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Article

Active-type starch synthase (SS) IIa from indica rice partially complements the sugary-1 phenotype in japonica rice endosperm.

Plant molecular biology - 1 Mar 2022

Crofts Naoko, Satoh Yoshiki, Miura Satoko, Hosaka Yuko, Abe Misato, Fujita Naoko

Abstract excerpt

KEY MESSAGE: Introduction of higher SSIIa activity to mild-type isa1 mutant by crossing results in restoration of crystallinity, starch granule structure, and production of plump seeds. Isoamylase 1 (ISA1) removes improper α-1, 6 glycosidic branches of amylopectin generated by starch branching enzymes and is essential for the formation of proper amylopectin structure. Rice isa1 (sug-1) mutants in japonica...

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PMID: 34287741
DOI: 10.1007/s11103-021-01161-9

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