Table 1.
Sequence Types, Clonal Complexes, Serotypes, Antibiotic Susceptibility Markers, and Surface Protein Genes of Group B Streptococcus Isolates as Determined by Whole-Genome Sequencing
| Strain | ST | CC | Serotype | MLS Resistance | Tetracycline Resistance | PBP2x Mutations | Alp | Pilus | Srr1/2 | HvgA |
|---|---|---|---|---|---|---|---|---|---|---|
| AR1515 | 24 | CC452 | V | … | tetM | T175A; I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1516 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1517 | 144 | CC23 | Ia | … | tetM | I377V; V510I | Rib | PI-1; PI-2a | Srr1 | - |
| AR1518 | 109 | CC17 | III | … | tetM | I377V; G398A; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1519 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1521 | 1 | CC1 | V | ermTR | … | … | Alp2/3; AlpST-1 | PI-1; PI-2a | Srr1 | … |
| AR1522 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1523 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1525 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1526 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1527 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1528 | 28 | CC19 | II | … | tetM | … | Rib | PI-1; PI-2a | … | … |
| AR1529 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1531 | 10 | CC12 | IV | … | tetM | … | Alpha | PI-1; PI-2b | Srr2 | … |
| AR1534 | 2126 | No CC | Ib | … | tetM | … | Alpha | PI-1; PI-2a | Srr1 | … |
| AR1535 | 8 | CC12 | Ib | … | tetM | … | Alpha | PI-1; PI-2a | Srr1 | … |
| AR1537 | 2140 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1538 | 24 | CC452 | V | … | tetM | V510I | Alpha | PI-2a | Srr1 | … |
| AR1539 | 1 | CC1 | V | ermTR | tetM | … | Alp2/3; AlpST-1 | PI-1; PI-2a | Srr1 | … |
| AR1540 | 24 | CC452 | V | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1541 | 24 | CC452 | V | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1542 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1543 | 24 | CC452 | Ia | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1544 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1545 | 144 | CC23 | Ia | … | tetM | I377V; V510I | Rib | PI-2a | Srr1 | … |
| AR1553 | 24 | CC452 | Ia | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1555 | 223 | CC23 | V | … | … | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1558 | 23 | CC23 | Ia | … | tetM | I377V; V510I | Alp1 | PI-2a | Srr1 | … |
| AR1560 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1561 | 24 | CC452 | Ia | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1563 | 2145 | No CC | Ia | … | tetM | I377V; V510I | Alpha | PI-2a | Srr1 | … |
| AR1723 | 23 | CC23 | Ia | … | tetM | I377V; V510I | Alp1 | PI-2a | Srr1 | … |
| AR1724 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1753 | 223 | CC23 | V | … | tetM | I377V; G627V | Rib | PI-2a | Srr1 | … |
| AR1754 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR1755 | 1 | CC1 | V | ermTR | tetM | … | Alp2/3; AlpST-1 | PI-1; PI-2a | Srr1 | … |
| AR1765 | 23 | CC23 | Ia | … | tetM | I377V; V510I | Alp1 | PI-2a | Srr1 | … |
| AR1771 | 144 | CC23 | Ia | … | tetM | I377V; V510I | Rib | PI-2a | Srr1 | … |
| AR2184 | 17 | CC17 | III | … | tetM | I377V; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
| AR2189 | 1 | CC1 | V | ermTR | tetM | … | Alp2/3; AlpST-1 | PI-1; PI-2a | Srr1 | - |
| AR2287 | 109 | CC17 | III | … | tetM | I377V; G398A; G627V | Rib | PI-1; PI-2b | Srr2 | HvgA |
Abbreviations: Alp, Alpha-like protein; CC, clonal complex; HvgA, hypervirulent group B Streptococcus adhesin; MLS, macrolide-lincosamide-streptogramin; PBP, penicillin-binding protein; Srr, serine-rich repeat protein.; ST, sequence type.