Demethylesterification of cell wall pectins in Arabidopsis plays a role in seed germination.

@article{Mller2013DemethylesterificationOC,
  title={Demethylesterification of cell wall pectins in Arabidopsis plays a role in seed germination.},
  author={Kerstin B M{\"u}ller and Gabriel Levesque-Tremblay and Sebastian Bartels and Karin Weitbrecht and Alexandra Wormit and Bj{\"o}rn Usadel and George W Haughn and Allison R Kermode},
  journal={Plant physiology},
  year={2013},
  volume={161 1},
  pages={305-16}
}
The methylesterification status of cell wall homogalacturonans, mediated through the action of pectin methylesterases (PMEs), influences the biophysical properties of plant cell walls such as elasticity and porosity, important parameters for cell elongation and water uptake. The completion of seed germination requires cell wall extensibility changes in both the radicle itself and in the micropylar tissues surrounding the radicle. In wild-type seeds of Arabidopsis (Arabidopsis thaliana), PME… CONTINUE READING

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