Table 2. Pairwise whole-genome SNP comparisons of Philadelphia clade L. pneumophila isolates.
| # of Pairwise SNP Differences | |||||||
|---|---|---|---|---|---|---|---|
| L. pneumophila strain | Philadelphia-1 (NCBI) | Philadelphia-1 (CDC) | Philadelphia-2* | Philadelphia-3 | Philadelphia-4* | Philadelphia-1 (ATCC)* | E1-P |
| Philadelphia-1 (NCBI) | X | 12,032 | 14,393 | 14,577 | 14,396 | 14,386 | 16,538 |
| Philadelphia-1 (CDC) | 12,032 | X | 3,545 | 3,715 | 3,536 | 3,526 | 5,743 |
| Philadelphia-2* | 52,283 | 41,435 | X | 214 | 33 | 23 | 2,236 |
| Philadelphia-3 | 14,577 | 3,715 | 38,104 | X | 205 | 195 | 2,410 |
| Philadelphia-4* | 52,286 | 41,426 | 33 | 38,095 | X | 14 | 2,231 |
| Philadelphia-1 (ATCC)* | 52,276 | 41,416 | 23 | 38,085 | 14 | X | 2,221 |
| E1-P | 16,538 | 5,743 | 40,126 | 2,410 | 40,121 | 40,111 | |
SNPs include insertions, deletions, and substitutions;
*, genomes contain pP36-Ph; Left/bottom diagonal half includes pP36-Ph where applicable; top/right diagonal half excludes pP36-Ph where applicable; Colors represent relative number of SNP differences, from maximum (red) to minimum (green)