ArticlePlant biotechnology journal2018
MutMapPlus identified novel mutant alleles of a rice starch branching enzyme IIb gene for fine-tuning of cooked rice texture.
Article in Plant biotechnology journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 56 citations in OpenAlex.
- Advances in mutant characterization for detecting causal mutations in crop plants.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- Genome-wide association analysis reveals natural genetic variations controlling canopy architecture traits in bread wheat.Scientific reports · 2026Article
- Modification of starch synthesis in food crops using CRISPR/Cas9 gene editing technology for changing climate.Stress biology · 2026Review
- Evaluating phenotypic plasticity of reproductive traits among Korean rice cultivars under diverse climatic conditions.Frontiers in plant science · 2026Article
- Starch branching enzyme: structure, key functional sites, and regulation of starch characteristics and rice qualities.Plant cell reports · 2025Review
- Impacts of Inherent Components and Nitrogen Fertilizer on Eating and Cooking Quality of Rice: A Review.Foods (Basel, Switzerland) · 2023Review
- Discrepancies in resistant starch and starch physicochemical properties between rice mutants similar in high amylose content.Frontiers in plant science · 2023Article
- Fine Mapping of Stripe-Rust-Resistance GenePlants (Basel, Switzerland) · 2022Article
- Effect of Heading Date on the Starch Structure and Grain Yield of Rice Lines with Low Gelatinization Temperature.International journal of molecular sciences · 2022Article
- Regulation of Amylose Content by Single Mutations at an Active Site in the Wx-B1 Gene in a Tetraploid Wheat Mutant.International journal of molecular sciences · 2022Article
- Allelic Diversification of theInternational journal of molecular sciences · 2022Article
- 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
- Mutation in BEIIb mitigates the negative effect of the mutation in ISA1 on grain filling and amyloplast formation in rice.Plant molecular biology · 2022Article
- Application of Allele Specific PCR in Identifying Offspring Genotypes of Bi-AllelicPlants (Basel, Switzerland) · 2022Article
- Review
- Editorial: Crop Yield and Quality Response to the Interaction Between Environment and Genetic Factors.Frontiers in genetics · 2022Article
- Starch biosynthesis in cereal endosperms: An updated review over the last decade.Plant communications · 2021Review
- Genetic region responsible for the differences of starch properties in two glutinous rice cultivars in Hokkaido, Japan.Breeding science · 2021Article
- SiMADS34, an E-class MADS-box transcription factor, regulates inflorescence architecture and grain yield in Setaria italica.Plant molecular biology · 2021Article
- Genomic resources in plant breeding for sustainable agriculture.Journal of plant physiology · 2021Review
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Physicochemical properties of storage starch largely determine rice grain quality and food characteristics. Therefore, modification of starch property is effective to fine-tune cooked rice textures. To obtain new resources with modified starch property as breeding materials, we screened a mutant population of a japonica cultivar Nipponbare and found two independent mutant lines, altered gelatinization (age)1 and age2, with moderate changes in starch gelatinization property. A combination of conventional genetic analyses and the latest mapping method, MutMapPlus, revealed that both of these lines harbour novel independent mutant alleles of starch branching enzyme IIb (BEIIb) gene. In age1, amino acid substitution of Met-723 to Lys completely abolished BEIIb enzyme activity without significant reduction in its protein level. A transposon insertion in an intron of BEIIb gene reduced BEIIb protein level and activity in age2. Production of a series of the mutant lines by combining age alleles and indica-type starch synthase IIa allele established stepwise alteration of the physicochemical properties of starch including apparent amylose content, thermal property, digestibility by α-amylase and branched structures of amylopectin. Consistent with the alteration of starch properties, the results of a sensory evaluation test demonstrated that warm cooked rice of the mutants showed a variety of textures without marked reduction in overall palatability. These results suggest that a series of the mutant lines are capable of manipulation of cooked rice textures.
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