Article
Clonal structure of Shiga toxin (Stx)-producing and beta-D-glucuronidase-positive Escherichia coli O157:H7 strains isolated from outbreaks and sporadic cases in Hokkaido, Japan.
Journal of medical microbiology - 1 May 2002
Nagano Hideki, Okui Toyo, Fujiwara Osamu, Uchiyama Yasuhiro, Tamate Naoto, Kumada Hiroyuki, Morimoto Y O, Yano Shoki
Abstract excerpt
A total of 22 clonal phenotypic variants of Shiga toxin (Stx)-producing Escherichia coli (STEC) O157:H7 was isolated from six different locations in Hokkaido, Japan. These isolates were negative for sorbitol fermentation but positive for beta-D-glucuronidase (GUD+). They carried eaeA, EHEC-hlyA, pas and etpD genes like typical E. coli O157:H7 and, in addition, st1 and stx2 genes. However, they were shown to lack...
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