Table 2.
NG-MAST typing of isolates collected in Queensland from January 2010 to August 2015
| Year | No of Neisseria gonorrhoeae isolates | No of porB alleles | Most frequent porB alleles | No of tbpB alleles | Most frequent tbpB alleles | Number of NG-MAST types | Most frequent NG-MAST types | porB class | Invasive (DGI) isolates* |
| 2010 | 782 | 165 | porB 4101 (18.7%) | 87 | tbpB 29 (17.6%) | 208 | 6876 (16.1%) | PIAˆ—255 (32.6%) PIBˆ—527 (67.3%) |
12 (1.5%) |
| porB 2280 (5.3%) | tbpB 1330 (16.3%) | 6863 (5.4%) | |||||||
| porB 908 (4.7%) | tbpB 1329 (8.4%) | 1407 (4.7%) | |||||||
| porB 1808 (4.4%) | tbpB 110 (6.6%) | 2992 (4.4%) | |||||||
| porB 4143 (3.7%) | tbpB 349 (6.1%) | 6940 (3.7%) | |||||||
| 2011 | 754 | 157 | porB 4101 (17.9%) | 85 | tbpB 29 (24.0%) | 206 | 6876 (14.4%) | PIA—240 (31.8%) PIB—514 (68.1%) |
8 (1.0%) |
| porB 1808 (8.8%) | tbpB 1330 (15.5%) | 2992 (8.8%) | |||||||
| porB 4099 (5.3%) | tbpB 349 (7.0%) | 6879 (4.7%) | |||||||
| porB 14 (4.7%) | tbpB 33 (6.7%) | 21 (4.4%) | |||||||
| porB 4104 (3.7%) | tbpB 1329 (6.1%) | 6937 (3.2%) | |||||||
| 2012 | 680 | 156 | porB 4101 (12.2%) | 91 | tbpB 29 (19.7%) | 203 | 21 (8.6%) | PIA—195 (28.6%) PIB—485 (71.3%) |
10 (1.4%) |
| porB 14 (8.6%) | tbpB 349 (12.3%) | 2992 (7.6%) | |||||||
| porB 4099 (7.7%) | tbpB 33 (10.8%) | 6879 (7.5%) | |||||||
| porB 1808 (7.6%) | tbpB 1330 (9.1%) | 6876 (7.0%) | |||||||
| porB 4104 (5.5%) | tbpB 1329 (7.0%) | 6937 (4.1%) | |||||||
| 2013 | 650 | 167 | porB 1808 (7.2%) | 93 | tbpB 29 (18.9%) | 217 | 21 (6.0%) | PIA—160 (24.6%) PIB—490 (75.3%) |
10 (1.5%) |
| porB 4101 (6.7%) | tbpB 349 (8.3%) | 4822 (6.0%) | |||||||
| porB 1903 (6.1%) | tbpB 33 (7.5%) | 6879 (5.3%) | |||||||
| porB 14 (6.0%) | tbpB 110 (6.9%) | 4186 (5.2%) | |||||||
| porB 4099 (5.3%) | tbpB 241 (6.9%) | 5533 (4.0%) | |||||||
| 2014 | 633 | 147 | porB 1808 (14.6%) | 90 | tbpB 241 (8.5%) | 201 | 4186 (7.1%) | PIA—140 (22.1%) PIB—493 (77.8%) |
18 (2.8%) |
| porB 2569 (7.2%) | tbpB 29 (7.8%) | 9654 (5.6%) | |||||||
| porB 147 (6.4%) | tbpB 4 (7.1%) | 4244 (4.8%) | |||||||
| porB 4101 (4.5%) | tbpB 110 (6.1%) | 10 039 (3.7%) | |||||||
| porB 5912 (3.7%) | tbpB 1744 (6.0%) | 5004 (2.3%), 6879 (2.3%) | |||||||
| 2015† | 454 | 115 | porB 1808 (12.1%) | 74 | tbpB 241 (16.5%) | 154 | 4186 (10.1%) | PIA—87 (19.1%) PIB—367 (80.8%) |
6 (1.3%) |
| porB 2569 (10.1%) | tbpB 4 (6.4%) | 4244 (5.2%) | |||||||
| porB 147 (8.14%) | tbpB 29 (5.9%) | 9654 (4.4%) | |||||||
| porB 2656 (5.0%) | tbpB 893 (5.7%) | 9909 (3.9%) | |||||||
| porB 543 (4.1%) | tbpB 1744 (5.3%) | 11 821 (3.7%) |
PorB class IA or IB
*Percentage of total isolates.
†Data collected up until August 2015.
DGI, disseminated gonococcal infection; NG-MAST, Neisseria gonorrhoeae multiantigen sequence typing.