Sitosterol-β-glucoside as Primer for Cellulose Synthesis in Plants

  title={Sitosterol-β-glucoside as Primer for Cellulose Synthesis in Plants},
  author={L. Peng and Y. Kawagoe and P. Hogan and D. Delmer},
  pages={147 - 150}
  • L. Peng, Y. Kawagoe, +1 author D. Delmer
  • Published 2002
  • Biology
  • Science
  • Cellulose synthesis in plants requires β-1,4-glucan chain initiation, elongation, and termination. The process of chain elongation is likely to be distinct from the process of chain initiation. We demonstrate that a CesA glucosyltransferase initiates glucan polymerization by using sitosterol-β-glucoside (SG) as primer. Cotton fiber membranes synthesize sitosterol-cellodextrins (SCDs) from SG and uridine 5′-diphosphate–glucose (UDP-Glc) under conditions that also favor cellulose synthesis. The… CONTINUE READING
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