Table 1.
Levels of DNA relatedness between Streptococcus pseudoporcinus human isolates, S. pseudoporcinus dairy isolates, Streptococcus porcinus, and other selected species of Streptococcus
| Strain source of unlabeled DNA | Result with labeled DNA froma: |
||||||||
|---|---|---|---|---|---|---|---|---|---|
|
S. pseudoporcinus ATCC BAA-1381T (human isolate) |
S. pseudoporcinus ATCC 12391 (SS-662) (dairy isolate) |
S. porcinus ATCC 43138T |
|||||||
| RBR at 55°C | % D | RBR at 70°C | RBR at 55°C | % D | RBR at 70°C | RBR at 55°C | % D | RBR at 70°C | |
| S. porcinus/S. pseudoporcinus reference strains | |||||||||
| S. pseudoporcinus ATCC BAA-1381T (SS-1796) | 100 | 0.0 | 100 | 79 | 2.0 | 79 | 60 | 5.0 | 33 |
| S. pseudoporcinus dairy ATCC 12391T (SS-662) | 90 | 2.0 | 70 | 100 | 0.0 | 100 | 58 | 6.0 | 18 |
| S. porcinus ATCC 43138T (SS-1029) | 58 | 7.0 | 20 | 48 | 9.0 | 25 | 100 | 0.0 | 100 |
| S. porcinus/S. pseudoporcinus test strainsb | |||||||||
| S. pseudoporcinus human isolates (11 strains) | 83–100 | 0.0–1.5 | 71–100 | NP | NP | NP | NP | NP | NP |
| S. pseudoporcinus dairy isolates (5 strains) | NP | NP | NP | 90–100 | 0.0–0.5 | 85–100 | NP | NP | NP |
| S. porcinus animal isolates (6 strains) | NP | NP | NP | NP | NP | NP | 83–100 | 0.5–4.5 | 83–92 |
| S. porcinus human isolate (1 strain) | NP | NP | NP | NP | NP | NP | 97 | 1.5 | 92 |
| Reference strains of other species | |||||||||
| S. iniae ATCC 29178T | 20 | NP | NP | 19 | NP | NP | 19 | NP | NP |
| S. uberis ATCC 19436T | 17 | NP | NP | 17 | NP | NP | 16 | NP | NP |
| S. cristatus ATCC 51100T | 24 | NP | NP | 24 | NP | NP | 23 | NP | NP |
| S. halichoeri CCUG 48342T | 3 | NP | NP | 4 | NP | NP | 6 | NP | NP |
| S. didelphis ATCC 700828T | 19 | NP | NP | 20 | NP | NP | 20 | NP | NP |
| S. agalactiae ATCC 13813T | 17 | NP | NP | 18 | NP | NP | 19 | NP | NP |
| S. pyogenes ATCC 12344T | 18 | NP | NP | 18 | NP | NP | 19 | NP | NP |
| S. dysgalactiae subsp. dysgalactiae ATCC 43078T | 19 | NP | NP | 20 | NP | NP | 20 | NP | NP |
| S. dysgalactiae subsp. equisimilis CCUG 36637 | 21 | NP | NP | 21 | NP | NP | 20 | NP | NP |
| S. equi subsp. equi ATCC 33398T | 17 | NP | NP | 18 | NP | NP | 20 | NP | NP |
| S. equi subsp. zooepidemicus ATCC 43079T | 18 | NP | NP | 18 | NP | NP | 19 | NP | NP |
| S. equi subsp. ruminatorum CCUG 47520T | 10 | NP | NP | 11 | NP | NP | 11 | NP | NP |
| S. canis ATCC 43496T | 21 | NP | NP | 23 | NP | NP | 21 | NP | NP |
| S. anginosus ATCC 33397T | 11 | NP | NP | 10 | NP | NP | 11 | NP | NP |
| S. phocae ATCC 51973T | 8 | NP | NP | 9 | NP | NP | 8 | NP | NP |
a
RBR, relative binding ratio; % D, percent divergence, calculated to the nearest 0.5%; NP, not performed.
b
Numbers represent average values of the results obtained for the number of strains indicated in parentheses for each species or category.