TABLE 4.
Characteristics of 92 MR DT104 strains from humans and animals
| No. of isolates
|
R type codea | Plasmid profile (MDa) | PFGE profile | GyrA substitution | |
|---|---|---|---|---|---|
| Human (n = 49) | Animal (n = 43) | ||||
| 23 | 20 | A | 60 | XTm1 | Asp-87→Asn |
| 5 | 3 | A | 60 | XTm1 | Ser-83→Phe |
| 3 | 2 | A | 60 | XTm1 | Asp-87→Gly |
| 1 | 1 | A | 60 | XTm1 | Asp-87→Tyr |
| 1 | A | 60 | XTm46 | Ser-83→Tyr | |
| 2 | 4 | A | 60, 2.0 | XTm1 | Asp-87→Asn |
| 1 | A | 60, 2.0 | XTm1 | Asp-87→Gly | |
| 3 | A | 60, 1.0 | XTm1 | Asp-87→Asn | |
| 1 | A | 60, 1.0 | XTm1 | Asp-87→Gly | |
| 2 | 1 | A | 60, 2.5 | XTm1 | Asp-87→Asn |
| 1 | A | 60, 54 | XTm1 | Asp-87→Asn | |
| 1 | A | 60, 35 | XTm1 | Asp-87→Asn | |
| 1 | A | 52, 2.0 | XTm1 | Asp-87→Asn | |
| 1 | A | 70 | XTm1 | Asp-87→Asn | |
| 1 | A | 70, 3.0 | XTm1 | Asp-87→Asn | |
| 1 | A | 60, 3.0 | XTm1 | Asp-87→Asn | |
| 1 | A | 120, 60 | XTm1 | Ser-83→Phe | |
| 1 | A | 60, 4.0, 2.5 | XTm1 | Asp-87→Asn | |
| 1 | A | 60, 4.0, 2.0 | XTm47 | Ser-83→Phe | |
| 1 | A | 60, 3.0, 2.0 | XTm1 | Asp-87→Asn | |
| 1 | A | 60, 2.5, 2.0 | XTm1 | Asp-87→Tyr | |
| 1 | A | 60, 4.0, 2.0 | XTm18 | Asp-87→Asn | |
| 1 | B | 60, 4.6 | XTm1 | Asp-87→Asn | |
| 1 | B | 60, 4.6 | XTm1 | Ser-83→Phe | |
| 1 | B | 60, 40, 4.6 | XTm1 | Asp-87→Asn | |
| 1 | B | 60, 4.6 | XTm18 | Ser-83→Tyr | |
| 1 | B | 60, 4.6, 2.0 | XTm18 | No mutation | |
| 1 | C | 60, 4.1, 4, 3.6, 2.0 | XTm18 | Ser-83→Phe | |
| 1 | D | 60 | XTm1 | Asp-87→Asn | |
a
See Table 1 for the correlation of R type codes to R types.