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An Fgf8 mutant allelic series generated by Cre- and Flp-mediated recombination.

Nature genetics | Feb 24, 1998

http://www.ncbi.nlm.nih.gov/pubmed/9462741

We describe a strategy for generating an allelic series of mutations at a given locus that requires the production of only one targetted mouse line. The 'allelogenic' mouse line we produced carries a hypomorphic allele of Fgf8, which can be converted to a null allele by mating to cre transgenic animals. The hypomorphic allele can also be reverted to wild-type by mating the allelogenic mice to flp transgenic animals, thereby generating a mouse line suitable for Cre-induced tissue-specific knockout experiments. Analysis of embryos carrying different combinations of these alleles revealed requirements for Fgf8 gene function during gastrulation, as well as cardiac, craniofacial, forebrain, midbrain and cerebellar development.

Pubmed ID: 9462741 RIS Download

Mesh terms: Actins | Alleles | Animals | Congenital Abnormalities | Crosses, Genetic | DNA Nucleotidyltransferases | Embryonic and Fetal Development | Fibroblast Growth Factor 8 | Fibroblast Growth Factors | Gene Library | Growth Substances | Humans | Integrases | Mice | Mice, Transgenic | Polymerase Chain Reaction | Promoter Regions, Genetic | Recombination, Genetic | Viral Proteins

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