waxes and cutin form the cuticle, a hydrophobic layer covering the aerial surfaces of land plants and acting as a protective barrier against environmental stresses. Very long chain fatty acid derived compounds composing the cuticular waxes are produced in the endoplasmic reticulum of epidermal cells before being exported to the environmental face of the epidermis. Twenty years of genetic studies on Arabidopsis led to the molecular characterization of enzymes catalyzing major steps in fatty acid elongation and wax biosynthesis. Although transporters required for wax export from the plasma membrane have been identified, intracellular and extracellular traffic remains largely unknown. In accordance with its major function in producing an active waterproof barrier, wax metabolism is up-regulated at the transcriptional level in response to water deficiency; however its developmental regulation is still poorly described. Here, we discuss the present knowledge of wax functions, biosynthesis and transport as well as the regulation of these processes.
Authors:
Amélie Bernard; Jérôme Joubès
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-25
Journal Detail:
Title:  Progress in lipid research     Volume:  -     ISSN:  1873-2194     ISO Abbreviation:  Prog. Lipid Res.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7900832     Medline TA:  Prog Lipid Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Affiliation:
Université de Bordeaux, Laboratoire de Biogenèse Membranaire, UMR5200, F-33000 Bordeaux, France; CNRS, Laboratoire de Biogenèse Membranaire, UMR5200, F-33000 Bordeaux, France. Electronic address: amelie.bernard@hotmail.fr.
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