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The yeast UASG is a transcriptional enhancer in human HeLa cells in the presence of the GAL4 trans-activator.

Identifieur interne : 002A67 ( PubMed/Corpus ); précédent : 002A66; suivant : 002A68

The yeast UASG is a transcriptional enhancer in human HeLa cells in the presence of the GAL4 trans-activator.

Auteurs : N. Webster ; J R Jin ; S. Green ; M. Hollis ; P. Chambon

Source :

RBID : pubmed:2830022

English descriptors

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.

DOI: 10.1016/0092-8674(88)90505-3
PubMed: 2830022

Links to Exploration step

pubmed:2830022

Le document en format XML

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<name sortKey="Webster, N" sort="Webster, N" uniqKey="Webster N" first="N" last="Webster">N. Webster</name>
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<name sortKey="Jin, J R" sort="Jin, J R" uniqKey="Jin J" first="J R" last="Jin">J R Jin</name>
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<name sortKey="Green, S" sort="Green, S" uniqKey="Green S" first="S" last="Green">S. Green</name>
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<name sortKey="Hollis, M" sort="Hollis, M" uniqKey="Hollis M" first="M" last="Hollis">M. Hollis</name>
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<name sortKey="Chambon, P" sort="Chambon, P" uniqKey="Chambon P" first="P" last="Chambon">P. Chambon</name>
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<term>DNA, Fungal (genetics)</term>
<term>DNA, Recombinant</term>
<term>DNA-Binding Proteins</term>
<term>Enhancer Elements, Genetic</term>
<term>Estrogens (pharmacology)</term>
<term>Fungal Proteins (genetics)</term>
<term>Globins (genetics)</term>
<term>HeLa Cells (metabolism)</term>
<term>Humans</term>
<term>Plasmids</term>
<term>Promoter Regions, Genetic</term>
<term>Rabbits</term>
<term>Receptors, Estrogen (genetics)</term>
<term>Regulatory Sequences, Nucleic Acid</term>
<term>Saccharomyces cerevisiae Proteins</term>
<term>Simian virus 40 (genetics)</term>
<term>Simplexvirus (enzymology)</term>
<term>Simplexvirus (genetics)</term>
<term>Thymidine (genetics)</term>
<term>Transcription Factors</term>
<term>Transcription, Genetic</term>
<term>Transfection</term>
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<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en">
<term>DNA, Fungal</term>
<term>Fungal Proteins</term>
<term>Globins</term>
<term>Receptors, Estrogen</term>
<term>Thymidine</term>
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<term>Simplexvirus</term>
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<term>Simian virus 40</term>
<term>Simplexvirus</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>HeLa Cells</term>
</keywords>
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<term>Animals</term>
<term>DNA, Recombinant</term>
<term>DNA-Binding Proteins</term>
<term>Enhancer Elements, Genetic</term>
<term>Humans</term>
<term>Plasmids</term>
<term>Promoter Regions, Genetic</term>
<term>Rabbits</term>
<term>Regulatory Sequences, Nucleic Acid</term>
<term>Saccharomyces cerevisiae Proteins</term>
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<front>
<div type="abstract" xml:lang="en">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.</div>
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<AbstractText>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.</AbstractText>
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