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Figure 3 | Veterinary Research

Figure 3

From: Population structure, genetic diversity and pathotypes of Streptococcus suis isolated during the last 13 years from diseased pigs in Switzerland

Figure 3

Population snapshot ofS. suisin Switzerland. Groups at triple locus variants (TLV) level were created by goeBURST v1.2 software using the phyloviz software [41] applying a data set from the PubMLST database (https://pubmlst.org/ssuis). Grey lines define a link at double locus variant (DLV) or triple locus variant (TLV) between the CCs following eBURST rules. Numbers in nodes represent sequence types (ST), whereas light green represents founder groups, blue shows common nodes and red indicates STs identified in Switzerland. Clonal complexes (CCs) identified are indicated in bold. Association of Swiss isolates between capsular types (cps), ST and its corresponding CCs is shown. Identified virulence markers namely extracellular protein factor (epf), muramidase-released protein (mrp), and suilysin (sly) are indicated, highlighting its correlation with according STs and CCs. Isolates harboring mrp + epf + sly + , mrp + (epf +)sly + , sly + , and mrp + are represented in pink, green, orange, and brown, respectively. Variants of mrp are indicated with mrpS (small variant) and mrp*** (large variant); variant of epf is marked as epf* (large variant). Isolates appearing as singletons or with no determined founder are not represented. CC1109 and CC1237 are shown separately with no connections to the main CCs due to the absence of relation at TLV level. Corresponding minimum core genome (MCG) groups are highlighted in yellow.

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