TABLE 4.
FCT region genotypes for 113 diverse strains
| FCT region genotype | FCT region locus
|
No. of isolates (%) | |||||
|---|---|---|---|---|---|---|---|
| rofA/nra | prtF1 | srtB | cpa | sipA-(fctA)-srtC-fctB | prtF2 | ||
| FCT-1 | rofA | Present | Present | Absent | Absent | Absent | 8 |
| FCT-2 | rofA | Absent | Present | Absenta | Absent | Absent | 2 |
| FCT-3 | nra | Absent | Absent | Present | Present | Present | 36 (32) |
| FCT-4 | rofA | Present | Present | Present | Present | Present | 31 (27) |
| FCT-5 | rofA | Present | Absent | Absent | Absent | Absent | 19 (17) |
| FCT-6 | rofA | Absent | Absent | Absent | Absent | Absent | 1 |
| FCT-7 | rofA | Present | Present | Absent | Present | Present | 13 (12) |
| FCT-8 | nra | Present | Present | Present | Present | Present | 3 |
a
No PCR product was obtained with either the Cpa-A or Cpa-B reactions for the two FCT-2 isolates, although amino acid alignment (Table 2) provides evidence for a divergent cpa-like gene in two emm1-type strains.