Structural changes in the promoter region mediate transvection at the sn-glycerol-3-phosphate dehydrogenase gene of Drosophila melanogaster

J. B. Gibson*, D. S. Reed, S. Bartoszewski, A. V. Wilks

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    Trans effects at the sn-glycerol-3-phosphate dehydrogenase locus (Gpdh) of Drosophila melanogaster give rise to an increase in GPDH activity and mRNA from the wild-type allele in heterozygotes with some low-activity alleles. Either the low-activity alleles that induce the effect have a defective P- element inserted between the promoter and a downstream intronic enhancer element or the promoter region is deleted. The trans effect is pairing dependent, characteristic of transvection at some other loci. The defective P-elements that mediate transvection are located between the promoter and at least up to 6 bp downstream of the transcription start site. Transvection at Gpdh appears similar to the 'enhancer action in trans' mode at the yellow locus.

    Original languageEnglish
    Pages (from-to)301-315
    Number of pages15
    JournalBiochemical Genetics
    Volume37
    Issue number9-10
    DOIs
    Publication statusPublished - 1999

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