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Soluble and insoluble α-glucan synthesis in yeast by enzyme suites derived from maize endosperm

Starch is a polymer of α-glucose which is assembled into insoluble, semi-crystalline granules in plants. It is not known why we see only insoluble starch granules in plants and no soluble α-glucan polymers. To investigate this, Boehlein et al. took a synthetic biology approach. Eleven starch metabolism…