Identification of pectin methylesterase 3 as a basic pectin methylesterase isoform involved in adventitious rooting in Arabidopsis thaliana

Identification of pectin methylesterase 3 as a basic pectin methylesterase isoform involved in adventitious rooting in Arabidopsis thaliana

© 2011 The Authors. New Phytologist © 2011 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 192(2011), 1 vom: 01. Okt., Seite 114-126
1. Verfasser: Guénin, Stéphanie (VerfasserIn)
Weitere Verfasser: Mareck, Alain, Rayon, Catherine, Lamour, Romain, Assoumou Ndong, Yves, Domon, Jean-Marc, Sénéchal, Fabien, Fournet, Françoise, Jamet, Elisabeth, Canut, Hervé, Percoco, Giuseppe, Mouille, Grégory, Rolland, Aurélia, Rustérucci, Christine, Guerineau, François, Van Wuytswinkel, Olivier, Gillet, Françoise, Driouich, Azeddine, Lerouge, Patrice, Gutierrez, Laurent, Pelloux, Jérôme
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis Proteins Isoenzymes Pectins 89NA02M4RX Carboxylic Ester Hydrolases EC 3.1.1.- pectin methylesterase 3, Arabidopsis pectinesterase EC 3.1.1.11
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245 1 0 |a Identification of pectin methylesterase 3 as a basic pectin methylesterase isoform involved in adventitious rooting in Arabidopsis thaliana 
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520 |a © 2011 The Authors. New Phytologist © 2011 New Phytologist Trust. 
520 |a • Here, we focused on the biochemical characterization of the Arabidopsis thaliana pectin methylesterase 3 gene (AtPME3; At3g14310) and its role in plant development. • A combination of biochemical, gene expression, Fourier transform-infrared (FT-IR) microspectroscopy and reverse genetics approaches were used. • We showed that AtPME3 is ubiquitously expressed in A. thaliana, particularly in vascular tissues. In cell wall-enriched fractions, only the mature part of the protein was identified, suggesting that it is processed before targeting the cell wall. In all the organs tested, PME activity was reduced in the atpme3-1 mutant compared with the wild type. This was related to the disappearance of an activity band corresponding to a pI of 9.6 revealed by a zymogram. Analysis of the cell wall composition showed that the degree of methylesterification (DM) of galacturonic acids was affected in the atpme3-1 mutant. A change in the number of adventitious roots was found in the mutant, which correlated with the expression of the gene in adventitious root primordia. • Our results enable the characterization of AtPME3 as a major basic PME isoform in A. thaliana and highlight its role in adventitious rooting 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Isoenzymes  |2 NLM 
650 7 |a Pectins  |2 NLM 
650 7 |a 89NA02M4RX  |2 NLM 
650 7 |a Carboxylic Ester Hydrolases  |2 NLM 
650 7 |a EC 3.1.1.-  |2 NLM 
650 7 |a pectin methylesterase 3, Arabidopsis  |2 NLM 
650 7 |a EC 3.1.1.-  |2 NLM 
650 7 |a pectinesterase  |2 NLM 
650 7 |a EC 3.1.1.11  |2 NLM 
700 1 |a Mareck, Alain  |e verfasserin  |4 aut 
700 1 |a Rayon, Catherine  |e verfasserin  |4 aut 
700 1 |a Lamour, Romain  |e verfasserin  |4 aut 
700 1 |a Assoumou Ndong, Yves  |e verfasserin  |4 aut 
700 1 |a Domon, Jean-Marc  |e verfasserin  |4 aut 
700 1 |a Sénéchal, Fabien  |e verfasserin  |4 aut 
700 1 |a Fournet, Françoise  |e verfasserin  |4 aut 
700 1 |a Jamet, Elisabeth  |e verfasserin  |4 aut 
700 1 |a Canut, Hervé  |e verfasserin  |4 aut 
700 1 |a Percoco, Giuseppe  |e verfasserin  |4 aut 
700 1 |a Mouille, Grégory  |e verfasserin  |4 aut 
700 1 |a Rolland, Aurélia  |e verfasserin  |4 aut 
700 1 |a Rustérucci, Christine  |e verfasserin  |4 aut 
700 1 |a Guerineau, François  |e verfasserin  |4 aut 
700 1 |a Van Wuytswinkel, Olivier  |e verfasserin  |4 aut 
700 1 |a Gillet, Françoise  |e verfasserin  |4 aut 
700 1 |a Driouich, Azeddine  |e verfasserin  |4 aut 
700 1 |a Lerouge, Patrice  |e verfasserin  |4 aut 
700 1 |a Gutierrez, Laurent  |e verfasserin  |4 aut 
700 1 |a Pelloux, Jérôme  |e verfasserin  |4 aut 
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