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| Content Provider | PubMed Central |
|---|---|
| Author | Clowney, E. Josephine Magklara, Angeliki Colquitt, Bradley M. Pathak, Nidhi Lane, Robert P. Stavros, Lomvardas |
| Copyright Year | 2011 |
| Abstract | The olfactory receptor (OR) genes are the largest mammalian gene family and are expressed in a monogenic and monoallelic fashion in olfactory neurons. Using a high-throughput approach, we mapped the transcription start sites of 1085 of the 1400 murine OR genes and performed computational analysis that revealed potential transcription factor binding sites shared by the majority of these promoters. Our analysis produced a hierarchical model for OR promoter recognition in which unusually high AT content, a unique epigenetic signature, and a stereotypically positioned O/E site distinguish OR promoters from the rest of the murine promoters. Our computations revealed an intriguing correlation between promoter AT content and evolutionary plasticity, as the most AT-rich promoters regulate rapidly evolving gene families. Within the AT-rich promoter category the position of the TATA-box does not correlate with the transcription start site. Instead, a spike in GC composition might define the exact location of the TSS, introducing the concept of “genomic contrast” in transcriptional regulation. Finally, our experiments show that genomic neighborhood rather than promoter sequence correlates with the probability of different OR genes to be expressed in the same olfactory cell. |
| Related Links | http://dx.doi.org/10.1101/gr.120162.110 |
| Ending Page | 1259 |
| Page Count | 11 |
| Starting Page | 1249 |
| File Format | |
| ISSN | 10889051 |
| e-ISSN | 15495469 |
| Journal | Genome Research |
| Issue Number | 8 |
| Volume Number | 21 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2011-08-01 |
| Access Restriction | Open |
| Rights Holder | Cold Spring Harbor Laboratory Press |
| Subject Keyword | Genetics(clinical) Genetics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Genetics (clinical) |
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