Table 1 Frequency of strong biofilm production among strains with distinct pilus island (PI) alleles and PI-1
From: Association between genotypic diversity and biofilm production in group B Streptococcus
Pilus island allele (a) | Total number of strains | Strong biofilm (%), n | Clonal complexes represented (n) | PI-1 presence (%) |
|---|---|---|---|---|
PI-2a, a1 | 89 | 21.4 (n = 19) | 19 (n = 87), 1 (n = 1), 12 (n = 1) | 98.9 |
PI-2a, a2 | 16 | 87.5 (n = 14) | 23 (n = 8), 1 (n = 7), S (n = 1) | 93.8 |
PI-2a, a3 | 5 | 100.0 (n = 5) | 12 (n = 3), 1 (n = 1), 7 (n = 1) | 60.0 |
PI-2a, a4 | 6 | 83.3 (n = 5) | S (n = 5), 1 (n = 1) | 66.7 |
PI-2a, a5 | 21 | 90.5 (n = 19) | 23 (n = 17), S (n = 2), 19 (n = 1), 7 (n = 1) | 14.3 |
PI-2a, a6 | 31 | 77.4 (n = 24) | 1 (n = 17), 12 (n = 9), 23 (n = 4), S (n = 1) | 93.6 |
PI-2b, a1 | 11 | 72.7 (n = 8) | 1 (n = 8), 7 (n = 2), S (n = 1) | 100.0 |
PI-2b, a2 | 69 | 21.7 (n = 16) | 17 (n = 69) | 100.0 |
PI-2b, a3 | 45 | 86.7 (n = 39) | 61 (n = 20), 67 (n = 12), S (n = 11), 1 (n = 1), 17 (n = 1) | 2.2 |