Extensive genomic diversity and selective conservation of virulence-determinants in enterohemorrhagic Escherichia coli strains of O157 and non-O157 serotypes
Yoshitoshi Ogura, Tadasuke Ooka, Asadulghani, Jun Terajima, Jean-Philippe Nougayrède, Ken Kurokawa, Kousuke Tashiro, Toru Tobe, Keisuke Nakayama, Satoru Kuhara, Eric Oswald, Haruo Watanabe and Tetsuya Hayashi*