Genotyping of a gene cluster for production of colibactin and in vitro genotoxicity analysis of Escherichia coli strains obtained from the Japan Collection of Microorganisms oleh Masanobu Kawanishi, Chiaki Shimohara, Yoshimitsu Oda, Yuuta Hisatomi, Yuta Tsunematsu, Michio Sato, Yuichiro Hirayama, Noriyuki Miyoshi, Yuji Iwashita, Yuko Yoshikawa, Haruhiko Sugimura, Michihiro Mutoh, Hideki Ishikawa, Keiji Wakabayashi, Takashi Yagi, Kenji Watanabe