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Reference Detail
| Reference | ||
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| Author | Maeda H., Yamaguchi T., Omoteno M., Takarada T., Fujita K., Murata K., Iyama Y., Kojima Y., Morikawa M., Ozaki H., Mukaino N., Kidani Y., Ebitani T. | |
| Title | Genetic dissection of black grain rice by the development of a near isogenic line. | |
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Abstract: Rice (Oryza sativa L.) can produce black grains as well as white. In black rice, the pericarp of the grain accumulates anthocyanin, which has antioxidant activity and is beneficial to human health. We developed a black rice introgression line in the genetic background of Oryza sativa L. 'Koshihikari', which is a leading variety in Japan. We used Oryza sativa L. 'Hong Xie Nuo' as the donor parent and backcrossed with 'Koshihikari' four times, resulting in a near isogenic line (NIL) for black grains. A whole genome survey of the introgression line using DNA markers suggested that three regions, on chromosomes 1, 3 and 4 are associated with black pigmentation. The locus on chromosome 3 has not been identified previously. A mapping analysis with 546 F2 plants derived from a cross between the black rice NIL and 'Koshihikari' was evaluated. The results indicated that all three loci are essential for black pigmentation. We named these loci Kala1, Kala3 and Kala4. The black rice NIL was evaluated for eating quality and general agronomic traits. The eating quality was greatly superior to that of 'Okunomurasaki', an existing black rice variety. The isogenicity of the black rice NIL to 'Koshihikari' was very high. |
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| Journal | Breed. Sci. | |
| Country | Japan | |
| Volume | 64(2) | |
| Pages | 134-41 | |
| Year | 2014 | |
| PubMed ID | 24987299 | |
| PubMed Central ID | 4065320 | |
| DOI | 10.1270/jsbbs.64.134 | |
| URL | - | |
| Relation | ||
| Gene | B2 GL1D _ | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
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Stages in Each Organ - Muant Lines (Gene) |
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| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
