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| Citation | Lang, M., Juan, E. (2010). Binding site number variation and high-affinity binding consensus of Myb-SANT-like transcription factor Adf-1 in Drosophilidae. Nucleic Acids Res. 38(19): 6404--6417. (Export to RIS) | ||
| FlyBase ID | FBrf0212173 | ||
| Publication Type | Research paper | ||
| PubMed ID | 20542916 | ||
| PubMed Abstract | There is a growing interest in the evolution of transcription factor binding sites and corresponding functional change of transcriptional regulation. In this context, we have examined the structural changes of the ADF-1 binding sites at the Adh promoters of Drosophila funebris and D. virilis. We detected an expanded footprinted region in D. funebris that contains various adjacent binding sites with different binding affinities. ADF-1 was described to direct sequence-specific DNA binding to sites consisting of the multiple trinucleotide repeat . The ADF-1 recognition sites with high binding affinity differ from this trinucleotide repeat consensus sequence and a new consensus sequence is proposed for the high-affinity ADF-1 binding sites. In vitro transcription experiments with the D. funebris and D. virilis ADF-1 binding regions revealed that stronger ADF-1 binding to the expanded D. funebris ADF-1 binding region only moderately lead to increased transcriptional activity of the Adh gene. The potential of this regional expansion is discussed in the context of different ADF-1 cellular concentrations and maintenance of the ADF-1 stimulus. Altogether, evolutionary change of ADF-1 binding regions involves both, rearrangements of complex binding site cluster and also nucleotide substitutions within sites that lead to different binding affinities. | ||
| DOI | 10.1093/nar/gkq504 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Nucleic Acids Res. | ||
| Title | Nucleic Acids Research | ||
| Publication Year | 1974- | ||
| ISBN/ISSN | 0305-1048 | ||
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Data from Reference
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| Genes (8)
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