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Volume 11, Number 6—June 2005
Research
Emergence and Spread of Streptococcus pneumoniae with erm(B) and mef(A) Resistance
David J. Farrell*
, Stephen G. Jenkins†, Steven D. Brown‡, Manish Patel§, Bruce S. Lavin§, and Keith P. Klugman¶#
, Stephen G. Jenkins†, Steven D. Brown‡, Manish Patel§, Bruce S. Lavin§, and Keith P. Klugman¶#
Table 5
Distributions of sequence types and serotypes of 518 dual erm(B)+mef(A) erythromycin-resistant Streptococcus pneumoniae isolates collected during the PROTEKT global study (1999–2003, n = 366) and the PROTEKT US study (2000–2003, n = 152)*
| Clonal complex (n) | PMEN clone designation | Sequence types (n) | Serotypes (n) |
|---|---|---|---|
| CC 271 (446) | Taiwan19F-14 | 236 (48)†, 257 (1), 271 (218), 283 (4), 320 (93), 1396 (6), 1407 (1), 1408 (2), 1409 (4), 1410 (3), 1411 (1), 1412 (3), 1413 (1), 1414 (1), 1415 (1), 1416 (2), 1417 (1),1418 (11), 1419 (4), 1420 (1), 1421 (3), 1422 (1), 1423 (1), 1425 (1), 1428 (3), 1429 (2), 1430 (1), 1431 (1), 1432 (3), 1433 (2), 1434 (1), 1449 (1), 1451 (5), 1453 (1), 1455 (2), 1457 (1), 1458 (1), 1459 (1), 1460 (1), 1461 (2), 1462 (1), 1463 (1), 1464 (2), 1465 (1), 1466 (1) | 14 (3), 19A (66), 19F (376), NT (1) |
| CC 242 (25) | Taiwan23F-15 | 242 (9), 880 (1), 1435 (2), 1436 (1), 1441 (1), 1442 (1), 1443 (1), 1444 (7), 1445 (2) | 23F (25) |
| CC 81 (12) | Spain23F-1 | 81 (10), 1450 (1), 1456 (1) | 14 (1), 19F (3), 23F (5), 6A (1), NT (2) |
| Singletons | 13 (4), 66 (1), 87 (2), 90 (2), 451 (2), 1424 (3), 1426 (8), 1427 (1), 1437 (2), 1438 (1), 1439 (1), 1440 (1), 1446 (1), 1447 (1), 1448 (1), 1452 (1), 1454 (1), 1467 (2) | 14 (4), 34(1), 16F (1), 19A (9), 19F (6), 23F (2), 35B (2), 6A (1), 6B (7), 7F (1), 9N (1) |
*PMEN, Pneumococcal Molecular Epidemiology Network; NT, nontypeable.
†Sequence type 236 was previously described as CC 236 by Ko and Song (22) but is described as CC 271 in this study based on BURST analysis.
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