Xyloglucan evolution and the terrestrialization of green plants

The New Phytologist
Luiz-Eduardo Del-Bem

Abstract

Xyloglucan (XyG) is the major noncellulosic nonpectic matrix polysaccharide in cell walls of most land plants. Initially thought to be restricted to land plants, the last decade has seen the detection of XyG and the discovery of synthesis and modification/degradation genes in charophycean green algae (CGA). Recently, a totally new function of XyG was discovered as a potent soil aggregator released by roots and rhizoids of all major groups of land plants. In this Viewpoint, I show the presence of a complex XyG genetic machinery in most CGA groups. I discuss the context of XyG evolution in light of the terrestrialization of early CGA that gave rise to embryophytes and its possible role in early soil formation.

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Citations

Dec 17, 2019·Astrobiology·Bruce Damer, David Deamer
Aug 23, 2018·The New Phytologist·John A Raven
Dec 7, 2018·Biotechnology and Applied Biochemistry·Francisco Guzmán-RodríguezAlma Cruz-Guerrero
Aug 2, 2020·Proceedings of the National Academy of Sciences of the United States of America·Sang-Jin KimKenneth Keegstra
Apr 30, 2019·Frontiers in Plant Science·Mohsen HajheidariMarcel Bucher
Sep 11, 2020·Nature Reviews. Microbiology·Mary L BerbeeJohn W Taylor
Jun 19, 2021·Communications Biology·Maria Dalgaard MikkelsenPeter Ulvskov
Jul 2, 2021·Plant & Cell Physiology·Naoki Shinohara, Kazuhiko Nishitani
Sep 22, 2021·The Plant Journal : for Cell and Molecular Biology·Lenka Franková, Stephen C Fry

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