Research Article

Hospital-Related Lineage of USA300 Methicillin-Resistant Staphylococcus aureus (MRSA) to Cause Bacteremia in Iran

Table 2

Distribution of toxin and resistance patterns in different lineages obtained from BSIs.

CCSTspa (no., %)SCCmec (no., %)Toxin genes (no., %)Antibiotic resistance (no., %)Hospitals (no., %)Total (%)

CC8ST8t008 (35, 100)IV (35, 100)pvl (35, 100)PEN, NIT, CLI, ERY, RIF, CIP, TET, SXT, MUP (14, 40)A (13, 37.1), B (12, 34.3), C (10, 28.6)35 (41.2)
PEN, NIT, RIF, ERY, GEN, TET, SXT, MUP (2, 5.7)
PEN, CLI, ERY, VAN (1, 2.9)
PEN, TET, ERY, CIP, GEN (15, 42.9)
PEN (3, 8.5)
ST239t631 (5, 31.3), t037 (6, 37.4), t860 (5, 31.3)III (16, 100)tst (5, 31.3)PEN, NIT, ERY, CLI, TET, VAN, SXT (3, 18.7)A (4, 25), B (7, 43.8), C (5, 31.2)16 (18.8)
PEN, SYN, ERY, SXT, VAN, MUP (1, 6.3)
PEN, NIT, CLI, RIF, SYN, ERY, SXT, MUP (1, 6.3)
PEN, CLI, ERY, RIF, SXT, MUP (4, 25)
PEN, NIT, RIF, ERY, GEN, TET, SXT, MUP (4, 25)
PEN (3, 18.7)
CC5ST5t002 (4, 100)IV (4, 100)tst (3, 75)PEN, TET, ERY, CLI, CIP, GEN (4, 100)B (1, 25), C (3, 75)4 (4.7)
ST225t045 (1, 100)II (1, 100)eta (1, 100)PEN, TET, ERY, CIP, GEN (1, 100)A (1, 100)1 (1.2)
CC22ST22t790 (8, 42.1), t032 (6, 31.6), t852 (5, 26.3)IV (19, 100)pvl (1, 5.3), tst (4, 21.1)PEN, NIT, RIF, ERY, GEN, TET, SXT, MUP (3, 15.8)A (4, 21), B (6, 31.6), C (9, 47.4)19 (22.4)
PEN, TET, ERY, CLI, CIP, GEN (11, 57.9)
PEN (5, 26.3)
CC45ST45t038 (4, 100)IV (4, 100)eta (2, 50)PEN, TET, ERY, CLI, CIP, GEN (4, 100)A (1, 25), B (3, 75)4 (4.7)
CC59ST59t437 (2, 100)IV (2, 100)eta (2, 100)PEN, TET, ERY, CLI, CIP, GEN (2, 100)B (1, 50), C (1, 50)2 (2.3)
CC30ST30t318 (4,)IV (4, 100)pvl (4, 100)PEN, NIT, CLI, ERY, RIF, CIP, TET, SXT, MUP (1, 25)A (2, 50), B (1, 25), C (1, 25)4 (4.7)
PEN, NIT, RIF, ERY, GEN, TET, SXT, MUP (1, 25)
PEN (2, 50)

ERY: erythromycin; PEN: penicillin; CIP: ciprofloxacin; TET, tetracycline; GEN: gentamicin; CLI: clindamycin; SXT: trimethoprim-sulfamethoxazole; MUP: mupirocin; RIF: rifampin; NIT: nitrofurantoin; SYN: quinupristin-dalfopristin; VAN: vancomycin.