Conservation of Enhancers in Drosophila and Sepsids
Author Information
Author(s): Emily E. Hare, Brant K. Peterson, Michael B. Eisen
Primary Institution: University of California Berkeley
Hypothesis
Are the even-skipped enhancers in sepsid flies functionally conserved despite a lack of sequence conservation?
Conclusion
The study concludes that there is substantial reorganization of the regulatory information contained in the even-skipped enhancers of sepsids compared to Drosophila.
Supporting Evidence
- Sepsid and Drosophila even-skipped enhancers are highly diverged.
- Each enhancer contains small sequence blocks that are nearly identical between sepsids and drosophilids.
- At least 70% of the functional binding sites in D. melanogaster are not detectably conserved with sepsids.
- The organization of binding sites within these enhancers is highly flexible.
Takeaway
The study found that even though some parts of the gene enhancers are similar in sepsid flies and Drosophila, most important parts are different, which means they work differently.
Methodology
The study involved analyzing and comparing the sequence and functional aspects of enhancers in sepsid and Drosophila species using various bioinformatics tools.
Limitations
The analysis may not account for all factors influencing enhancer function, and the conclusions are based on the available sequence data.
Digital Object Identifier (DOI)
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