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. 2004 Oct;42(10):4657–4671. doi: 10.1128/JCM.42.10.4657-4671.2004

TABLE 4.

Distribution of 12 regions associated with virulence among V. cholerae natural isolates as determined by PCR analysisa

Strain type and name VSP-I (0175-0185) MSHA (0398-0411) hlyA (0489) VSP-II (0490-0516) VPI-I (0819-0847) PilE (0857) RTX (1447-1451) RS1 (1452-1455) CTXφ (1456-1464) TLC (1465-1480) VPI-2 (1758-1809) intl4 (vca0291)
O1 classical
    O395 + + + + + + + + +
    569B + + + + + + + + +
    C1 + + + + + + + + +
    C14 + + + + + + + + +
    CA401 + + + + + + + + +
    GP12 + + + + + + + + +
O1 E1 Tor
    GP33 + + + + + + + + + + +
    GP43 + + + + + + + + + + +
    GP155 + + + + + + + + + +
    N16961 + + + + + + + + + + + +
    3038 + + + + + + + + + + + +
    F1873 + + + + + + + + + + + +
    F1875 + + + + + + + + + + + +
    F1939 + + + + + + + + + + + +
    SM115 + + + + + + + + + + + +
    2125-98 + + + + + + + + + + + +
    2164-78 + + + + + + + + +
Pre-seventh pandemic E1 Tor strains
    RV79 + + + + + + + + +
    C5 + + + + + + + + + + +
    Nontoxigenic El Tor strains
    2740-80 + + + + + + + +
    468-83 + + + + + +
O1 strains of unknown biotype
    1528-79 + + + + +
    917-84 + + + + + + + + +
O139
    36054-98 + + + + + + + + + + +* +
    SG20 + + + + + + + + + + +* +
    AS207 + + + + + + + + + + +* +
    AS209 + + + + + + + + + + +* +
    AS212 + + + + + + + + + + +* +
    AS213 + + + + + + + + + + +* +
    AS231 + + + + + + + + + + +* +
    AS259 + + + + + + + + + + +* +
    AS260 + + + + + + + + + + +* +
    35636-97 + + + + + + + + + + +* +
    MO2 + + + + + + + + + + + +
    MO10 + + + + + + + + + + +* +
    MO45 + + + + + + + + + + +* +
Non-O1/non-O139 strains
    151 + + + + + + + +
    CO476 + + + + +
    VO7 + + + + + + + +
    CO130 + + + + + + + + +
    V45 + + + + + + + + +
    V46 + + + + + + + + +
    V47 + + + + + + + + +
    V52 + + + + + + + + + +
    V53 + + + + + + + + + +
    V54 + + + + + + + + + +
    SG3 + + + + + + +
    SG6 + + + + + +
    SG7 + + + + + +
    SG8 + + + + + +
    SG9 + + + + +
    SG10 + + + + + + +
    SG14 + + + + + + + +
    AM112 + + + + + + +
    VIG1613 + + + + + +
    DK59 + + + + +
    DK67 + + + + +
    DK71 + + + + + +
    SCE4 + + + + + + +
    SCE188 + + + + + + + + + +
    208 + + + + + + + +
    C43 + + + + + +
    9581 + + + + + + +
    9582 + + + + + + +
a

The numbers in parentheses. refer to the genetic organization, e.g., 0175 is VC0175. Asterisks denote strains that only contain the phage-like region of VP1-2; the nan-nag region and restriction modification system are absent. +, present; −, absent.