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THE SYNTHESIS OF THE STARCH GRANULE
A. M. Smith1, K. Denyer, C. Martin
1John Innes Centre, Colney Lane, Norwich NR4 7UH, United Kingdom.
Annual Review of Plant Physiology and Plant Molecular Biology
|June 1, 1997
Abstract:
This review describes and discusses the implications of recent discoveries about how starch polymers are synthesized and organized to form a starch granule. Three issues are highlighted. 1. The role and importance of ADPglucose pyrophosphorylase in the generation of ADPglucose as the substrate for polymer synthesis. 2. The contributions of isoforms of starch-branching enzyme, starch synthase, and debranching enzyme to the synthesis and ordered packing of amylopectin molecules. 3. The requirements for and regulation of the synthesis of amylose.