ArticlePlant molecular biology2022
Active-type starch synthase (SS) IIa from indica rice partially complements the sugary-1 phenotype in japonica rice endosperm.
Article in Plant molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Haplotype Analysis of the Wx and SSIIa Genes and Their Association with Starch Physicochemical Properties in Diverse Rice Germplasm.Molecular biotechnology · 2026Review
- Identification of a novel mutant allele of the LIKE EARLY STARVATION 1 gene in rice (Oryza sativa L.) using QTL-seq.G3 (Bethesda, Md.) · 2026Article
- The transcription factor NnNAC100 positively regulates amylopectin biosynthesis by activating NnSBEII in the rhizome of Nelumbo nucifera Gaertn.Plant cell reports · 2025Article
- A model for the reproduction of amylopectin cluster by coordinated actions of starch branching enzyme isoforms.Plant molecular biology · 2023Review
- FLOURY ENDOSPERM 6 mutations enhance the sugary phenotype caused by the loss of ISOAMYLASE1 in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Effect of Shearing and Heat Milling Treatment Temperature on the Crystallinity, Thermal Properties, and Molecular Structure of Rice Starch.Foods (Basel, Switzerland) · 2023Article
- ThreeInternational journal of molecular sciences · 2023Article
- Improving Agricultural Traits While Maintaining High Resistant Starch Content in Rice.Rice (New York, N.Y.) · 2022Article
- Effects of Various Allelic Combinations of Starch Biosynthetic Genes on the Properties of Endosperm Starch in Rice.Rice (New York, N.Y.) · 2022Review
- Molecular Hydrogen Increases Quantitative and Qualitative Traits of Rice Grain in Field Trials.Plants (Basel, Switzerland) · 2021Article
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Authors and funding
6 authors at 1 institution in 1 country.
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Abstract
key messageIntroduction 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 cultivar with less-active starch synthase IIa (SSIIa) and low granule-bound SSI (GBSSI) expression display wrinkled seed phenotype by accumulating water-soluble phytoglycogen instead of insoluble amylopectin. Expression of active SSIIa in transgenic rice produced with a severe-type isa1 mutant accumulated some insoluble glucan with weak B-type crystallinity at the periphery of seeds but their seeds remained wrinkled. To see whether introduction of high levels of SSIIa and/or GBSSI can restore the grain filling of the mild-type sug-1 mutant (EM653), new rice lines (SS2a gbss1
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