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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Juven-Gershon, Tamar Hsu, Jer-Yuan Kadonaga, James T. |
| Description | Country affiliation: United States Author Affiliation: Juven-Gershon T ( Section of Molecular Biology, University of California at San Diego, La Jolla, California 92093, USA.) |
| Abstract | The regulation of gene transcription is critical for the proper development and growth of an organism. The transcription of protein-coding genes initiates at the RNA polymerase II core promoter, which is a diverse module that can be controlled by many different elements such as the TATA box and downstream core promoter element (DPE). To understand the basis for core promoter diversity, we explored potential biological functions of the DPE. We found that nearly all of the Drosophila homeotic (Hox) gene promoters, which lack TATA-box elements, contain functionally important DPE motifs that are conserved from Drosophila melanogaster to Drosophila virilis. We then discovered that Caudal, a sequence-specific transcription factor and key regulator of the Hox gene network, activates transcription with a distinct preference for the DPE relative to the TATA box. The specificity of Caudal activation for the DPE is particularly striking when a BRE(u) core promoter motif is associated with the TATA box. These findings show that Caudal is a DPE-specific activator and exemplify how core promoter diversity can be used to establish complex regulatory networks. |
| File Format | HTM / HTML |
| ISSN | 08909369 |
| e-ISSN | 15495477 |
| DOI | 10.1101/gad.1698108 |
| Journal | Genes & Development |
| Issue Number | 20 |
| Volume Number | 22 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2008-10-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Molecular Discipline Biology__semicolon__developmental Discipline Biology__semicolon__genetics__semicolon__cell Discipline Biology Drosophila Proteins Metabolism Gene Expression Regulation Homeodomain Proteins Promoter Regions, Genetic Genetics Regulatory Elements, Transcriptional Transcription Factor Tfiid Transcription Factors Transcription, Genetic Animals Drosophila Melanogaster Enhancer Elements, Genetic Molecular Sequence Data Rna Polymerase Ii Sequence Homology, Nucleic Acid Tata Box Transfection Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Developmental Biology |
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