Table 1. Genetic analysis of strain H63T compared with its nearest neighbours based on 16S rRNA gene sequences.
| Strain | Source | Reference | 16S rRNA gene sequence similarity (%) to strain H63T | DNA–DNA hybridization (%)* with H63T DNA as: | DNA G+C content (mol%) | |
| Probe | Covalent DNA | |||||
| L. cardiaca sp. nov. H63T | Clinical | Pearce et al. (2011) | (100) | (100) | (100) | 41.8 |
| L. brunensis ATCC 43878T | Environmental | Wilkinson et al. (1988) | 98.8 | 17.3±5.8 | 20.3±7.2 | 40.5 |
| L. londiniensis ATCC 49505T | Environmental | Dennis et al. (1993) | 97.0 | 5.7±2.4 | 2.4±1.1 | 43.0 |
| L. jordanis ATCC 33623T | Environmental | Cherry et al. (1982) | 96.8 | 15.7±1.8 | 4.5±3.0 | 45.0 |
| L. erythra ATCC 35303T | Environmental | Brenner et al. (1985) | 96.2 | 4.3±0.6 | 7.5±6.6 | 51.0 |
| L. dresdenensis NCTC 13409T | Environmental | Lück et al. (2010) | 96.0 | 5.0±0.4 | 8.7±2.6 | 42.5 |
| L. rubrilucens ATCC 35304T | Environmental | Brenner et al. (1985) | 95.7 | 6.2±2.6 | 9.3±4.7 | 52.0 |
| L. feeleii ATCC 35072T | Environmental | Herwaldt et al. (1984) | 95.7 | 3.7±2.2 | 6.4±2.8 | 46.0 |
| L. pneumophila ATCC 33152T | Clinical | Brenner et al. (1979) | 95.7 | 5.3±2.3 | 15.1±5.7 | 39.0 |
| L. birminghamensis ATCC 43702T | Clinical | Wilkinson et al. (1987) | 95.7 | 6.3±2.0 | 4.5±2.6 | 42.9 |
*
Means±sd of at least triplicate hybridization experiments are shown.