PECTIN METHYLESTERASE INHIBITOR6 promotes Arabidopsis mucilage release by limiting methylesterification of homogalacturonan in seed coat epidermal cells.

@article{SaezAguayo2013PECTINMI,
  title={PECTIN METHYLESTERASE INHIBITOR6 promotes Arabidopsis mucilage release by limiting methylesterification of homogalacturonan in seed coat epidermal cells.},
  author={Susana Saez-Aguayo and Marie-Christine J Ralet and Adeline Berger and Lucy Botran and David Ropartz and Annie Marion-Poll and Lo{\"i}c Lepiniec},
  journal={The Plant cell},
  year={2013},
  volume={25 1},
  pages={308-23}
}
Imbibed seeds of the Arabidopsis thaliana accession Djarly are affected in mucilage release from seed coat epidermal cells. The impaired locus was identified as a pectin methylesterase inhibitor gene, PECTIN METHYLESTERASE INHIBITOR6 (PMEI6), specifically expressed in seed coat epidermal cells at the time when mucilage polysaccharides are accumulated. This spatio-temporal regulation appears to be modulated by GLABRA2 and LEUNIG HOMOLOG/MUCILAGE MODIFIED1, as expression of PMEI6 is reduced in… CONTINUE READING

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The sticky tale of seed coat mucilages: Production, genetics, and role in seed germination and dispersal

  • T. L. Western
  • Seed Sci. Res
  • 2012
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