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. 1985 Jun;5(6):1465–1472. doi: 10.1128/mcb.5.6.1465

Structure of the promoter of the Dictyostelium discoideum prespore EB4 gene.

E Barklis, B Pontius, K Barfield, H F Lodish
PMCID: PMC366878  PMID: 3897836

Abstract

EB4 is one of several cloned cDNAs that is expressed as mRNA only after the aggregation stage of Dictyostelium discoideum differentiation and exclusively in prespore and spore cells (E. Barklis and H. F. Lodish, Cell 32:1139-1148, 1983). We have isolated the unique genome fragment corresponding to the 5' portion of the EB4 message and the EB4 promoter. The EB4 transcript has an unusually long, G + C-rich, 5' noncoding region, but initiates at several start sites within a region of DNA that is 96% A + T. The sequence GTGGTGG, along with slight variations, occurs several times in the promoter. We have used the EB4 promoter to drive the transcription of an EB4/beta-galactosidase fusion transcript in yeast cells. Although the cap sites of the fused transcript in yeast cells are located in the region where multiple EB4 transcripts are initiated in Dictyostelium, the unregulated expression of the fusion transcript in yeast does not mimic the normal regulated pattern of EB4 mRNA expression in D. discoideum.

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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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