ArticleRice (New York, N.Y.)2017
Sugary Endosperm is Modulated by Starch Branching Enzyme IIa in Rice (Oryza sativa L.).
Article in Rice (New York, N.Y.), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 22 citations in OpenAlex.
- 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
- Regulatory factors of starch metabolism in cereal endosperm.Plant molecular biology · 2026Review
- Mutations in starch BRANCHING ENZYME 2a suppress the traits caused by the loss of ISOAMYLASE1 in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Phylogenomic profiles of whole-genome duplications in Poaceae and landscape of differential duplicate retention and losses among major Poaceae lineages.Nature communications · 2024Article
- The OsNAC24-OsNAP protein complex activates OsGBSSI and OsSBEI expression to fine-tune starch biosynthesis in rice endosperm.Plant biotechnology journal · 2023Article
- 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
- Post-genomics revolution in the design of premium quality rice in a high-yielding background to meet consumer demands in the 21st century.Plant communications · 2022Review
- Active-type starch synthase (SS) IIa from indica rice partially complements the sugary-1 phenotype in japonica rice endosperm.Plant molecular biology · 2022Article
- High-resolution quantitative trait locus mapping for rice grain quality traits using genotyping by sequencing.Frontiers in plant science · 2022Article
- Starch biosynthesis in cereal endosperms: An updated review over the last decade.Plant communications · 2021Review
- Leaf-derived ABA regulates rice seed development via a transporter-mediated and temperature-sensitive mechanism.Science advances · 2021Article
- Identifying genes for resistant starch, slowly digestible starch, and rapidly digestible starch in rice using genome-wide association studies.Genes & genomics · 2020Article
- A New SNP in Rice Gene Encoding Pyruvate Phosphate Dikinase (PPDK) Associated with Floury Endosperm.Genes · 2020Article
- Molecular identification of the key starch branching enzyme-encoding geneHorticulture research · 2020Article
- Silencing of an Ubiquitin Ligase Increases Grain Width and Weight inFrontiers in genetics · 2020Article
- Carbohydrate reserves and seed development: an overview.Plant reproduction · 2018Review
- Rice Mutants Lacking Starch Synthase I or Branching Enzyme IIb Activity Altered Starch Biosynthetic Protein Complexes.Frontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundStarch biosynthesis is one of the most important pathways that determine both grain quality and yield in rice (Oryza sativa L.). Sugary endosperm, sugary-1 (sug-1), is a mutant trait for starch biosynthesis. Rice plants carrying sug-1 produce grains that accumulate water-soluble carbohydrates instead of starch, even after maturity. Although this trait enhances the diversity of grain quality, sugary endosperm rice has hardly been commercialized due to the severely wrinkled grains and subsequent problems in milling. This study was conducted to identify the genes responsible for the sug-h phenotype through a map-based cloning technology.
resultsWe induced a mild sugary mutant, sugary-h (sug-h) through the chemical mutagenesis on the Korean japonica cultivar Hwacheong. Grains of the sug-h mutant were translucent and amber-colored, and the endosperm appeared less wrinkled than sug-1, whereas the soluble sugar content was fairly high. These characteristics confer greater marketability to the sug-h mutant. Genetic analyses indicated that the sug-h mutant phenotype was controlled by a complementary interaction of two recessive genes, Isoamylase1 (OsISA1), which was reported previously, and Starch branching enzyme IIa (OsBEIIa), which was newly identified in this study. Complementation tests indicated that OsBEIIa regulated the properties of sugary endosperm.
conclusionsComplementary interactions between the starch biosynthesis genes OsISA1 and OsBEIIa determine the mild sugary endosperm mutant, sugary-h, in rice. Our finding may facilitate the breeding of sugaryendosperm rice for commercial benefit.
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