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Lack of starch synthase IIIa and high expression of granule-bound starch synthase I synergistically increase the apparent amylose content in rice endosperm.

Plant science : an international journal of experimental plant biology - 1 Sept 2012

Crofts Naoko, Abe Katsumi, Aihara Satomi, Itoh Rumiko, Nakamura Yasunori, Itoh Kimiko, Fujita Naoko

Abstract excerpt

Rice endosperm starch is composed of 0-30% linear amylose, which is entirely synthesized by granule-bound starch synthase I (GBSSI: encoded by Waxy, Wx). The remainder consists of branched amylopectin and is elongated by multiple starch synthases (SS) including SSI, IIa and IIIa. Typical japonica rice lacks active SSIIa and contains a low expressing Wx(b) causing a low amylose content (ca. 20%). WAB2-3...

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PMID: 22794919
DOI: 10.1016/j.plantsci.2012.05.006

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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