細胞質置換パンコムギにおけるAgropyron末端動原体染色体と細胞質の相互作用〔英文〕

DOI Web Site Web Site 被引用文献3件 参考文献31件
  • SUZUKI Tohru
    Division of Science of Biological Resources, Graduate School of Science and Technology
  • NAKAMURA Chiharu
    Laboratory of Plant Genetics, Faculty of Agriculture, Kobe University
  • SAKAGAMI Hikoichi
    Laboratory of Plant Genetics, Faculty of Agriculture, Kobe University
  • MORI Naoki
    Laboratory of Plant Genetics, Faculty of Agriculture, Kobe University
  • PANAYOTOV Ivan
    Institute for Wheat and Sunflower, Dobroudja, near General Toshevo
  • KANEDA Chukichi
    Laboratory of Plant Genetics, Faculty of Agriculture, Kobe University

書誌事項

タイトル別名
  • Interaction between telocentric nucleolus-organizing chromosomes of two Agropyron species and their cytoplasms in alloplasmic lines of common wheat.
  • サイボウシツ チカン パンコムギ ニ オケル Agropyron マッタン ド

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抄録

Alloplasmic lines of common wheat (Triticum aestivum L. cultivars `Penjamo 62' and `Siete Cerros 66') with cytoplasms of two wheatgrass species (Agropyron glaucum and Ag. trichophorum) showed severe growth depression throughout their development and male sterility at maturity. Growth vigor of the alloplasmic lines was influenced more by cytoplasm donors than by nucleus donors, while male sterility was influenced more by nucleus donors. Short-arm telocentric, nucleolus-organizing chromosomes (telosomes) derived from Agropyron caused the restoration of growth vigor and male fertility of the alloplasmic lines in which cytoplasms and telosomes from the same Agropyron species were combined. The telosomes derived from Agropyron species different from the cytoplasm donors could also recover growth vigor and male fertility of the alloplasmic lines. The result indicates the presence of a common mechanism(s) which controls the nucleus-cytoplasmic incompatibility expressed in the alloplasmic lines with the two Agropyron cytoplasms. The Agropyron telosomes showed some dosage effects on growth vigor of the alloplasmic lines and affected fertility when added to the nuclear backgrounds of the two common wheat cultivars.<br>

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