Three novel pigmentation mutants generated by genome-wide random ENU mutagenesis in the mouse
2004

Three Novel Pigmentation Mutants in Mice

Sample size: 44 publication 10 minutes Evidence: moderate

Author Information

Author(s): Vicky Tsipouri, John A. Curtin, Pat M. Nolan, Lucie Vizor, Claire A. Parsons, Colin M. Clapham, Ian D. Latham, Lesley J. Rooke, Jo E. Martin, Jo Peters, A. Jackie Hunter, Derek Rogers, Sohaila Rastan, Steve D.M. Brown, Elizabeth M.C. Fisher, Nigel K. Spurr, Ian C. Gray

Primary Institution: GlaxoSmithKline Pharmaceuticals

Hypothesis

Can genome-wide random ENU mutagenesis in mice produce novel pigmentation mutants?

Conclusion

Three novel pigmentation mutants were identified and mapped to specific chromosomal locations.

Supporting Evidence

  • Three pigmentation mutants were identified: White toes, Belly spot and white toes, and Dark footpads 2.
  • Genome-wide linkage scans were performed to locate the causative mutations.
  • Each mutant line showed autosomal dominant inheritance.

Takeaway

Scientists created special mice with different fur colors by changing their genes, and they found out where these changes happened in their DNA.

Methodology

Mice were treated with ENU and then analyzed for pigmentation changes through visual inspection and genetic mapping.

Potential Biases

Potential bias due to genetic background differences between mouse strains.

Limitations

The study may not account for all genetic variations affecting pigmentation.

Participant Demographics

Mice from BALB/c and C3H/HeH strains were used.

Digital Object Identifier (DOI)

10.1002/cfg.382

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication