Storming the barricades of rhamnogalacturonan-II synthesis and function
Résumé
Despite its low abundance, rhamnogalacturonan-II (RG-II) is an essential structural component of the cell wall and is present in a highly conserved molecular configuration across all plants. RG-II is a branched pectin domain that contains 13 different sugars linked by over 20 different bond types, and uniquely among pectins it can be covalently dimerized via borate diesters. RG-II is hypothesized to crosslink the pectin matrix, controlling cell wall architecture and porosity, but has resisted detailed analyses due to its compositional complexity and the lethality of RG-II-deficient
Domaines
- Biologie végétale
- Biochimie [q-bio.BM]
- Phytopathologie et phytopharmacie
- Biologie moléculaire
- Génomique, Transcriptomique et Protéomique [q-bio.GN]
- Biologie cellulaire
- Organisation et fonctions cellulaires [q-bio.SC]
- Interactions cellulaires [q-bio.CB]
- Biologie du développement
- Biotechnologies
- Amélioration des plantes
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