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Article

Analysis of xyloglucan metabolism mutants highlights the prominent role of xylose cleavage in seed dormancy.

The Plant journal : for cell and molecular biology - 1 Apr 2025

Suzuki Hiromi, Savane Parisa, Marion-Poll Lucile, Sechet Julien, Frey Anne, Berger Adeline, Belcram Katia, Borrega Nero, Seo Mitsunori, Voxeur Aline, Mouille Grégory, Marion-Poll Annie

Abstract excerpt

Seed dormancy is an adaptive trait that delays germination until environmental conditions become favorable for seedling survival and growth. Germination has been shown to depend on the mechanical resistance strength of the covering layers (testa and endosperm) that counteracts the growth force of the embryo. Cell wall remodeling is essential in the regulation of germination processes. In Arabidopsis thaliana, the...

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Topics

Xylans
Arabidopsis
Plant Dormancy
Cell Wall
Glucans
Mutation

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Xylose

Seeds

Germination

Arabidopsis Proteins

Xylosidases

beta-Galactosidase

Source

Open in PubMed Open full text

Identifiers

PMID: 40162689
DOI: 10.1111/tpj.70063
PMCID: PMC11956407

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Analysis of xyloglucan metabolism mutants highlights the prominent role of xylose cleavage in seed dormancy.PMID 40162689Read ↗

Xyloglucan Metabolism Differentially Impacts the Cell Wall Characteristics of the Endosperm and Embryo during Arabidopsis Seed Germination.Semantic proximity Read ↗

Lack of α-xylosidase activity in Arabidopsis alters xyloglucan composition and results in growth defects.Semantic proximity Read ↗

Xylan synthesized by Irregular Xylem 14 (IRX14) maintains the structure of seed coat mucilage in Arabidopsis.Semantic proximity Read ↗

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

AXY3 encodes a α-xylosidase that impacts the structure and accessibility of the hemicellulose xyloglucan in Arabidopsis plant cell walls.Semantic proximity Read ↗

A class II KNOX gene, KNOX4, controls seed physical dormancy.Semantic proximity Read ↗

DELAY OF GERMINATION 1 mediates a conserved coat-dormancy mechanism for the temperature- and gibberellin-dependent control of seed germination.Semantic proximity Read ↗

AtBGAL10 is the main xyloglucan β-galactosidase in Arabidopsis, and its absence results in unusual xyloglucan subunits and growth defects.Semantic proximity Read ↗

Distinct cell wall architectures in seed endosperms in representatives of the Brassicaceae and Solanaceae.Semantic proximity Read ↗

Soluble and Membrane-Bound β-Glucosidases Are Involved in Trimming the Xyloglucan Backbone.Semantic proximity Read ↗

Three endo-β-mannanase genes expressed in the micropylar endosperm and in the radicle influence germination of Arabidopsis thaliana seeds.Semantic proximity Read ↗

Absence of branches from xylan in Arabidopsis gux mutants reveals potential for simplification of lignocellulosic biomass.Semantic proximity Read ↗

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