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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eru272
|2 doi
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|a eng
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|a Sénéchal, Fabien
|e verfasserin
|4 aut
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|a Homogalacturonan-modifying enzymes
|b structure, expression, and roles in plants
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.05.2015
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|a Date Revised 22.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2014. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Understanding the changes affecting the plant cell wall is a key element in addressing its functional role in plant growth and in the response to stress. Pectins, which are the main constituents of the primary cell wall in dicot species, play a central role in the control of cellular adhesion and thereby of the rheological properties of the wall. This is likely to be a major determinant of plant growth. How the discrete changes in pectin structure are mediated is thus a key issue in our understanding of plant development and plant responses to changes in the environment. In particular, understanding the remodelling of homogalacturonan (HG), the most abundant pectic polymer, by specific enzymes is a current challenge in addressing its fundamental role. HG, a polymer that can be methylesterified or acetylated, can be modified by HGMEs (HG-modifying enzymes) which all belong to large multigenic families in all species sequenced to date. In particular, both the degrees of substitution (methylesterification and/or acetylation) and polymerization can be controlled by specific enzymes such as pectin methylesterases (PMEs), pectin acetylesterases (PAEs), polygalacturonases (PGs), or pectate lyases-like (PLLs). Major advances in the biochemical and functional characterization of these enzymes have been made over the last 10 years. This review aims to provide a comprehensive, up to date summary of the recent data concerning the structure, regulation, and function of these fascinating enzymes in plant development and in response to biotic stresses
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Review
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|a Biotic stress
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|a development
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|a homogalacturonans
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|a pectate lyase-like
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|a pectin methylesterase
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|a pectins
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|a polygalacturonase.
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|a Pectins
|2 NLM
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|a 89NA02M4RX
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|a Esterases
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|a EC 3.1.-
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|a Carboxylic Ester Hydrolases
|2 NLM
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|a EC 3.1.1.-
|2 NLM
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|a pectinacetylesterase
|2 NLM
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|a EC 3.1.1.-
|2 NLM
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|a pectinesterase
|2 NLM
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|a EC 3.1.1.11
|2 NLM
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|a Polygalacturonase
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|a EC 3.2.1.15
|2 NLM
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|a polygalacturonic acid
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|a VV3XD4CL04
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|a Wattier, Christopher
|e verfasserin
|4 aut
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|a Rustérucci, Christine
|e verfasserin
|4 aut
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|a Pelloux, Jérôme
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 65(2014), 18 vom: 23. Okt., Seite 5125-60
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|x 1460-2431
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|g volume:65
|g year:2014
|g number:18
|g day:23
|g month:10
|g pages:5125-60
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|u http://dx.doi.org/10.1093/jxb/eru272
|3 Volltext
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