Table 5.
Presence or absence of four genes encoding outer membrane proteins in meningococcal strains involved in clonal replacement in individual carriers
| Carrier | Presence of genea in: |
|||||||
|---|---|---|---|---|---|---|---|---|
| Initial clone |
Replacement clone |
|||||||
| nadA | hpu | hmbR | opc | nadA | hpu | hmbR | opc | |
| V54 | + | + | − | + | − | + | − | + |
| V63 | + | + | − | + | − | + | + | + |
| V138 | + | + | − | + | − | + | + | + |
| V64 | − | + | − | + | − | + | − | + |
| V82 | − | + | − | + | + | + | + | + |
| V124 | − | + | − | + | − | + | + | + |
| V140 | − | + | + | + | + | − | + | + |
| V115 | − | + | + | + | + | + | − | + |
| V120 | − | + | + | + | − | + | − | + |
| V137 | − | + | + | + | − | + | + | + |
| V50 | − | + | + | + | − | + | − | + |
| V70 | + | + | + | + | − | − | + | ND |
| V226 | + | − | + | + | − | + | − | + |
| V199 | − | + | + | + | − | + | − | + |
| V192 | − | + | − | + | − | + | − | + |
| V56 | − | − | + | + | − | + | + | + |
| V206 | − | + | + | + | − | + | − | + |
| V145 | + | − | + | − | + | + | + | + |
a
The typing characteristics of these strains are as presented in Table 3. +, gene detected by PCR; −, gene not detected by PCR; ND, not determined.