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Article

The Arabidopsis transcription factor LUH/MUM1 is required for extrusion of seed coat mucilage.

Plant physiology - 1 Jun 2011

Huang Jun, DeBowles Danisha, Esfandiari Elahe, Dean Gillian, Carpita Nicholas C, Haughn George W

Abstract excerpt

During differentiation, the Arabidopsis (Arabidopsis thaliana) seed coat epidermal cells secrete mucilage composed primarily of rhamnogalacturonan I that is extruded from the seed coat upon imbibition. The mucilage of the mucilage modified1 (mum1) mutant contains rhamnogalacturonan I that is more highly branched and lacks the ability to be extruded when exposed to water. Our cloning of the MUM1 gene shows that it...

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Identifiers

PMID: 21518777
DOI: 10.1104/pp.111.172023
PMCID: PMC3177253

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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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The Arabidopsis transcription factor LUH/MUM1 is required for extrusion of seed coat mucilage.PMID 21518777Read ↗

LEUNIG_HOMOLOG and LEUNIG regulate seed mucilage extrusion in Arabidopsis.Semantic proximity Read ↗

The transcriptional regulator LEUNIG_HOMOLOG regulates mucilage release from the Arabidopsis testa.Semantic proximity Read ↗

MUCILAGE-MODIFIED4 encodes a putative pectin biosynthetic enzyme developmentally regulated by APETALA2, TRANSPARENT TESTA GLABRA1, and GLABRA2 in the Arabidopsis seed coat.Semantic proximity Read ↗

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 ↗

MYB61 is required for mucilage deposition and extrusion in the Arabidopsis seed coat.Semantic proximity Read ↗

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

Isolation and characterization of mutants defective in seed coat mucilage secretory cell development in Arabidopsis.Semantic proximity Read ↗

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

Xylans Provide the Structural Driving Force for Mucilage Adhesion to the Arabidopsis Seed Coat.Semantic proximity Read ↗

KNAT7 regulates xylan biosynthesis in Arabidopsis seed-coat mucilage.Semantic proximity Read ↗

Arabidopsis glabra2 mutant seeds deficient in mucilage biosynthesis produce more oil.Semantic proximity Read ↗

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

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