16 Result(s)
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Article
Development and characterization of synthetic amphiploids of Oryza sativa and Oryza latifolia
Oryza sativa and Oryza latifolia belong to the AA and CCDD genomes of Oryza, respectively. In this study, amphiploids were obtained from the tube seedlings of O.
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Article
Centromere inactivation in a dicentric rice chromosome during sexual reproduction
T0135 is a variant selected from the progeny of a rice line telotrisomic for the short arm of chromosome 11 (2n+11S·). Fluorescent in situ hybridization (FISH) results indicated that T0135 contained two telocentr...
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Article
Open AccessGenetic analysis and gene cloning of a triangular hull 1 (tri1) mutant in rice (Oryza sativa L.)
Grain shape and size are two key factors that determine rice yield and quality. In the present study, a rice triangular hull mutant (tri1) was obtained from the progeny of japonica rice variety Taipei 309 treated...
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Article
OsAM1 is required for leptotene-zygotene transition in rice
The events occurring at the onset of meiosis have not been fully elucidated. In the present study, OsAM1 was identified in rice (Oryza sativa L.) by map-based cloning. OsAM1, a homolog of Arabidopsis SWI1 and mai...
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Article
Open AccessDevelo** high throughput genotyped chromosome segment substitution lines based on population whole-genome re-sequencing in rice (Oryza sativa L.)
Genetic populations provide the basis for a wide range of genetic and genomic studies and have been widely used in genetic map**, gene discovery and genomics-assisted breeding. Chromosome segment substitutio...
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Article
Development of gene-tagged molecular markers for starch synthesis-related genes in rice
Improving grain quality is an important goal in breeding new elite rice varieties, requiring effective tools for the identification of target genotypes. Molecular marker-aided selection (MAS), combined with co...
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Article
Genetic analysis and gene fine map** of a rolling leaf mutant (rl 11(t) ) in rice (Oryza sativa L.)
The exploration of new genes controlling rice leaf shape is an important foundation for rice functional genomics and plant architecture improvement. In the present study, we identified a rolling leaf mutant from
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Article
Development and characterization of interspecific hybrids between Oryza sativa and O. latifolia by in situ hybridization
Oryza sativa and O. latifolia belong to the AA and CCDD genomes of Oryza, respectively. In this study, interspecific hybrids of these species were obtained using the embryo rescue technique. Hybrid panicle traits...
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Article
Generating of rice OsCENH3-GFP transgenic plants and their genetic applications
In order to investigate rice functional centromeres, OsCENH3-GFP chimeric gene was constructed and transformed into the indica rice variety, Zhongxian 3037, mediated by Agrobacturium. The integration of the exoge...
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Article
Genetic analysis and molecular map** of a presenescing leaf gene psl1 in rice (Oryza sativa L.)
A rice psl1 (presenescing leaf) mutant was obtained from a japonica variety Zhonghua 11 via radiation of 60Co-y in M2 generation. Every leaf of the mutant began to wither after it reached the biggest length, whil...
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Article
Genetic analysis and gene fine map** for a rice novel mutant (rl 9(t) ) with rolling leaf character
Leaf shape is an important parameter for ideotype breeding in rice, and the rolling of leaf is also beneficial to efficient ripening of grains. This encourages the explorations of new genes that regulate leaf ...
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Article
Isolation and identification of the three rice monotelosomics
In order to obtain rice monotelosomic, the progeny of 24 telotrisomics, derived from anindica rice variety, Zhongxian 3037, were screened. The variants that differed morphologically from the diploids and the orig...
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Article
Fine map** of a semidwarf genesd-g in indica rice (Oryza sativa L.)
The semidwarf genesd-g which has been used in indica rice breeding in southern China is a new one, nonallelic tosd-1. To mapsd-g, an F2 population derived from the cross between **nguiaishuangai and 02428 was con...
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Article
Genetic map** of a new semi-dwarf gene, sd-t(t), in indica rice and estimating of the physical distance of the map** region
Application and functional study of dwarf and semi-dwarf genes are of great importance to both crop breeding and molecular biology. A new semi-dwarf gene, sd-t(t), non-allelic to sd-1, had been identified in an i...
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Article
Introduction of antisensewaxy gene into main parent lines ofindica hybrid rice
Amylose content in rice endosperm is one of the key determinants of rice eating and cooking quality, and the poor quality ofindica hybrid rice is closely related to the high amylose level in rice grains. In order...
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Article
Microdissection and amplification of the chromosome arm 5S in a rice telo-tetrasomic
The rice aneuploids with telochromosomes are ideal genetic stocks for chromosome arm identification and microdissection. A rice telo-tetrasomic line with two extra short arms of chromosome 5 (5S) was used in t...
