Reference: Webster N, et al. (1988) The yeast UASG is a transcriptional enhancer in human HeLa cells in the presence of the GAL4 trans-activator. Cell 52(2):169-78

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Abstract


The yeast trans-activator protein GAL4, when expressed in HeLa cells, stimulates transcription from several class B (II) eukaryotic promoters containing GAL4 binding sites either as the full UASG or as synthetic 17-mers. The characteristics of this activation are indistinguishable from those of the SV40 enhancer. Transcription was similarly stimulated from either complex promoter regions containing multiple upstream elements or from a simple promoter region composed of only a TATA box. Addition of a 17-mer GAL4 binding site to the SV40 enhancer resulted in a synergistic enhancement of transcription in the presence of GAL4. Furthermore, chimeras of the human estrogen receptor DNA binding domain and either GAL4 or GCN4 activating "acidic" regions can activate a promoter region controlled by an estrogen-responsive enhancer. Together, these data indicate that the molecular mechanisms responsible for transcriptional enhancement have been conserved from yeast to man.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | Research Support, U.S. Gov't, P.H.S.
Authors
Webster N, Jin JR, Green S, Hollis M, Chambon P
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