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Table 3 Phenotypic and genotypic characteristics of 36 S. aureus isolates susceptible to vancomycin and resistant to teicoplanin (VSSA/TRSA)*

From: Characteristics of glycopeptide-resistant Staphylococcus aureus strains isolated from inpatients of three teaching hospitals in Warsaw, Poland

ST1 CC2 SCC mec type3 MICVAN4 (mg/L) MICTEI5 (mg/L) Presumable CLONE No. of strains Other resistance genes found (No. of strains) Year of isolation (No. of strains)
ST247 CC8 IA 1–2 4–8 IBERIAN 10 ermA (10),
ermC (2),
aacA-aphD (10), aadD (10)
1994(8),
2003(1),
2005(1)
ST241 CC8 III 1–2 4–16 FINLAND-UK 7 ermA (7),
linA(1),
aacA-aphD (7), aadD (4),
aph(3″)-IIIa (6)
2003(2),
2004(2),
2005(1),
2007(2)
ST239 CC8 III 2 4–8 BRASILIAN 5 ermA (5),
ermC (2),
aacA-aphD (5), aph(3″)-IIIa (4)
1991(1),
1994(4)
ST8 CC8 IV 1–2 4 UK EMRSA-2 4 ermA (1),
ermC (1),
aacA-aphD (1), aadD (2)
2004(1),
2005(3)
ST254 CC8 IV 2 4 HANNOVER 3 ermA (3),
aph(3″)-IIIa (3)
1994(2),
2005(1)
ST461 CC5 I 2 4 UD6 2 ND7 1991(2)
ST2326 CC5 NT 2 4 UD6 2 ermC (2),
aadD (2)
1991(2)
ST5 CC5 I 2 8 UK EMRSA-3 1 ND7 1991(1)
ST1 CC1 IV 2 4 UD6 1 ND7 2005(1)
ST2323 single IA 2 8 UD6 1 ermA (1),
aacA-aphD (1), aadD (1)
1994(1)
  1. Legend: *According to EUCAST, 2018; 1ST Sequence type; 2CC Clonal complex; 3SCCmec type Staphylococcal chromosome cassettes mec type; 4VAN Vancomycin; 5TEI Teicoplanin; 6UD Undefined; 7ND Not detected