Arends K, Schiwon K, Sakinc T, Hübner J, Grohmann E (2011): A GFP-labeled monitoring tool to quantify conjugative plasmid transfer between Gram-positive and Gram-negative bacteria
Appl. Environ. Microbiol.: Epub Dec 2. doi: 10.1128/AEM.05578-11.

On basis of pIP501 a GFP-tagged monitoring tool was constructed for quantifying plasmid mobilization among Gram-positive bacteria and between Gram-positive Enterococcus faecalis and Gram-negative E. coli. Furthermore, retromobilization of the GFP-tagged monitoring tool was shown from E. faecalis OG1X into the clinical isolate E. faecalis T9.