TABLE 4.
Source and characteristics of the clinical and environmental V. parahaemolyticus isolates used in this study
| Source or strain (no. of strains) | Origin | Serovar | Genotype
|
|||
|---|---|---|---|---|---|---|
| TDH gene | TRH gene | TTSS2 gene | V. parahaemolyticus MTase gene | |||
| Pandemic strains (55) | ||||||
| Human (11) | Hong Kong | O3:K6 | + | − | + | + |
| Human (22) | Bangladesh | O3:K6 | + | − | + | + |
| Human | Bangladesh | O3:K6 | + | − | + | − |
| Human | Hong Kong | O4:K68 | + | − | + | + |
| Human (12) | Bangladesh | O4:K68 | + | − | + | + |
| Human (5) | Bangladesh | O1:KUT | + | − | + | + |
| Human (3) | Bangladesh | O1:K25 | + | − | + | + |
| Nonpandemic strains (53) | ||||||
| Human (2) | Bangladesh | O5:KUT | + | − | + | + |
| Human | Bangladesh | O5:KUT | + | − | + | − |
| Human | Bangladesh | O5:KUT | − | − | − | − |
| Human (3) | Bangladesh | O1:K56 | + | − | + | − |
| Human | Bangladesh | O1:K56 | − | + | − | − |
| Human | Bangladesh | O4:K55 | − | + | − | − |
| Human | Bangladesh | O4:K11 | − | + | − | − |
| Human (2) | Hong Kong | NDa | − | + | − | − |
| Human | Hong Kong | ND | + | + | − | − |
| Human (8) | Hong Kong | ND | + | − | + | − |
| Human (8) | Hong Kong | ND | + | − | + | + |
| Human | Taiwanb | K8 | + | − | + | − |
| Human (3) | Taiwan | K3 | + | − | + | − |
| Human (5) | Taiwan | K29 | + | − | + | − |
| Human (2) | Taiwan | K60 | + | − | + | − |
| Human (5) | Taiwan | K15 | + | − | + | − |
| Human | Taiwan | K10 | + | − | + | − |
| Human | Taiwan | K4 | + | − | + | − |
| Human | Bangladesh | O8:K22 | + | − | + | + |
| Human | Bangladesh | O4:K22 | + | − | + | + |
| Human | Bangladesh | O1:K38 | + | − | + | + |
| Human | Bangladesh | O4:K10 | + | − | + | + |
| Human | Bangladesh | O2:K3 | + | − | + | + |
| Human | Bangladesh | O3:K29 | + | − | + | + |
| Environmental strains (39) | ||||||
| CECT611 (marine) | Spain | ND | − | − | − | − |
| CECT612 (marine) | Spain | ND | − | − | − | − |
| CECT613 (plankton) | Spain | ND | − | − | − | − |
| Seawater (35) | Hong Kong | ND | − | − | − | − |
| T4-1 (marine) | Hong Kong | ND | − | − | − | + |
a
ND, serotype unknown.
b
All Taiwanese strains examined in this study were isolated before 1996.