Dr. Murray, > How stable is the emerald plasmid? Several of us have had trouble > with pEGFP and so have been using Gibco's pGreen-Lantern as it > is easier to propagate in bacteria. > Bernard > What is the problem with pEGFP? I used it several times but saw no difficulty in propagaion in E.coli. Please tell the situation if you don't mind. Mukai Hideo