Genetic variation of 6-phosphogluconate dehydrogenase, isocitrate dehydrogenase, and glutamic-oxaloacetic transaminase in the liver of Japanese eel.

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  • ニホンウナギの6-PGD, ICDおよびGOTアイソザイム像にみられる遺伝変異
  • ニホンウナギの6-PGD,ICDおよびGOTアイソザイム像にみられる遺伝変異〔英文〕
  • ニホンウナギ ノ 6 PGD ICD オヨビ GOT アイソザイムゾウ ニ ミ

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Abstract

Two groups of the Japanese eel, Anguilla japonica, one from Fuchien, China, and the other from Kochi, were analyzed for electrophoretic variation of enzymes in liver. Distinct genetic variations were found in 6-phosphogluconate dehydrogenase (6-PGD), isocitrate dehydrogenase (ICD), and g1utamic-oxaloacetic transaminase (GOT). Ten different phenotypes detected in 6-PGD were accounted for by assuming five alleles at a locus encoding this enzyme. Two of the five alleles were detected in relatively high frequencies in both the samples. Eight phenotypes of ICD were postulated to result from four alleles at a locus. lcdc allele was most common in the two samples. The most cathodal system of the three or four different ones of GOT exhibited three phenotypes, which were presumed to be controlled by two alleles at a locus termed Got-III. Statistically significant differences in the allele frequencies could not be observed between the two samples except those of lcdb, which were detected in low frequencies (0.073 and 0.120) in the samples.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 44 (12), 1351-1355, 1978

    The Japanese Society of Fisheries Science

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