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Cytosol-Localized UDP-Xylose Synthases Provide the Major Source of UDP-Xylose for the Biosynthesis of Xylan and Xyloglucan.

Plant & cell physiology - 1 Jan 2017

Zhong Ruiqin, Teng Quincy, Haghighat Marziyeh, Yuan Youxi, Furey Samuel T, Dasher Robert L, Ye Zheng-Hua

Abstract excerpt

Xylan and xyloglucan are the two major cell wall hemicelluloses in plants, and their biosynthesis requires a steady supply of the sugar donor, UDP-xylose. UDP-xylose is synthesized through conversion of UDP-glucuronic acid (UDP-GlcA) by the activities of UDP-xylose synthase (UXS). There exist six UXS genes in the Arabidopsis thaliana genome; three of them (UXS1, UXS2 and UXS4) encode Golgi-localized enzymes and...

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PMID: 28011867
DOI: 10.1093/pcp/pcw179

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UXS1

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