Two members of the  DUF 579 family are responsible for arabinogalactan methylation in Arabidopsis | Zendy

Temple Henry | Zendy; Mortimer Jenny C. | Zendy; Tryfona Theodora | Zendy; Yu Xiaolan | Zendy; LopezHernandez Federico | Zendy; Sorieul Mathias | Zendy; Anders Nadine | Zendy; Dupree Paul | Zendy

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Two members of the DUF 579 family are responsible for arabinogalactan methylation in Arabidopsis

Author(s) -

Temple Henry,

Mortimer Jenny C.,

Tryfona Theodora,

Yu Xiaolan,

LopezHernandez Federico,

Sorieul Mathias,

Anders Nadine,

Dupree Paul

Publication year - 2019

Publication title -

plant direct

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.211

H-Index - 11

ISSN - 2475-4455

DOI - 10.1002/pld3.117

Subject(s) - xylan , arabinogalactan , methylation , glucuronic acid , biochemistry , cell wall , chemistry , methyltransferase , arabidopsis , biosynthesis , enzyme , polysaccharide , gene , mutant

All members of the DUF579 family characterized so far have been described to affect the integrity of the hemicellulosic cell wall component xylan: GXMs are glucuronoxylan methyltransferases catalyzing 4‐O–methylation of glucuronic acid on xylan; IRX15 and IRX15L, although their enzymatic activity is unknown, are required for xylan biosynthesis and/or xylan deposition. Here we show that the DUF579 family members, AGM1 and AGM2, are required for 4‐O–methylation of glucuronic acid of a different plant cell wall component, the highly glycosylated arabinogalactan proteins (AGPs).

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