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Biochemical analysis of a new sugary-type rice mutant, Hemisugary1, carrying a novel allele of the sugary-1 gene.

Planta - 4 Dec 2019

Takahashi Sumire, Kumagai Yu, Igarashi Hidenari, Horimai Karin, Ito Hiroyuki, Shimada Toru, Kato Yoji, Hamada Shigeki

Abstract excerpt

MAIN CONCLUSION: A novel allele of the sugary-1 rice mutant was isolated. The single amino acid change led to isoamylase activity reduction and accumulation of high-molecular-weight phytoglycogen in seeds. A new sugary rice variety with an improved seed appearance has been isolated and designated Hemisugary1. This mutant, which was derived from Japonica-type cultivar Tsugaruroman treated with sodium azide, has...

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PMID: 31802247
DOI: 10.1007/s00425-019-03321-0

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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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