Karyotype analysis in rice. II. Identification of extra chromosomes in trisomic plants and banding structure on some chromosomes.:II. Identification of extra chromosomes in trisomic plants and banding structure on some chromosomes
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概要
- 論文の詳細を見る
Twelve strains of primary trisomics were examined by the karyotype analysis. Four strains, B, C, E and H types were decided to have individual extra chromosomes K6, K12, K4 and K10 respectively. Between K5 and K9 and among K7, K8 and K11 chromosomes, there were some difficulties to discriminate each other. In well conditioned nuclei, however, K5, K7, K9 and K11 extra chromosomes were found to be carried by the A, D, L and F type trisomics respectively. Extra chromosome K8 was present in G, I, J and K type trisomics. Three kinds of extra chromosomes (K1, K2, K3) were not found in these 12 strains. Through the present study the modified technique for stretching the chromosomes appeared to be also promising to characterize chromosome bands.
- 日本遺伝学会の論文
著者
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Iwata Nobuo
Plant Breading Laboratory Faculty Of Agriculture Kyushu University
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Omura Takeshi
Plant Breading Laboratory Faculty Of Agriculture Kyushu University
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KURATA Nori
Plant Breeding Laboratory, Faculty of Agriculture, Kyushu University
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