イネ属植物の細胞遺伝学的研究-12-アイソザイムによる四倍体punctata(BBCC)を構成するCゲノム種の祖先種の推定〔英文〕

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  • CHERN JINN LIH
    Plant Breeding Laboratory, Faculty of Agriculture, Kyushu University
  • KATAYAMA TAIRA
    Plant Breeding Laboratory, Faculty of Agriculture, Kyushu University

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タイトル別名
  • Cytogenetical studies on the genus Oryza. XII. Electrophoretic estimation of progenitor of the C genome species constituting tetraploid-punctata (BBCC).
  • イネゾク ショクブツ ノ サイボウ イデンガクテキ ケンキュウ 12 アイソザ
  • XII. ELECTROPHORETIC ESTIMATION OF PROGENITOR OF THE C GENOME SPECIES CONSTITUTING TETRAPLOID-<i>PUNCTATA</i> (BBCC)

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By using starch gel electrophoresis, the zymograms of acid phosphatase and peroxidase in the leaf extracts were examined, and the phylogenetic relationships between diploid parental species, their F1 plants, synthesized amphiploids, and natural tetraploid species belonging to Oryza officinalis complex were postulated on the basis of comparisons of zymograms. The similarity index (s-value; Sheen 1972) was computed in all possible combinations of 17 strains tested. The s-values found between the tetraploid varieties of O. punctata (W1024 and W1145) on the one hand and synthesized amphiploids 4x-3 (punctata×collina), 4x-1137 (intermediate×punctata), and 4x-1(punctata× eichingeri), O. minuta (W0016) and O. malampuzhaensis (W1159) on the other were 91%, 96%, 48%, 31-36% and 52%, respectively. The tetraploid punctata strains thus showed much closer relationships with the synthesized amphiploids than with other tetraploid species, i.e., O. minuta and O. malampuzhaensis. This suggests that the progenitor of O. eichingeri and an intermediate punctata-eichingeri form would also be the progenitor of species with the C genome which was a component of tetraploid strains of O. punctata (BBCC).

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