Recent structural insights into the enzymology of the ubiquitous plant cell wall glycan xyloglucan.

Mohamed A Attia, Harry Brumer

Journal: Current opinion in structural biology 2017;40():43-53

PMID: 27475238

Full Text on Elsevier Science View on PubMed

Abstract

The xyloglucans (XyGs) constitute a family of highly decorated β(1→4)-glucans whose members are widespread and abundant across the plant kingdom. As such, XyGs constitute a significant reserve of metabolically accessible monosaccharides for diverse phytopathogenic, saprophytic, and gut symbiotic micro-organisms. To overcome the intrinsic stability of the diverse glycosidic bonds in XyGs, bacteria and fungi have evolved extensive repertoires of xyloglucan-active enzymes from manifold families, whose exquisitely adapted tertiary structures are recently coming to light.

Address: Michael Smith Laboratories and Department of Chemistry, University of British Columbia, 2185 East Mall, Vancouver, BC V6T 1Z4, Canada.; Michael Smith Laboratories and Department of Chemistry, University of British Columbia, 2185 East Mall, Vancouver, BC V6T 1Z4, Canada. Electronic address: [email protected].

DOI: 10.1016/j.sbi.2016.07.005

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MeSH Terms: Cell Wall, Glucans, Humans, Plant Cells, Xylans