On the Robertsonian polymorphism found in the Japanese raccoon dog (Nyctereutes procyonoides viverrinus)

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概要

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• Karyotypes of 39 Japanese raccoon dogs (NPV) which appeared in the literature and of 7 previously unreported specimens were examined. Thirty four individuals showed the standard karyotype 2K=26M+10A+(M)X+(A)Y+Bs (2n=38+Bs), where Bs are supernumerary chromosomes. The remaining 11 individuals had 2K=25M+12A+XY+Bs (2n=39+Bs) and one was 2K=23M+16A+XY+Bs (2n=41+Bs). The G- and C-banding analyses of both somatic and germ cells revealed that these karyotypes with odd numbers are heterozygous (M/A) for a single Robertsonian rearrangement of chromosomes 2, 5, 6, 8, or 11, and one is M/A heterozygous for three autosomes: 5, 6, and 11.

著者

• IMAI H.

  National Institute for Environmental Studies

• WADA M.

  Amagi Wild Boar Park and Imamichi Institute for Animal Reproduction

関連論文

• Cytokines participate in neuronal death induced by trimethyltin in the rat hippocampus via type II glucocorticoid receptors
• On the Robertsonian polymorphism found in the Japanese raccoon dog (Nyctereutes procyonoides viverrinus)

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