The Institute de Transgenose is a trans-national core facility operated by the National Centre for Scientific Research (CNRS) in France. It includes two units which are devoted to mouse genetic analysis: a core facility, TAAM, for archiving and distribution and a research unit, IEM, focusing on mouse models of human diseases (Infection and Trisomy 21). Dr. Yann Hérault is a mouse geneticist and the scientific coordinator of the Institute. The Institute was integrated in and participates to several EU projects: in FP4 (EMMA), in FP5 (EMMAnet, EMMAwork, Eurocomp, Eumorphia, OxPrions and T21-TARGETS) and in FP6 (EMMAinf, EUMODIC, Aneuploidy, TB-React, ( MPCM), FP7 (EMMA) and is a founding member of the Federation of International Mouse Resources.