Deepening the Role of Pectin in the Tissue Assembly Process During Tomato Grafting

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dc.contributor.authorFrey, Carlos
dc.contributor.authorSaez-Aguayo, Susana
dc.contributor.authorEncina, Antonio
dc.contributor.authorAcebes, José Luis
dc.date.accessioned2025-03-10T22:08:04Z
dc.date.available2025-03-10T22:08:04Z
dc.date.issued2024-12
dc.descriptionIndexación: Scopus
dc.description.abstractCell walls play essential roles in cell recognition, tissue adhesion, and wound response. In particular, pectins as cell-adhesive agents are expected to play a key role in the early stages of grafting. To test this premise, this study focused on examining the dynamics of the accumulation and degree of methyl-esterification of pectic polysaccharides at the graft junctions using tomato autografts as an experimental model. Monosaccharide analysis showed a marked increase in homogalacturonan from 25% to 32 or 34% at the junction zones early after grafting. In addition, a decrease in the degree of homogalacturonan methyl-esterification up to 38% in the scion and 64% in the rootstock was observed in the first few days after grafting, accompanied by an increase in pectin methyl-esterase activity of up to 20–30% in the tissues surrounding the graft junction. These results shed light on the role of homogalacturonan in grafting and reinforce the key function of pectin as one of the most relevant cell wall components during the grafting process. © 2024 by the authors.
dc.description.urihttps://www.mdpi.com/2223-7747/13/24/3519
dc.identifier.citationPlants. Volume 13, Issue 24. December 2024. Article number 3519
dc.identifier.doi10.3390/plants13243519
dc.identifier.issn2223-7747
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/63722
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.rights.licenseAttribution 4.0 International Deed (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectDegree of methyl-esterification
dc.subjectGrafting
dc.subjectHomogalacturonan
dc.subjectPectin
dc.subjectPectin methyl-esterase
dc.subjectSolanum lycopersicum
dc.titleDeepening the Role of Pectin in the Tissue Assembly Process During Tomato Grafting
dc.typeArtículo
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