Evolution of plant cell wall: Arabinogalactan-proteins from three moss genera show structural differences compared to seed plants

Bartels, Desirée, Baumann, Alexander, Maeder, Malte, Geske, Thomas, Heise, Esther Marie, von Schwartzenberg, Klaus and Classen, Birgit (2017) Evolution of plant cell wall: Arabinogalactan-proteins from three moss genera show structural differences compared to seed plants Carbohydrate Polymers, 163 . pp. 227-235. DOI 10.1016/j.carbpol.2017.01.043.

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Abstract

Arabinogalactan-proteins (AGPs) are important proteoglycans of plant cell walls. They seem to be present in most, if not all seed plants, but their occurrence and structure in bryophytes is widely unknown and actually the focus of AGP research. With regard to evolution of plant cell wall, we isolated AGPs from the three mosses Sphagnum sp., Physcomitrella patens and Polytrichastrum formosum. The moss AGPs show structural characteristics common for AGPs of seed plants, but also unique features, especially 3-O-methyl-rhamnose (trivial name acofriose) as terminal monosaccharide not found in arabinogalactan-proteins of angiosperms and 1,2,3-linked galactose as branching point never found in arabinogalactan-proteins before.

Document Type: Article
Keywords: Arabinogalactan-protein 3-O-Methyl-rhamnose Moss Plant cell wall Structure elucidation
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.1016/j.carbpol.2017.01.043
ISSN: 01448617
Date Deposited: 16 Jan 2018 16:21
Last Modified: 28 Mar 2018 09:42
URI: http://eprints.uni-kiel.de/id/eprint/41530

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