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Table 3 Molecular characterization of the MRSA strains isolated from the feces and nasal swabs

From: Intestinal carriage of methicillin-resistant Staphylococcus aureus in nasal MRSA carriers hospitalized in the neonatal intensive care unit

Strainsa

MLST

spa types

SCCmec types

Exotoxin genes

Isolated atb

 

ST

CC

  

tst

eta

etb

lukS, F-PV

 

Af

8

8

1499

IVl

+

-

-

-

J

An

NT

NT

1499

IVl

+

-

-

-

 

Bf

8

8

606

IVl

+

-

-

-

J

Bn

NT

NT

606

IVl

+

-

-

-

 

Cf

764

5

2

IIa

-

-

-

-

J c

Cn

NT

NT

2

IIa

-

-

-

-

 

Df

764

5

2

IIa

-

-

-

-

J c

Dn

NT

NT

2

IIa

-

-

-

-

 

Ef

8

8

606

IVl

+

-

-

-

J

En

NT

NT

606

IVl

+

-

-

-

 

Ff

2763

1

1500

IVa

-

-

-

-

S

Fn

NT

NT

1500

IVa

-

-

-

-

 

Gf

2764

1

855

IVa

-

-

-

-

S

Gn

NT

NT

855

IVa

-

-

-

-

 

Hf

2764

1

855

IVa

-

-

-

-

S

Hn

NT

NT

855

IVa

-

-

-

-

 

If

1

1

855

IVa

-

-

-

-

S

In

NT

NT

855

IVa

-

-

-

-

 

Jf

8

8

606

IVl

+

-

-

-

J

Jn

NT

NT

606

IVl

+

-

-

-

 

Kf

2763

1

855

IVa

-

-

-

-

S

Kn

NT

NT

855

IVa

-

-

-

-

 

Lf

8

8

59

IVb

-

-

-

-

J

Ln

NT

NT

59

IVb

-

-

-

-

 

Mf

2763

1

855

IVa

-

-

-

-

S

Mn

NT

NT

855

IVa

-

-

-

-

 

Nf

2763

1

855

IVa

-

-

-

-

S

Nn

NT

NT

855

IVa

-

-

-

-

 

Of

8

8

606

IVl

+

-

-

-

J

On

NT

NT

606

IVl

+

-

-

-

 

Pf

8

8

606

IVl

+

-

-

-

J

Pn

NT

NT

606

IVl

+

-

-

-

 

Qf

8

8

606

IVl

+

-

-

-

J

Qn

NT

NT

606

IVl

+

-

-

-

 

Rf

8

8

606

IVl

+

-

-

-

J

Rn

NT

NT

606

IVl

+

-

-

-

 

Sf

5

5

2

IIa

+

-

-

-

J c

Sn

NT

NT

2

IIa

+

-

-

-

 

Tf

8

8

606

IVl

+

-

-

-

J

Tn

NT

NT

606

IVl

+

-

-

-

 

Uf

8

8

606

IVl

+

-

-

-

J

Un

NT

NT

606

IVl

+

-

-

-

 
  1. Abbreviations: f feces, n nasal swabs, NT not tested.
  2. aStrains isolated from feces and nasal swabs of patients A-U.
  3. bStrains isolated at two hospitals: Juntendo University Hospital (J) and Juntendo University Shizuoka Hospital (S).
  4. cPatients C, D and S had already been colonized with MRSA before being transferred to hospital J from previous facilities.