Article
Identification of a new allele of soluble starch synthase IIIa involved in the elongation of amylopectin long chains in a chalky rice mutant.
Plant science : an international journal of experimental plant biology - 1 Mar 2023
Ying Yining, Hu Yaqi, Zhang Yanni, Tappiban Piengtawan, Zhang Zhongwei, Dai Gaoxing, Deng Guofu, Bao Jinsong, Xu Feifei
Abstract excerpt
A chalky endosperm mutant (GM03) induced from an indica rice GLA4 was used to investigate the functional gene in starch biosynthesis. Bulked segregant analysis and sanger sequencing determined that a novel mutation in soluble starch synthase IIIa (SSIIIa) is responsible for the chalky phenotype in GM03. Complementary test by transforming the active SSIIIa gene driven by its native promoter to GM03 recovered the...
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