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https://hdl.handle.net/2440/138328
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Type: | Book chapter |
Title: | Glycoside hydrolase family 16-Xyloglucan:xyloglucosyl transferases and their roles in plant cell wall structure and mechanics |
Author: | Stratilová, B. Kozmon, S. Stratilová, E. Hrmova, M. |
Citation: | Glycoside Hydrolases: Biochemistry, Biophysics, and Biotechnology, 2023 / Goyal A, , Sharma K, (ed./s), Ch.10, pp.213-242 |
Publisher: | Academic Press, Elsevier |
Publisher Place: | London, United Kingdom |
Issue Date: | 2023 |
Series/Report no.: | Foundations and Frontiers in Enzymology |
ISBN: | 9780323918053 |
Editor: | Goyal A, Sharma K, |
Statement of Responsibility: | Barbora Stratilova, Stanislav Kozmon, Eva Stratilova,, Maria Hrmova |
Abstract: | Plant xyloglucan:xyloglucosyl transferases also known as xyloglucan endo-transglycosylases (XETs) are classified in the glycoside hydrolase family 16. This family includes enzymes with a β-jelly-roll fold, which underlies their broad substrate specificity, and the catalytic function to mediate transglycosylation reactions with xyloglucan (XG)-derived or other substrates. This relaxed substrate specificity stems from structural plasticity and plays a fundamental role in plant cell wall re-modeling and mechanics that have evolved to operate in various monophyletic groups. XET enzymes occur in gene families that underlie the synthesis of functional proteins in time- and space-dependent means, and during plant development stresses caused by biotic and ecological stimuli. In this chapter, we focus on XETs and how their singularly carbohydrate-based enzymatic function underlies linking the diverse and complex structures of plant cell walls. We conclude that broad substrate non-specific XETs are plant-prevalent and that these enzymes play roles in targeted cell wall modifications. |
Keywords: | Atomic structures; Evolutionary history; Glycoside hydrolase family 16; Molecular modeling and dynamics; Multicomposite hydrogels; Plant cell walls; Substrate binding; XTH enzyme structure and function |
Rights: | © 2023 Elsevier Inc. All rights reserved. |
DOI: | 10.1016/B978-0-323-91805-3.00003-4 |
Grant ID: | http://purl.org/au-research/grants/arc/DP120100900 |
Published version: | https://www.sciencedirect.com/book/9780323918053/glycoside-hydrolases |
Appears in Collections: | Agriculture, Food and Wine publications |
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