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Table 1 Characteristics of 50 S. aureus isolates collected from fattening pigs at slaughter in Finland

From: New dominant spa type t2741 in livestock-associated MRSA (CC398-MRSA-V) in Finnish fattening pigs at slaughter

CC spa typing SCCmec Herd Resistance phenotypea Resistance genesb lnuB sec fnbB agr cap
CC1 (n = 4) t127 (n = 1) V H2 PEN, OXA, FOX, TET, CLI, ERY mecA, blaZ/I/R, tetK, ermB, - seh + agrIII cap8
  t1381 (n = 3) V H2 PEN, OXA, FOX, TET, CLI, ERY mecA, blaZ/I/R, tetK, ermB - seh + agrIII cap8
CC398 (n = 46) t011 (n = 1) V H18 PEN, OXA, FOX, TET, CLI, ERY mecA, blaZ/I/R, tetK/M, ermB + - - agrI cap5
  t034 (n = 7) V H1, H7, H12, H18 n = 6: PEN, OXA, FOX, TET, CLI mecA, blaZ/I/R, tetK/M + - + agrI cap5
    H10 n = 1: PEN, OXA, FOX, TET, CLI, CIP mecA, blaZ/I/R, tetK/M, aadD + - + agrI cap5
  t108 (n = 5) V H3, H16 PEN, OXA, FOX, TET mecA, blaZ/I/R, tetK/M - - + agrI cap5
  t2741 (n = 33) V H1, H5, H6, H7, H8, H9, H11, H13, H14, H17, H18 n = 19: PEN, OXA, FOX, TET, CLI, ERY mecA, blaZ/I/R, tetK/M, ermB + - - agrI cap5
    H1, H4, H10, H15 n = 12: PEN, OXA, FOX, TET, CLI mecA, blaZ/I/R, tetK/M + - - agrI cap5
    H9 n = 1: PEN, OXA, FOX, TET, CLI, ERY, CIP mecA, blaZ/I/R, tetK/M, ermB + - - agrI cap5
    H17 n = 1: PEN, OXA, FOX, TET, CLI, ERY mecA, blaZ/I/R, tetK/M, ermB + - - - cap5
  1. aPEN: penicillin, OXA: oxacillin, FOX: cefoxitin, TET: tetracycline, CLI: clindamycin, ERY: erythromycin; CIP: ciprofloxacin
  2. bSelected resistance genes detected by DNA microarray (mecA, blaZ/I/R, ermB, tetK/M, aadD) or PCR (lnuB)
  3. c se: genes encoding staphylococcal enterotoxins