Tuning of Pectin Methylesterification : PECTIN METHYLESTERASE INHIBITOR 7 modulates the processive activity of co-expressed PECTIN METHYLESTERASE 3 in a pH-dependent manner
- Senechal, Fabien,
- L 'enfant, Mélanie
- Domon, Jean-Marc,
- Rosiau, Emeline
- CREPEAU, Marie-Jeanne
- Surcouf, Ogier
- Esquivel-Rodríguez, Juan
- Marcelo, Paulo
- Mareck, Alain,
- Guerineau, Francois,
- Kim, Hyung-Rae
- MRAVEC, Jozef
- Bonnin, Estelle
- Jamet, Elisabeth
- Kihara, Daisuke
- Lerouge, Patrice
- Ralet, Marie-Christine
- Pelloux, Jérome
- Rayon, Catherine,
Publication date
September 2015
DOI Publisher
American Society for Biochemistry & Molecular Biology (ASBMB) ISSN
0021-9258 Citation count (estimate)
18Abstract
International audienceBackground: PME and PMEI isoforms are co-expressed in Arabidopsis. Their biochemical interaction is yet to be characterized. Results: The processive activity of AtPME3 is regulated by AtPMEI7 in a pH-dependent manner in vitro. Conclusion: AtPMEI7 is a key component of the regulation of AtPME3 activity in planta. Significance: The tuning of AtPME3 activity by AtPMEI7 brings insights into the control of homogalacturonan methylesteri-fication in plant cell walls
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