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Article
Molecular map** of a gene ‘ld(t)’ controlling cleistogamy in rice
Cleistogamy is the self-pollination within closed spikelets and is expected to be a useful genetic tool for prevention of possible gene transfer in transgenic crops, for maintenance of genetic purity in autoga...
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Article
Fine map** and candidate gene analysis of hwh1 and hwh2, a set of complementary genes controlling hybrid breakdown in rice
Hybrid breakdown (HB), a phenomenon of reduced viability or fertility accompanied with retarded growth in hybrid progenies, often arises in the offspring of intersubspecific hybrids between indica and japonica in...
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Article
Development of SNP-based CAPS and dCAPS markers in eight different genes involved in starch biosynthesis in rice
Single nucleotide polymorphisms (SNPs), which are inexhaustible, highly stable, and simply detectable sequence polymorphisms, can lead to phenotypic variations by affecting protein composition changes. Here, w...
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Article
Map-based cloning of the ERECT PANICLE 3 gene in rice
Panicle architecture in rice can have a strong influence on yield. Using N-methyl-N-nitrosourea mutagenesis, we isolated an erect panicle mutant, Hep, from Hwasunchalbyeo, a glutinous japonica rice cultivar. Gene...
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Article
High-resolution map** of two rice brown planthopper resistance genes, Bph20(t) and Bph21(t), originating from Oryza minuta
Brown planthopper (BPH) is one of the most destructive insect pests of rice. Wild species of rice are a valuable source of resistance genes for develo** resistant cultivars. A molecular marker-based genetic ...
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Article
Fine map** and candidate gene analysis of the floury endosperm gene, FLO(a), in rice
In addition to its role as an energy source for plants, animals and humans, starch is also an environmentally friendly alternative to fossil fuels. In rice, the eating and cooking quality of the grain is deter...
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Article
Identification of QTLs for seed germination capability after various storage periods using two RIL populations in rice
Seed germination capability of rice is one of the important traits in the production and storage of seeds. Quantitative trait loci (QTL) associated with seed germination capability in various storage periods w...
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Article
Fine map** and candidate gene analysis of dense and erect panicle 3, DEP3, which confers high grain yield in rice (Oryza sativa L.)
Architecture of the rice inflorescence, which is determined mainly by the morphology, number and length of primary and secondary inflorescence branches, is an important agronomical trait. In the current study,...
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Article
Identification of quantitative trait loci associated with rice eating quality traits using a population of recombinant inbred lines derived from a cross between two temperate japonica cultivars
Improved eating quality is a major breeding target in japonica rice due to market demand. In this study, we performed genetic analysis to identify quantitative trait loci (QTLs) that control rice eating quality t...
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Article
Quantitative trait loci for cold tolerance of rice recombinant inbred lines in low temperature environments
Low temperature is one of the major environmental stresses in rice cultivation in high-altitude and high-latitude regions. In this study, we cultivated a set of recombinant inbred lines (RIL) derived from Dasa...
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Article
Leaf variegation in the rice zebra2 mutant is caused by photoperiodic accumulation of tetra-Cis-lycopene and singlet oxygen
In field conditions, the zebra2 (z2) mutant in rice (Oryza sativa) produces leaves with transverse pale-green/yellow stripes. It was recently reported that ZEBRA2 encodes carotenoid isomerase (CRTISO) and that lo...
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Article
Teosinte Branched 1 modulates tillering in rice plants
Tillering is an important trait of cereal crops that optimizes plant architecture for maximum yield. Teosinte Branched 1 (TB1) is a negative regulator of lateral branching and an inducer of female inflorescence f...
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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...
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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
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 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 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 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 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 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 ...