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Article

Pectin methyltransferase QUASIMODO2 functions in the formation of seed coat mucilage in Arabidopsis.

Journal of plant physiology - 1 Jul 2022

Du Juan, Ruan Mei, Li Xiaokun, Lan Qiuyan, Zhang Qing, Hao Shuang, Gou Xin, Anderson Charles T, Xiao Chaowen

Abstract excerpt

Pectin, cellulose, and hemicelluloses are major components of primary cell walls in plants. In addition to cell adhesion and expansion, pectin plays a central role in seed mucilage. Seed mucilage contains abundant pectic rhamnogalacturonan-I (RG-I) and lower amounts of homogalacturonan (HG), cellulose, and hemicelluloses. Previously, accumulated evidence has addressed the role of pectin RG-I in mucilage...

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Identifiers

PMID: 35597109
DOI: 10.1016/j.jplph.2022.153709

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Pectin methyltransferase QUASIMODO2 functions in the formation of seed coat mucilage in Arabidopsis.PMID 35597109Read ↗

Mutations in the Pectin Methyltransferase QUASIMODO2 Influence Cellulose Biosynthesis and Wall Integrity in Arabidopsis.Semantic proximity Read ↗

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A naturally occurring mutation in an Arabidopsis accession affects a beta-D-galactosidase that increases the hydrophilic potential of rhamnogalacturonan I in seed mucilage.Semantic proximity Read ↗

PME58 plays a role in pectin distribution during seed coat mucilage extrusion through homogalacturonan modification.Semantic proximity Read ↗

MYB-bHLH-TTG1 in a Multi-tiered Pathway Regulates Arabidopsis Seed Coat Mucilage Biosynthesis Genes Including PECTIN METHYLESTERASE INHIBITOR14 Required for Homogalacturonan Demethylesterification.Semantic proximity Read ↗

Highly Branched Xylan Made by IRREGULAR XYLEM14 and MUCILAGE-RELATED21 Links Mucilage to Arabidopsis Seeds.Semantic proximity Read ↗

Two β-glucuronosyltransferases involved in the biosynthesis of type II arabinogalactans function in mucilage polysaccharide matrix organization in Arabidopsis thaliana.Semantic proximity Read ↗

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

QUASIMODO1 encodes a putative membrane-bound glycosyltransferase required for normal pectin synthesis and cell adhesion in Arabidopsis.Semantic proximity Read ↗

HIGHLY METHYL ESTERIFIED SEEDS is a pectin methyl esterase involved in embryo development.Semantic proximity Read ↗

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