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Article

Down-regulation of the myo-inositol oxygenase gene family has no effect on cell wall composition in Arabidopsis.

Planta - 1 Jul 2011

Endres Stefanie, Tenhaken Raimund

Abstract excerpt

The enzyme myo-inositol oxygenase (MIOX; E.C. 1.13.99.1) catalyzes the ring-opening four-electron oxidation of myo-inositol into glucuronic acid, which is subsequently activated to UDP-glucuronic acid (UDP-GlcA) and serves as a precursor for plant cell wall polysaccharides. Starting from single T-DNA insertion lines in different MIOX-genes a quadruple knockdown (miox1/2/4/5-mutant) was obtained by crossing, which...

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Identifiers

PMID: 21394467
DOI: 10.1007/s00425-011-1394-z
PMCID: PMC3123461

Genes

MIOX

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Down-regulation of the myo-inositol oxygenase gene family has no effect on cell wall composition in Arabidopsis.PMID 21394467Read ↗

The inositol oxygenase gene family of Arabidopsis is involved in the biosynthesis of nucleotide sugar precursors for cell-wall matrix polysaccharides.Semantic proximity Read ↗

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Down-regulation of UDP-glucuronic acid biosynthesis leads to swollen plant cell walls and severe developmental defects associated with changes in pectic polysaccharides.Semantic proximity Read ↗

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