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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 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
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 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
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...
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Article
Open AccessComplete chloroplast and ribosomal sequences for 30 accessions elucidate evolution of Oryza AA genome species
Cytoplasmic chloroplast (cp) genomes and nuclear ribosomal DNA (nR) are the primary sequences used to understand plant diversity and evolution. We introduce a high-throughput method to simultaneously obtain co...
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Article
Genome-wide transcriptome comparison of flag leaves among japonica and indica varieties
Flag leaves in crops are one of the key organs determining grain yield, which significantly affects total yield. However, our understanding of the molecular and genetic regulation of flag leaves is very limite...
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Article
Open AccessDefining the genome structure of `Tongil' rice, an important cultivar in the Korean "Green Revolution"
Tongil (IR667-98-1-2) rice, developed in 1972, is a high-yield rice variety derived from a three-way cross between indica and japonica varieties. Tongil contributed to the self-sufficiency of staple food producti...
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Article
Open AccessAnalysis of segregation distortion and its relationship to hybrid barriers in rice
Segregation distortion (SD) is a frequently observed occurrence in map** populations generated from crosses involving divergent genotypes. In the present study, ten genetic linkage maps constructed from reci...
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Article
Fine map** and candidate gene analysis of a new mutant gene for panicle apical abortion in rice
The rice panicle architecture depends on the arrangement of branches and spikelets which directly affect grain yield. We identified a mutant for panicle apical abortion (PAA-Hwa) from a japonica cultivar Hwacheon...
