Table 2

NG-MAST typing of isolates collected in Queensland from January 2010 to August 2015

YearNo of Neisseria gonorrhoeae isolatesNo of porB allelesMost frequent porB allelesNo of tbpB allelesMost frequent tbpB allelesNumber of NG-MAST typesMost frequent NG-MAST types porB classInvasive (DGI) isolates*
2010782165porB 4101 (18.7%)87tbpB 29 (17.6%)2086876 (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%)
2011754157porB 4101 (17.9%)85tbpB 29 (24.0%)2066876 (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%)
2012680156porB 4101 (12.2%)91tbpB 29 (19.7%)20321 (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%)
2013650167porB 1808 (7.2%)93tbpB 29 (18.9%)21721 (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%)
2014633147porB 1808 (14.6%)90tbpB 241 (8.5%)2014186 (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†454115porB 1808 (12.1%)74tbpB 241 (16.5%)1544186 (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.