Article
Gene expression in a starch synthase IIa mutant of barley: changes in the level of gene transcription and grain composition.
Functional & integrative genomics - 1 Aug 2008
Clarke B, Liang R, Morell M K, Bird A R, Jenkins C L D, Li Z
Abstract excerpt
The barley shrunken grain mutant M292 has a novel high-amylose starch phenotype caused by a mutation in the starch synthase IIa gene (SsIIa) located at the starch excess-6 (sex6) locus on chromosome 7H of barley. The loss of SSIIa enzyme activity leads to a decrease in amylopectin synthesis to less than 20% of the levels found in wild-type grains. Detailed composition analysis indicates that the contents of...
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