TABLE 1.
Summary of nucleotide sequence variation for the SIG and for the S. pseudintermedius, S. delphini, and S. intermedius phylotypes
| Gene locus | Group | No. of strains | Total length of sequence (bp) | No. of variable sites (%) | No. of singleton variable sites (%) | No. of allelesa |
|---|---|---|---|---|---|---|
| 16S rRNA | SIG | 104 | 366 | 5 (1.37) | 2 (0.55) | 7 |
| S. pseudintermedius. | 89 | 2 (0.55) | 1 (0.27) | 3 | ||
| S. delphini | 11 | 3 (0.82) | 1 (0.27) | 5 | ||
| S. intermedius | 4 | 1 (0.27) | 0 (0.00) | 1 | ||
| tuf | SIG | 104 | 417 | 10 (2.40) | 4 (0.96) | 9 |
| S. pseudintermedius | 89 | 3 (0.72) | 2 (0.48) | 4 | ||
| S. delphini | 11 | 3 (0.72) | 2 (0.48) | 4 | ||
| S. intermedius | 4 | 1 (0.24) | 1 (0.24) | 2 | ||
| cpn60 | SIG | 104 | 431 | 55 (12.76) | 9 (2.10) | 28 |
| S. pseudintermedius | 89 | 14 (3.25) | 3 (0.70) | 20 | ||
| S. delphini | 11 | 19 (4.41) | 8 (1.86) | 7 | ||
| S. intermedius | 4 | 0 (0.00) | 0 (0.00) | 1 | ||
| pta | SIG | 104 | 492 | 54 (10.98) | 11 (2.24) | 18 |
| S. pseudintermedius | 89 | 12 (2.44) | 6 (1.22) | 10 | ||
| S. delphini | 11 | 8 (1.63) | 7 (1.42) | 6 | ||
| S. intermedius | 4 | 4 (0.81) | 4 (0.81) | 2 | ||
| agrD | SIG | 104 | 138 | 18 (13.04) | 4 (2.90) | 9 |
| S. pseudintermedius | 89 | 6 (4.35) | 0 (0.00) | 4 | ||
| S. delphini | 11 | 11 (7.97) | 5 (3.62) | 5 | ||
| S. intermedius | 4 | 0 (0.00) | 0 (0.00) | 1 |
a
One 16S rRNA allele is shared by S. pseudintermedius and S. delphini and one by S. delphini and S. intermedius. S. pseudintermedius and S. delphini share one allele for the tuf gene and one for agrD.