Does anybody know anything about transgenic animals expressing the T7 RNA polymerase (under e.g. CMV promoter, or so)? Please respond to magyar at cell.biol.ethz.ch Thanks Josef Peter Magyar, Ph.D. Swiss Federal Institute of Technology Institute of Cell Biology ETH-Hoenggerberg, HPM-F28 CH-8093 Zurich, Switzerland Tel: +41/1/633 33 55