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Table 2 Classical VAGs epf, mrp, and sly genotypes identified in the pathotypes of S. suis isolates (n = 208)

From: Proposed virulence-associated genes of Streptococcus suis isolates from the United States serve as predictors of pathogenicity

Virulence-associated gene or genotype

No. possessing gene or genotype (%)

Pathogenic (n = 139)

Possibly Opportunistic

(n = 47)

Commensal (n = 22)

ST1 (n = 17)

ST25 (n = 2)

ST28 (n = 52)

epf

21 (10.1%)

20

1

0

 

mrp

165 (79.3%)

127

32

6

sly

99 (47.6%)

77

18

4

epf−/mrp+/sly-

73 (35.1%)

57

14

2

0

2

49

epf−/mrp+/sly+

71 (34.1%)

50

17

4

0

0

1

epf−/mrp−/sly-

36 (17.3%)

5

15

16

0

0

0

epf+/mrp+/sly+

21 (10.1%)

20

1

0

17

0

2

epf−/mrp−/sly+

7 (3.4%)

7

0

0

0

0

0

epf+/mrp+/sly-

0

0

0

0

0

0

0

epf+/mrp−/sly+

0

0

0

0

0

0

0

epf+/mrp−/sly-

0

0

0

0

0

0

0