Table 2

Distribution of tet(M), tet(O), tet(S), tet(K) and erm(B) determinants in E. faecium isolates from pig feces (n = 60), German cockroach feces (n = 29) and house fly digestive tracts (n = 36).

Combination of determinants

Number (%) of isolates

Correlation with phenotype (%)


Pig feces

Cockroach feces

House Flies

Pig feces

Cockroach feces

House Flies


tet(M) only

29 (48.3)

16 (55.2)

13 (36.1)

100

100

87.5

tet(O) only

5 (8.3)

0

0

100

-

-

tet(S) only

2 (3.3)

2 (6.9)

8 (22.2)

100

100

100

erm(B) only

2 (3.3)

0

0

100

-

-

tet(M) + erm(B)

15 (25.0)

2 (6.9)

5 (13.9)

100/89.7

100/50

80.0/60.0

tet(S) + erm(B)

1 (1.7)

1 (3.4)

1 (2.8)

100/100

100/100

100/100

tet(O) + erm(B)

0

1 (3.4)

1 (2.8)

100/100

100/100

tet(M) + tet(O) + tet(S) + erm(B)

1 (1.7)

0

1 (2.8)

100/100

-

100/100


Isolates with no detected tet and erm(B) determinants

6 (10.0)

7 (24.1)

8 (22.2)

66.6/66.6

0.0/50.0

25.0/37.5


Ahmad et al. BMC Microbiology 2011 11:23   doi:10.1186/1471-2180-11-23

Open Data