Functional conservation of the Drosophila hybrid incompatibility gene Lhr
2011
Study of the Drosophila Hybrid Incompatibility Gene Lhr
publication
Evidence: moderate
Author Information
Author(s): Brideau Nicholas J, Barbash Daniel A
Primary Institution: Cornell University
Hypothesis
What are the functional properties and evolutionary changes of the Lhr gene in Drosophila species?
Conclusion
The hybrid lethality properties of the Lhr gene have been conserved among Drosophila species, indicating that its functional properties did not undergo extensive changes.
Supporting Evidence
- Lhr from D. melanogaster and D. simulans both interact with HP1, a key heterochromatin protein.
- All LHR orthologs tested localize to heterochromatin when expressed in D. melanogaster.
- The study found that LHR's ability to induce hybrid male lethality is conserved across multiple Drosophila species.
Takeaway
The Lhr gene helps explain why some Drosophila hybrids can't survive, and this study shows that the important parts of this gene have stayed the same over time.
Methodology
The study examined the functional properties of Lhr orthologs from multiple Drosophila species through genetic assays and protein interaction studies.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website