- The PapG-adhesin at the tip of P-fimbriae provides Escherichia coli with a competitive edge in experimental bladder infections of cynomolgus monkeys. Winberg, J., Möllby, R., Bergström, J., Karlsson, K.A., Leonardsson, I., Milh, M.A., Teneberg, S., Haslam, D., Marklund, B.I., Normark, S. J. Exp. Med. (1995)