Journal
FRONTIERS IN PLANT SCIENCE
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2020.590990
Keywords
lignin; suberin; cutin; cutan; transmembrane export; ABC transporters; LTPs; cutinsome
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Funding
- Villum Foundation project TIPorNOT [00023089]
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This article discusses the importance of key polymers in plant cell walls for stress resistance and cell wall strengthening, as well as their applications in industry and daily life. It also highlights the technical bottlenecks in the research on the formation of these polymers and suggests directions for further research and importance.
The plant apoplast contains the four hydrophobic polymer, lignin, suberin, cutin, and cutan, that are crucial for stress resistance, controlling solute diffusion, and strengthening the cell wall. Some of these polymers are widely used in industry and daily life products, such as all wood-containing goods (lignin) and wine cork (suberin). Despite the importance of these polymers, several aspects of their formation remain unknown. This mini review highlights technical bottlenecks in the current research and summarizes recent insights into the precursor transmembrane transport, an essential step in the polymer formation. We also briefly discuss how some of the remaining knowledge gaps can be closed and how a better understanding of these biopolymers will benefit other research fields.
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