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Table 4 The relationship of molecular characterization, antimicrobial resistance, and the main virulence factor profiles of 62 MRSA isolates

From: Molecular epidemiology and characteristic of virulence gene of community-acquired and hospital-acquired methicillin-resistant Staphylococcus aureus isolates in Sun Yat-sen Memorial hospital, Guangzhou, Southern China

PFGE profile

SCCmec(n)

ST (n)

CA-MRSA (n)

HA-MRSA (n)

The main virulence factor profiles

Resistance profile

A(33)

I(2)

ST8(1)

0

1

sea, PVL, hla,hlb,hlg

CIP/CN/E/TET

ST239(1)

0

1

III(30)

ST239(29)

7

22

ST1 (1)

0

1

V(1)

ST5(1)

0

1

B(12)

III (11)

ST239(9)

2

7

sea,seg, hla,hlb,hlg

CIP/CN/E/TET/RD

ST537(1)

0

1

ST1(1)

1

0

IVa(1)

7(1)

1

0

C (8)

I(1)

ST59(1)

1

0

sea,seb,seg,PVL, hla,hlb,hlg

E/TET

III(1)

ST59(1)

1

0

IVa(3)

ST59(3)

2

1

IVd(3)

ST59(1)

3

0

ST239(1)

ST338(1)

D (2)

III(1)

ST950(1)

1

0

seg,sei,sem ~ o,PVL, hla,hlb,hlg

E

II(1)

ST239(1)

0

1

E (2)

III(2)

ST10(1)

1

0

sea(seb),sec,seg(sei),sem ~ o,PVL,hla,hlb,hlg

E

ST3073(1)

0

1

F (1)

I(1)

ST45(1)

1

0

sec,seg,sei,PVL,hla,hlb,hlg

E/TET

G (1)

III(1)

NT(1)

0

1

hla,hlb,hlg

E/TET/RD

H (1)

IVa(1)

ST59(1)

1

0

seb,PVL, hla,hlb,hlg

E/TET

  1. PFGE pulsed-field gel electrophoresis, SCCmec staphylococcal cassette chromosome mec, ST sequence type, Sea ~ see, seg ~ sej, sem ~ seo, gene encoding staphylococcal enterotoxins; eta and etb, gene encoding exfoliative toxin A and B; hla ~ hlg, gene encodingα-hemolysin ~ γ-hemolysin; tsst-1, gene encoding toxic shock syndrome toxin 1; PVL Panton-Valentine leukocidin, CIP ciprofloxacin, CN gentamicin, E erythromycin, TET tetracycline, RD rifampicin, NT non-typable