Complex Gene Distribution in Eukaryotes
Author Information
Author(s): Matthew B. Rogers, Russell F. Watkins, James T. Harper, Dion G. Durnford, Michael W. Gray, Patrick J. Keeling
Primary Institution: University of British Columbia
Hypothesis
How complex is the distribution of transferred genes in eukaryotes?
Conclusion
The study reveals that many bacterial genes found in eukaryotic genomes may have a punctate distribution, indicating a more complex evolutionary history than previously thought.
Supporting Evidence
- The study describes phylogenies of three core carbon metabolic enzymes.
- Increased sampling revealed more complex distributions of genes than initially thought.
- The findings suggest that lateral gene transfer events are more common than previously recognized.
Takeaway
Scientists found that some genes thought to come from bacteria are actually shared among different eukaryotes, showing that gene sharing is more complicated than it seems.
Methodology
The study used EST data to evaluate cases of lateral gene transfer of genes involved in core carbon metabolism.
Limitations
The study's conclusions are based on the available sampling of eukaryotic diversity, which may not be comprehensive.
Digital Object Identifier (DOI)
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