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. 1987 Mar;7(3):1055–1062. doi: 10.1128/mcb.7.3.1055

Organization of the Drosophila melanogaster hsp70 heat shock regulation unit.

J Amin, R Mestril, P Schiller, M Dreano, R Voellmy
PMCID: PMC365176  PMID: 3104769

Abstract

Expression from the Drosophila melanogaster hsp70 promoter was controlled by a regulatory unit that was composed of two sequence elements that resembled the heat shock consensus sequence. The unit functioned in both orientations and at different distances from downstream promoter sequences. Each element of the unit alone was essentially inactive. Association of two elements resulted in a dramatic increase of transcription from the hsp70 promoter. This synergistic effect was independent of the relative orientation of the elements and, to a large extent, of the distance between them. Duplication of a region containing only one element also yielded a highly active, heat-regulated promoter. Genes with three to five elements were three to four times more active than those with a single regulatory unit.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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