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A comparison of Escherichia coli O157 isolates from cattle in Japan and the USA by molecular biological methods

Published online by Cambridge University Press:  03 November 2000

M. AKIBA
Affiliation:
Laboratory of Zoonosis, Feed Safety Research Division, National Institute of Animal Health, Kannondai 3-1-1, Tsukuba, Ibaraki, 305-0856, Japan Current address: Laboratory of Clinical Bacteriology, Kyushu Research Station, National Institute of Animal Health, 2702 Chuzan-cho, Kagoshima-shi, Kagoshima 891-0105, Japan.
D. H. RICE
Affiliation:
Field Disease Investigation Unit, Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA 99164-7060, USA
M. A. DAVIS
Affiliation:
Field Disease Investigation Unit, Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA 99164-7060, USA
T. MASUDA
Affiliation:
Department of Microbiology, Shizuoka Prefectural Institute of Public Health and Environmental Science, Shizuoka, Shizuoka 420-0881, Japan
T. SAMESHIMA
Affiliation:
Laboratory of Zoonosis, Feed Safety Research Division, National Institute of Animal Health, Kannondai 3-1-1, Tsukuba, Ibaraki, 305-0856, Japan
M. NAKAZAWA
Affiliation:
Laboratory of Zoonosis, Feed Safety Research Division, National Institute of Animal Health, Kannondai 3-1-1, Tsukuba, Ibaraki, 305-0856, Japan
D. D. HANCOCK
Affiliation:
Field Disease Investigation Unit, Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA 99164-7060, USA
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Abstract

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Escherichia coli O157 isolates from cattle in Japan (n = 91) and in the USA (n = 415) were compared by pulsed-field gel electrophoresis of endonuclease-cleaved genomic DNA, location of the stx genes and bacteriophage typing. Three isolates from cattle in Japan with high similarity to isolates from cattle in the USA were found. Isolates from cattle farms in Japan and the USA may share a common source.

Type
SHORT PAPER
Copyright
© 2000 Cambridge University Press