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X-linked mutations that give rise to overproduction of glucose-6-phosphate dehydrogenase in Drosophila melanogaster

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Abstract

Two X-linked mutations that give rise to overproduction of glucose-6-phosphate dehydrogenase (G6PD) were found among the progenies of isogenic strains which had been subjected to selection for high G6PD activity. Mapping of the high-activity factor in these mutants was carried out using car Zw B sw males of low G6PD activity. As a result, the factor mapped 0.02–0.04 unit to the left of the Zw locus. The amount of the G6PD gene was also quantitated utilizing a cloned G6PD gene as a probe, but no significant difference was found between the mutants and low-G6PD activity flies which shared the same X, second, and third chromosomes with the mutants. These findings are consistent with our notion that the mutations might be regulatory mutations, possibly resulting from the insertion of a novel class of transposable genetic elements.

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Authors and Affiliations

  1. Department of Zoology, Hokkaido University, Sapporo, Japan

    M. Iwabuchi, S. H. Hori & N. Yorimoto

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  1. M. Iwabuchi
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  2. S. H. Hori
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  3. N. Yorimoto
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This research was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science and Culture, Japan.

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Iwabuchi, M., Hori, S.H. & Yorimoto, N. X-linked mutations that give rise to overproduction of glucose-6-phosphate dehydrogenase in Drosophila melanogaster . Biochem Genet 24, 319–327 (1986). https://doi.org/10.1007/BF00502798

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  • DOI: https://doi.org/10.1007/BF00502798

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