Berg P E, Gayda R, Avni H, Zehnbauer B, Markovitz A
Proc Natl Acad Sci U S A. 1976 Mar;73(3):697-701. doi: 10.1073/pnas.73.3.697.
A 2 x 10(6) dalton DNA fragment that controls cell division, capsular polysaccharide synthesis, and enzymes of capsular polysaccharide synthesis has been cloned.