Coat color‐tagged green mouse with EGFP expressed from the RNA polymerase II promoter
- 25 May 2004
- Vol. 39 (2) , 122-129
- https://doi.org/10.1002/gene.20038
Abstract
Laborious molecular genotyping and variegated gene expression are two widely encountered issues for transgenic mouse studies. To facilitate genotyping in the FVB/N albino background and to reduce variegated expression, we successfully generated double-tagged transgenic mice for direct visual genotyping with the coat color phenotype derived from tyrosinase cDNA driven by the tyrosinase promoter and with simultaneous high enhanced green fluorescent protein (EGFP) expression driven by the promoter of RNA polymerase II large subunit gene. Incorporation of insulator into a transgene construct achieved high efficiency of transgene expression in more than 90% of the founders. EGFP was detected as early as the one-cell fertilized egg and lasted for the whole embryo development, as well as in all of the adult tissues examined. The coat color-tagged green mice offer opportunities in applications such as tissue transplantation, lineage tracing, chimera biology, RNA interference, and other transgenic studies. genesis 39:122–129, 2004.Keywords
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