Nucleotide sequence of the rodA gene, responsible for the rod shape of Escherichia coli: rodA and the pbpA gene, encoding penicillin-binding protein 2, constitute the rodA operon.
Matsuzawa H, Asoh S, Kunai K, Muraiso K, Takasuga A, Ohta T. J Bacteriol. 1989 Jan; 171(1):558-60.