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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