The making of suberin

Olga Serra; Niko Geldner

doi:10.1111/nph.18202

journal article Open Access May 28, 2022

The making of suberin

Olga Serra

Niko Geldner

New Phytologist Vol. 235 No. 3 pp. 848-866 · Wiley

View at Publisher Save 10.1111/nph.18202

Abstract

SummaryOuter protective barriers of animals use a variety of bio‐polymers, based on either proteins (e.g. collagens), or modified sugars (e.g. chitin). Plants, however, have come up with a particular solution, based on the polymerisation of lipid‐like precursors, giving rise to cutin and suberin. Suberin is a structural lipophilic polyester of fatty acids, glycerol and some aromatics found in cell walls of phellem, endodermis, exodermis, wound tissues, abscission zones, bundle sheath and other tissues. It deposits as a hydrophobic layer between the (ligno)cellulosic primary cell wall and plasma membrane. Suberin is highly protective against biotic and abiotic stresses, shows great developmental plasticity and its chemically recalcitrant nature might assist the sequestration of atmospheric carbon by plants. The aim of this review is to integrate the rapidly accelerating genetic and cell biological discoveries of recent years with the important chemical and structural contributions obtained from very diverse organisms and tissue layers. We critically discuss the order and localisation of the enzymatic machinery synthesising the presumed substrates for export and apoplastic polymerisation. We attempt to explain observed suberin linkages by diverse enzyme activities and discuss the spatiotemporal relationship of suberin with lignin and ferulates, necessary to produce a functional suberised cell wall.

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Metrics

127

Citations

139

References

Details

Published: May 28, 2022
Vol/Issue: 235(3)
Pages: 848-866
License: View

Authors

O

Olga Serra

Laboratori del Suro Department of Biology University of Girona Campus Montilivi Girona 17003 Spain

N

Niko Geldner

Department of Plant Molecular Biology University of Lausanne UNIL‐Sorge, Biophore Building Lausanne 1015 Switzerland

Funding

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

H2020 European Research Council

Cite This Article

Olga Serra, Niko Geldner (2022). The making of suberin. New Phytologist, 235(3), 848-866. https://doi.org/10.1111/nph.18202

The making of suberin

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