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Table 1 Detection of mecA segments and SCCmec typing results of CoNS isolates

From: Extreme diversity and multiple SCCmec elements in coagulase-negative Staphylococcus found in the Clinic and Community in Beijing, China

Character of SCCmec

Source

Species

mecA PCR

mecA class

ccr type

SCCmec type

No. of isolate

Example isolate

Previously identified single SCCmec type

Clinic

S. homi

+

A

4

VIII

3

H80, H86

+

A

2

II

1

H59

S. epid

+

A

3

III

4

H8

+

B

2

IV

3

H67, H11

+

C2

5

V

2

H81

+

A

2

II

1

 

S. haem

+

C2

1

IX

1

 

S. capi

+

A

3

III

3

H4

+

C2

5

V

5

H7, H26, H54, H60, H85

 

Total number

23

 

Community

S. epid

+

A

2

II

6

 
 

Total number

6

 

New identified single SCCmec type

Clinic

S. homi

+

A

1

New

3

H29, H34

S. haem

+

C1

4

New

5

H2

+

C1

2

New

1

 
 

Total number

9

 

Community

S. haem

+

C1

2

New

1

CJ31-1

 

Total number

1

 

New type with a single mecA class and multi ccr complexes

Clinic

S. homi

+

A

1, 4

New

2

H1

+

A

1, 2

New

1

H73

+

A

2, 4

New

2

 

+

A

3, 4

New

1

HA1

+

A

1, 4, 5

New

2

H6

+

A

1, 3, 4, 5

New

1

 

S. epid

+

A

1, 3

New

5

H22

+

A

1, 3, 4

New

2

H21

+

A

3, 4, 5

New

1

H92

+

C2

4, 5

New

1

H76

+

C2

1, 2, 5

New

1

 

+

B

2, 4

New

3

H24, H77

S. haem

+

A

1, 2, 4

New

1

 

+

C2

2, 4

New

1

H28

+

C2

4, 5

New

1

H68

+

C2

1, 4

New

2

H15, H36

S. capit

+

A

3, 4

New

1

H23

+

A

1, 2, 4, 5

New

1

H37

+

A

1, 2, 3, 5

New

1

H83

+

A

1, 2, 3, 4, 5

New

1

H72

+

C2

2, 4, 5

New

1

H78

+

C2

1, 2, 4, 5

New

1

 
 

Total number

33

 

New type with a single mecA class and multi ccr complexes

Community

S. epid

+

A

2, 4

New

1

 

+

A

2, 4, 5

New

1

 

+

B

1, 2

New

3

 

+

B

2, 4

New

1

 
 

Total number

6

 

New type with multi SCCmec

Clinic

S. homi

+

A, C2

1, 4, 5

New

1

 

+

A, C2

1, 2, 4, 5

New

2

H33-2

+

A, C2

1, 2, 3, 4, 5

New

1

H62

S.epid

+

A, B

2, 4, 5

New

1

 

+

A, B

2, 3, 5

New

1

 

+

A, B

2, 3, 4, 5

New

1

H30

+

A, B

1, 2, 3, 4, 5

New

1

 

+

A, C2

1, 5

New

1

 

+

A, C2

2, 4, 5

New

1

H87

+

A, C2

1, 2, 3, 4, 5

New

1

H57

S. haem

+

A, B

1, 2, 3, 4

New

1

HA11

S.capit

+

A, C2

1, 2, 4, 5

New

1

H14

 

Total number

13

 

Community

S. homi

+

A, B

2

New

1

 

+

A, B

1

New

1

CV34

+

A, B

2, 4

New

1

C3-1

S. epid

+

A, B

1, 2

New

1

 

+

A, C2

2, 5

New

1

 
 

Total number

5

 

Isolates without mecA detected

Community

S. homi

−

−

2

N

2

C13-2

S. epid

−

−

2

N

15

C5-1, CJ29

−

−

1, 2

N

1

 

−

−

2, 5

N

2

 

−

−

5

N

2

CJ28-3

−

−

2, 4

N

1

CV33-1

−

−

–

N

5

 

S. haem

−

−

2, 4

N

1

 
 

Total number

29

 
  1. S. homi, S. hominis; S. epid, S. epidermidis; S. haem, S. haemolyticus; S.capit, S. capitis, −, mecA negative; N, not available