Erratum to: Mamm Genome DOI 10.1007/s00335-008-9112-2

In the above-mentioned article, published in SpringerLink on May 29 2008, the affiliations of authors A. Takahashi and T. Shiroishi were inadvertently switched. Per PubMed and SpringerLink regulations, the online and print versions of all articles must exactly duplicate each other. Therefore the incorrect affiliations are shown in the print article, which appears in this issue following this Erratum.

We would like to extend our sincere apology to the authors for this error.

The correct list of affiliations for all authors is shown below. The postcode of the National Institute of Genetics has also been corrected.