TABLE 1.

Description of USA300-0114 isolates characterized in this study

Isolate no.State of isolation; population cluster (reference)Antimicrobial resistance patternbPlasmid profile (kb)Resistance genotype detected by PCR
1Pennsylvania; college football team (9)Penr Oxar Eryr30, 3.1blaZ mecA msrA
2Pennsylvania; college football team (9)Penr Oxar Eryr30, 3.1blaZ mecA msrA
3Mississippi; prisoners (7)Penr Oxar Eryr Tetr30, 4.3, 3.1blaZ mecA msrA tet(K)
4Georgia; prisoners (10)Penr Oxar Eryr30blaZ mecA msrA
5State unknown; nasal surveillance surveyPenr Oxar Eryr Tetr30, 4.3, 3.1blaZ mecA msrA tet(K)
6State unknown; nasal surveillance surveyPenr Oxar Eryr30, 3.1blaZ mecA msrA
7Tennessee; children (5)Penr Oxar Eryr30, 3.1blaZ mecA msrA
8Tennessee; children (5)Penr Oxar Eryr Tetr LvxI30, 4.3, 3.1blaZ mecA msrA tet(K)
9Texas; childrenPenr Oxar Eryr30, 3.1blaZ mecA msrA
10Texas; prisoners (10)Penr Oxar Eryr Tetr30, 4.3, 3.1blaZ mecA msrA tet(K)
11Texas; prisoners (10)Penr Oxar Eryr CliInd30, 3.1, 2.6blaZ mecA msrA ermC
12Texas; outpatientPenr Oxar Eryr CliInd30, 3.1, 2.6blaZ mecA msrA ermC
13Texas; outpatientPenr Oxar Eryr30, 3.1blaZ mecA msrA
14Colorado; fencer (9)Penr Oxar Eryr30, 3.1blaZ mecA msrA
15Colorado; fencer (9)Penr Oxar Eryr30, 3.1blaZ mecA msrA
16Washington; adultPenr Oxar Eryr30, 3.1blaZ mecA msrA
17Washington; adultPenr Oxar Eryr30, 3.1blaZ mecA msrA
18Nevada; childPenr Oxar Eryr Tetr LevI30, 4.3, 3.1blaZ mecA msrA tet(K)
19California; MSMa (8)Penr Oxar Eryr CliCon30blaZ mecA msrA ermC
20California; college football team (8)Penr Oxar Eryr LvxI30, 3.1blaZ mecA msrA
21California; prisoner (8)Penr Oxar Eryr LvxI30, 3.1blaZ mecA msrA
22California; children (8)Penr Oxar Eryr Tetr LvxI30, 4.3, 3.1blaZ mecA msrA tet(K)
23California; MSM (8)Oxar Tetr LvxI;β -lactamase negative4.3, 3.1mecA tet(K)
24Missouri; professional football teamPenr Oxar Eryr30, 3.1blaZ mecA msrA
25California; professional football team (8)Penr Oxar Eryr30, 3.1blaZ mecA msrA
26California; professional football team (8)Penr Oxar Eryr30, 3.1blaZ mecA msrA
27California; professional football team (8)Penr Oxar Eryr30, 3.1blaZ mecA msrA
28Pennsylvania; young adult with necrotizing pneumoniaPenr Oxar Eryr30, 3.1blaZ mecA msrA
29Texas; patient with influenzaPenr Oxar Eryr CliInd23, 3.1, 2.6blaZ mecA ermC
30Hawaii; seawaterPenr Oxar;β -lactamase negative3.1mecA
  • a MSM, men who have sex with men.

  • b Cli, clindamycin; Con, constitutive; Ery, erythromycin; I, intermediate; Ind, inducible; Lvx, levofloxacin; Oxa, oxacillin; Pen, penicillin; Tet, tetracycline.