Determinants of enhancer and promoter activities of regulatory elements

The proper activities of enhancers and gene promoters are essential for coordinated transcription within a cell. Although diverse methodologies have been developed to identify enhancers and promoters, most have tacitly assumed that these elements are distinct. However, studies have unexpectedly show...

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Bibliographic Details
Published inNature reviews. Genetics Vol. 21; no. 2; pp. 71 - 87
Main Authors Andersson, Robin, Sandelin, Albin
Format Journal Article
LanguageEnglish
Published England Nature Publishing Group 01.02.2020
Subjects
DNA - genetics
Enhancer Elements, Genetic
Enhancers
Genetic regulation
Genetic research
Genetic transcription
Promoter Regions, Genetic
Promoters
Promoters (Genetics)
Regulatory sequences
Regulatory Sequences, Nucleic Acid
Transcription initiation
Transcription, Genetic
Denmark
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Summary:The proper activities of enhancers and gene promoters are essential for coordinated transcription within a cell. Although diverse methodologies have been developed to identify enhancers and promoters, most have tacitly assumed that these elements are distinct. However, studies have unexpectedly shown that regulatory elements may have both enhancer and promoter functions. Here we review these results, focusing on the factors that determine the promoter and/or enhancer activity of regulatory elements. We discuss emerging models that define regulatory elements by accessible DNA and their non-mutually-exclusive abilities to drive transcription initiation (promoter activity) and/or to enhance transcription at other such regions (enhancer activity).
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ISSN:1471-0056
1471-0064
DOI:10.1038/s41576-019-0173-8