Deer Mouse Genome Mapping Shows Closer Relation to Rat than Lab Mouse
Author Information
Author(s): Clifton Ramsdell, Adrienne A Lewandowski, Julie L Weston, Paul B Vrana, Rachel J O'Neill, Michael J Dewey
Primary Institution: University of North Carolina, Chapel Hill
Hypothesis
Does the genome of the deer mouse exhibit greater similarity to the rat genome compared to the lab mouse genome?
Conclusion
The study concludes that the deer mouse genome is more similar to the rat genome than to the lab mouse genome.
Supporting Evidence
- The deer mouse genome shows a higher degree of synteny and gene order conservation with the Rattus genome.
- The study analyzed 103 Type I gene markers from 18 different Rattus chromosomes.
- The results suggest that the genomic organizations of Rattus and Peromyscus are more representative of the ancestral muroid genome than the Mus genome.
Takeaway
Scientists looked at the deer mouse's DNA and found it is more like a rat's DNA than a mouse's DNA, even though they look similar.
Methodology
The study used comparative linkage mapping of an estimated 35% of the deer mouse genome with respect to the rat and mouse genomes.
Limitations
The study is limited to the regions of the genome that have been mapped and may be affected by uncertainties in gene orthology.
Digital Object Identifier (DOI)
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