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Table 1 Distribution of tet(M), tet(O), tet(S), tet(K) and erm(B) determinants in E. faecalis isolates from pig feces (n = 73), German cockroach feces (n = 76) and house fly digestive tracts (n = 170)

From: Insects in confined swine operations carry a large antibiotic resistant and potentially virulent enterococcal community

Combination of determinants

Number (%) of isolates

Correlation with phenotype (%)

 

Pig feces

Cockroach feces

House Flies

Pig feces

Cockroach feces

House Flies

tet(M) only

21 (28.8)

35 (46.1)

39 (22.9)

90.5

97.4

94.3

tet(O) only

-

-

1 (0.6)

-

-

66.6

tet(K) only

-

-

8 (4.7)

-

-

100

tet(S) only

-

-

1 (0.6)

-

-

100

erm(B) only

3 (4.1)

2 (2.6)

11 (6.5)

100

50.0

92.3

tet(M) + erm(B)

24 (32.9)

33 (43.4)

66 (38.8)

100/87.5

100/90.0

100/98.4

tet(O) + erm(B)

-

-

3 (1.8)

-

-

100/100

tet(S) + erm(B)

-

-

1 (0.6)

-

-

100/100

tet(K) + erm(B)

1 (1.4)

-

-

100/100

-

-

tet(M) + tet(O)

-

1 (1.3)

3 (1.8)

-

100

100

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

-

1 (1.3)

7 (4.1)

-

100/100

100/100

tet(M) + tet(K) + erm(B)

21 (28.8)

-

8 (4.7)

100/95.2

-

100/87.5

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

-

1 (1.3)

2 (1.2)

-

100/100

100/100

Isolates with no detected tet and erm(B) determinants

3 (4.1)

3 (3.9)

20 (11.8)

100/100

33.3/66.6

70.0/80.0