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Article
Open AccessDynamic Transcriptome Changes Driven by the Mutation of OsCOP1 Underlie Flavonoid Biosynthesis and Embryogenesis in the Develo** Rice Seed
CONSTITUTIVE PHOTOMORPHOGENIC 1 (COP1), an E3 ubiquitin ligase, functions as a central repressor of light signaling and regulates various light-mediated developmental and metabolic processes in plants. However...
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Article
Open AccessIdentification of volatile organic compounds related to the eating quality of cooked japonica rice
Eating quality (EQ) of rice has a complex nature composed of physicochemical properties. Nevertheless, breeding programs evaluating EQ through sensory test or taste-evaluation instruments have been laborious, ...
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Article
Open AccessSequencing and de novo assembly of the Koshihikari genome and identification of the genomic region related to the eating quality of cooked rice
The japonica rice (Oryza sativa L.) cultivar Koshihikari is considered an important breeding material with good eating quality (EQ). To effectively utilize Koshihikari in molecular breeding programs, determining ...
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Article
Identification of QTLs for cold tolerance at the booting and flowering stages in rice (Oryza sativa L.)
Rice growth and productivity are greatly affected by cold stress, which is likely to become more of a hindrance for high and stable rice yields. To identify cold tolerance at the booting and flowering stages i...
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Article
Open AccessOsCOP1 regulates embryo development and flavonoid biosynthesis in rice (Oryza sativa L.)
Novel mutations of OsCOP1 were identified to be responsible for yellowish pericarp and embryo lethal phenotype, which revealed that OsCOP1 plays a crucial role in flavonoid biosynthesis and embryogenesis in rice ...
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Article
Identification and characterization of the stunted sterile (ss) mutant in rice
Proper organ development is pivotal for normal rice growth and production. Many genes are involved in this process, and these genes provide a basis for rice breeding.
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Article
Open AccessDevelopment and application of indica–japonica SNP assays using the Fluidigm platform for rice genetic analysis and molecular breeding
Molecular markers are efficient and essential genoty** tools for molecular breeding and genetic analysis of rice. We developed two 96-plex indica–japonica single nucleotide polymorphism (SNP) genoty** sets fo...
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Article
Open AccessIdentification and Characterization of LARGE EMBRYO, a New Gene Controlling Embryo Size in Rice (Oryza sativa L.)
Although embryo accounts for only 2–3% of the total weight of a rice grain, it is a good source of various nutrients for human health. Because enlarged embryo size causes increase of the amount of nutrients an...
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Article
Identification of a novel SPLIT-HULL (SPH) gene associated with hull splitting in rice (Oryza sativa L.)
The split-hull phenotype caused by reduced lemma width and low lignin content is under control of SPH encoding a type-2 13-lipoxygenase and contributes to high dehulling efficiency.
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Article
Open AccessGenome-wide analyses of late pollen-preferred genes conserved in various rice cultivars and functional identification of a gene involved in the key processes of late pollen development
Understanding late pollen development, including the maturation and pollination process, is a key component in maintaining crop yields. Transcriptome data obtained through microarray or RNA-seq technologies ca...
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Article
Open AccessAssociation between sequence variants in panicle development genes and the number of spikelets per panicle in rice
Balancing panicle-related traits such as panicle length and the numbers of primary and secondary branches per panicle, is key to improving the number of spikelets per panicle in rice. Identifying genetic infor...
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Article
Open AccessThe rice zebra3 (z3) mutation disrupts citrate distribution and produces transverse dark-green/green variegation in mature leaves
Rice zebra mutants are leaf variegation mutants that exhibit transverse sectors of green/yellow or green/white in develo** or mature leaves. In most cases, leaf variegation is caused by defects in chloroplast b...
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Article
Open AccessSugary Endosperm is Modulated by Starch Branching Enzyme IIa in Rice (Oryza sativa L.)
Starch 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...
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Article
Characterization of indica–japonica subspecies-specific InDel loci in wild relatives of rice (Oryza sativa L. subsp. indica Kato and subsp. japonica Kato)
Insertion/deletion (InDel) polymorphisms are generally irreversible and, thus, are useful for evaluating the genetic relationships within the genus Oryza. Moreover, subspecies-specific (SS) InDel markers linked t...
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Article
Erratum to: Identification of quantitative trait loci for panicle length and yield related traits under different water and P application conditions in tropical region in rice (Oryza sativa L.)
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Article
Identification of quantitative trait loci for panicle length and yield related traits under different water and P application conditions in tropical region in rice (Oryza sativa L.)
Climate change is projected to have a serious impact on the yield potential of rice in tropical as well as in temperate countries. It is therefore essential to develop rice varieties which are climate change r...
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Article
Identification of a novel candidate gene for rolled leaf in rice
A semi-narrow and adaxially rolled leaf mutant, rl15(t), was induced from Korean japonica rice cultivar Ilpum by chemical mutagenesis using ethyl methanesulfonate. We characterized the mutant and identified the n...
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Article
Open AccessErratum to: ‘Influence of Multi-Gene Allele Combinations on Grain Size of Rice and Development of a Regression Equation Model to Predict Grain Parameters’
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Article
Characterization and map** of d13, a dwarfing mutant gene, in rice
Plant height is one of the most important agronomic traits in crop breeding because dwarf and semi-dwarf cultivars are resistant to lodging and have led to remarkable yield increases in cereal crops. Although...
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Article
Open AccessInfluence of Multi-Gene Allele Combinations on Grain Size of Rice and Development of a Regression Equation Model to Predict Grain Parameters
Grain size is one of the key factors determining yield and quality in rice. A large number of genes are involved in the regulation of grain size parameters such as grain length and grain width. Different allel...
