Table 4: Molecular characteristics of MRSA strains isolated in Tunisia.
| spa type | agr group | SCCmec type | Non-ß-lactam resistance | |
| CA-MRSA (n = 49) | ||||
| PVL positive (n = 41) | t044(32) | 3(32) | IV(27), NT(5) | KAN(29), TE(27), TIG (1), ERY(5), Lin(1), FUC(28), OFL(2), RA(1) |
| t311(1), t376(1), t131(1), t693(1), t1109(1), t639(1), t13635(1), t13713(1), t13714(1) | 3(6), 2(2), NT(1) | IV(4), I(1), NT(4) | KAN(9), TE(8), ERY(4), FU (7), OFL(1), C(2) | |
| PVL negative (n = 8) | t002(2) | 2(2) | IV(2) | FUC(1) |
| t044 (2) | 3(2) | NT(2) | KAN(2), ERY(1), FUC(1), OFL(1) | |
| t037(1) | 1(1) | III(1) | KAN(1), TOB(1), GEN(1), TE (1), ERY(1), OFL(1), RA(1), SXT(1) | |
| t899(1), t311(1), ND(1) | 1(2), 2(1) | IV(1) | TE(1), SXT(1) | |
| HA-MRSA (n = 86) | ||||
| PVL positive (n = 28) | t044(22) | 3(22) | IV(15), NT(7) | KAN(20), TOB(1), GEN(1), TE(16), ERY(9), LIN(2), PT(1), FUC(16), OFL(2), RA(3), CHL(2) |
| t42(1), t127(1), t131(1), t1109(1), t1201(1), ND(1) | 3(6) | I(1), II(1), III(1), IV(1), NT(2) | KAN(5), TOB(2), GEN(2), TE(5), ERY(4), LIN(1), FUC(4), OFL(2), R (2), FOS(1), SX (1) | |
| PVL negative (n = 58) | t037(25) | 1(25) | III(25) | KAN(25), TOB(25), GEN(25), TE(25), ERY(22), LIN(16),FUC(1), OFL(23), RA(8), FOS(1), SX (5), C(19) |
| t311(7) | 2(7) | II(4), IV(1), NT(1) | KAN(7), TOB(7), GE (3), TE(7), ERY(4), LIN(3), PT(3), FUC(3), OFL(3), RA(3) | |
| t052(5) | 1(5) | I(5) | KAN(5), TOB(5), GEN(5), TE(5), ERY(5), LIN(5), OFL(5), RA(5) | |
| t044(5) | 3(5) | IV(2) | KAN(5), TOB(2), GEN(2), TE(3), ERY(1), LIN(1), FU (3), OFL(1), RA(2) | |
| t535(2) | 2(2) | IV(2) | TE(1), FUC(2) | |
| t002(1), t008(1), t012(1), t688(1), t855(1), t899(1), t4358(1), t5708(1), ND(6) | 1(9), 2(3), 3(2) | I(6), III(2), IV(4), NT(2) | KAN(2), TOB(2), GEN(2), TE(5), ERY(4), LIN(3), FUC(2), OFL(6), R (3), FOS(1), SXT(4), C(1), TEC(1) |
ND: Not Detected; NT: Non Typeable.ND: Not Detected; NT: Non Typeable.
MRSA: Methicillin Resistant Staphylococcus aureus; PVL: Panton-Valentine Leukocidin; CA: Community Acquired; HA: Hospital Acquired; spa type: Staphylococcal Protein A Type; KAN: Kanamycin; TOB: Tobramycin; GEN: Gentamicin; TE: Tetracycline; TIG: Tigecycline; ERY: Erythromycin; LIN: Lincomycin; PT: Pristinamycin; FUC: Fusidic acid; OFL: Ofloxacin; RA: Rifampicin; FOS: Fosfomycine; SXT: Trimethoprim-Sulfamethoxazole; C: Chloramphenicol; TEC: Teicoplanin.