ColE1

//original discovery of ColE1 plasmid // use of ColEI as a vector
 * 1) MolecularCloning isbn=0-87969-577-3
 * 2) Bazaral-J-Mol-Biol-1968 pmid=4939624
 * 1) Hershfield-Proc-Natl-Acad-Sci-USA-1974 pmid=4610576