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. 2005 May;71(5):2493–2500. doi: 10.1128/AEM.71.5.2493-2500.2005

TABLE 1.

STEC strains used in this study

Serotype and strain Locale (yr) stx gene(s) % RpoS+ Sequence type Stx EIAa Sourceb
E. coli O157:H7
    TW07591 Mich. (1997) stx2 27 70 + 1
    TW07695 Fla. (1997) stx1, stx2 74 60 + 1
    TW07700 Calif. (1997) stx1, stx2 91 66 + 1
    TW07702 Ohio (1997) stx2 95 59 + 1
    TW07704 Ohio (1997) stx2 88 66 + 1
    TW07706 Utah (1997) stx1, stx2 88 66 + 1
    TW07928 D.C. (1998) stx2 99 66 + 1
    TW07937 Mass. (1998) stx2 76 66 + 1
    TW07938 Mass. (1998) stx1, stx2 100 66 + 1
    TW07939 Mass. (1998) stx1, stx2 100 66 + 1
    TW07941 Mass. (1998) stx1, stx2 45 66 + 1
    TW07943 Mass. (1998) stx1, stx2 96 66 + 1
    TW07945 Fla. (1998) stx2 94 66 + 1
    TW07949 D.C. (1999) stx1, stx2 80 66 + 1
    TW07950 D.C. (1999) stx1, stx2 51 66 + 1
    TW07952 D.C. (1999) stx1, stx2 82 66 + 1
    TW07953 D.C. (1999) stx1, stx2 38 66 + 1
    TW07956 D.C. (1999) stx1, stx2 94 66 + 1
    TW07957 D.C. (1999) stx1, stx2 63 66 + 1
    TW07958 D.C. (1999) stx1, stx2 53 66 + 1
    TW07961 Ohio (1998) stx1, stx2 96 66 + 1
    TW07962 Ohio (1998) stx1, stx2 82 66 + 1
    TW08022 Mont. (2000) stx1, stx2 100 66 + 7
    TW08026 Mont. (2000) stx1, stx2 100 71 + 7
    TW08027 Mont. (2000) stx1, stx2 100 62 + 7
    TW08030 Mont. (2000) stx2 45 72 + 7
    TW08080 Mont. (2000) stx2 61 66 − 7
    TW08609 Wash. (2000) stx2 100 66 + 7
    TW08610 Wash. (2000) stx2 100 66 + 7
    TW08612 Wash. (2000) stx1, stx2 100 66 + 7
E. coli O26:H11
    TW07594 Ariz. (1997) stx1 96 110 + 1
    TW07595 Neb. (1998) stx1 100 106 + 3
    TW07600 Neb. (1998) stx1 100 106 + 3
    TW07622 Mich. (2002) stx1, stx2 4 106 + 5
    TW07814 Idaho (1997) stx1, stx2 100 104 + 6
    TW07936 Mass. (1998) stx1 100 10 + 1
    TW07948 D.C. (1999) stx1 97 106 + 1
    TW08024 Mont. (2000) stx1 100 114 + 7
    TW08033 Mont. (2000) stx1 100 102 + 7
    TW08038 Mont. (2000) stx1 98 101 + 7
    TW08052 Mont. (2000) stx1 76 103 + 7
    TW08060 Mont. (2000) stx1 100 112 + 7
    TW08084 Mont. (2000) stx1 99 99 + 7
    TW08569 Germany (1998) stx2 54 115 − 2
    TW08570 Germany (1999) stx2 94 113 + 2
    TW08571 Germany (2000) stx1, stx2 100 104 + 2
    TW08637 Wash. (2000) stx1 100 106 + 7
    TW09184 Mich. (2003) ND 100 106 + 5
E. coli O111:H8
    TW07598 Neb. (1998) stx1, stx2 100 106 + 3
    TW07601 Neb. (1998) stx1, stx2 100 106 + 3
    TW08642 Wash. (1999) stx1 100 106 + 7
    TW08643 Wash. (2001) stx1 100 106 + 7
E. coli O121:H19
    TW07615 Mich. (2002) stx2 82 182 + 5
    TW07927 D.C. (1998) stx1, stx2 100 182 + 1
    TW07931 Mass. (1998) stx2 100 182 + 1
    TW08036 Mont. (2000) stx2 100 182 + 7
    TW08040 Mont. (2000) stx2 100 183 + 7
    TW08042 Mont. (2000) stx2 100 180 + 7
    TW08043 Mont. (2000) stx2 90 182 + 7
    TW08055 Mont. (2000) stx2 88 187 + 7
    TW08063 Mont. (2000) stx2 99 184 + 7
    TW08091 Mont. (2000) stx2 100 179 + 7
    TW08646 Wash. (2000) stx2 100 133 − 7
    TW08649 Switzerland (2002) stx2 100 185 + 4
    TW08650 Switzerland (2002) stx2 100 181 + 4
    TW08653 Canada (2002) stx2 100 182 + 4
a

Shiga toxin production was tested by enzyme-linked immunoassay on a single RpoS+ colony.

b

Strains were obtained from the following sources: 1, D. Acheson (1, 43); 2, L. Beutin, Robert Koch Institute, Germany; 3, P. Fey (14); 4, R. Johnson, Laboratory of Foodborne Zoonoses, Canada; 5, J. Rudrik, Michigan Department of Community Health; 6, A. O'Brien (15); 7, P. Tarr (21, 23).