TABLE 3.
Average gene length and G+C content of oral treponeme 16S rRNA, flaA, pyrH, and recA genes analyzed
| Species (no. of strains) and parameter | Mean gene length and G+C content |
|||
|---|---|---|---|---|
| 16S rRNA | flaA | recA | pyrH | |
| T. vincentii (11) | ||||
| Mean gene length in bp (range) | 1,502 (1,502) | 1,062 (1,062) | 1,326 (1,326) | 687 (687) |
| Mean gene G+C content (%) ± SD | 51.9 ± 0.03 | 45.4 ± 0.07 | 50.5 ± 0.10 | 47.5 ± 0.76 |
| T. medium (1) | ||||
| Mean gene length in bp (range) | 1,502 (1,502) | 1,068 (1,068) | 1,362 (1,362) | 687 (687) |
| Mean gene G+C content (%) ± SD | 52.3 | 45.3 | 50.8 | 45.0 |
| T. sinensis (4) | ||||
| Mean gene length in bp (range) | 1,502 (1,502) | 1,059 (1,059) | 1,338 (1,338) | 687 (687) |
| Mean gene G+C content (%) ± SD | 52.5 ± 0.00 | 44.7 ± 0.13 | 50.7 ± 0.19 | 46.3 ± 0.14 |
| Treponema sp. IB (3) | ||||
| Mean gene length in bp (range) | 1,502 (1,502) | 1,068 (1,068) | 1,362 (1,359−1,368) | 687 (687) |
| Mean gene G+C content (%) ± SD | 52.4 ± 0.15 | 46.5 ± 0.12 | 51.3 ± 0.17 | 46.7 ± 0 |
| Treponema sp. IC (4) | ||||
| Mean gene length in bp (range) | 1,502 (1,502) | 1,064 (1,062−1,065) | 1,348 (1,347−1,350) | 687 (687) |
| Mean gene G+C content (%) ± SD | 52.3 ± 0.00 | 45.4 ± 0.13 | 50.6 ± 0.17 | 46.0 ± 0.25 |
| T. denticola (41) | ||||
| Mean gene length in bp (range) | 1,497 (1,497) | 1,050 (1,050) | 1,245 (1,245) | 696 (696) |
| Mean gene G+C content (%) ± SD | 52.4 ± 0.09 | 40.6 ± 0.40 | 45.6 ± 0.44 | 41.8 ± 0.38 |
| T. putidum (7) | ||||
| Mean gene length in bp (range) | 1,496 (1,496) | 1,050 (1,050) | 1,245 (1,245) | 696 (696) |
| Mean gene G+C content (%) ± SD | 52.3 ± 0.18 | 39.8 ± 0.05 | 45.0 ± 0.61 | 40.1 ± 0.04 |