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Characterization Of The Granule-Bound Starch Synthase I Gene In Chenopodium, Douglass C. Brown
Characterization Of The Granule-Bound Starch Synthase I Gene In Chenopodium, Douglass C. Brown
Theses and Dissertations
Chenopodium L. is a relatively under-studied genus that includes the cultivated seed crop quinoa (Chenopodium quinoa Willd.). Quinoa is an allotetraploid (2n=4x=36, AABB genomes) that is cultivated by subsistence farmers and commercial growers in the Andean regions of South America. Approximately 60% of a quinoa seed is starch, a glucose polymer that is an important carbohydrate energy source in the human diet. Seed starch is normally comprised of amylose and amylopectin in a 1:3 ratio, but starches with different amylose:amylopectin ratios have different properties and potential uses. The accumulation of the amylose fraction of starch is controlled by a single …