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Table 2 Pathogenicity islands in completed genomes of S. aureus

From: Subtle genetic changes enhance virulence of methicillin resistant and sensitive Staphylococcus aureus

ISLAND VIRULENCE GENE PRODUCTS USA300 MRSA Newman NCTC 8325 COL MW2 MSSA 476 N315 Mu50 JH1 JH9 RF122 MRSA 252
SaPI1 TSST, SEK, SEL, Ear - - - - - - - - - - - -
SaPI2 TSST, exfoliatin - - - - - - - - - - - -
SaPI3 SEB, SEK, SEQ, Ear - - - + - - - - - - - -
SaPI4 None - - - - - - - + - - - +
SaPI5 SEK, SEQ, Ear + - - - + - - - - - - -
SaPIbov1 TSST, SEK, SEL - - - - - - - - - - + -
SaPIbov2 Bap adhesin - - - - - - - - - - - -
SaPIm4 ferrichrome transporter + + + + - - + + + + + -
SaPImw2 Ear, SEC4, SEL2 - - - - + - - - - - - -
SaPIn1/m1 TSST, SEL, SEC3 - - - - - - + + - - - -
SaPI122 multidrug exporter - - - - - - - - - - + -
SaPI6Δ None + + + + + + - - - - - -
νSaα SET exotoxins, lipoproteins + + + + + + + + + + + +
νSaβ serine proteases, leukotoxin D & E, enterotoxins, epidermin +a +a +a +a +a +a, b +c +c +c +c + +b
νSaγ SET exotoxins, exfoliatin, alpha-hemolysin + + + + + + + + + + + +
  1. aNo enterotoxin genes
  2. bNo leukotoxin genes
  3. cNo epidermin genes