Table 4.
Similarity in percent of the DNA-DNA hybridizations of Bifidobacterium RBL67, B. thermacidophilum subsp. porcinum LMG21689T and B. thermophilum DSM2010T with closely related strains
| Bifidobacterium sp. RBL67 | B. thermacidophilum subsp. porcinum LMG21689T | B. thermophilum DSM20210T | |
| Bifidobacterium sp. RBL67 | 100% | n.d. | n.d. |
| B. thermacidophilum subsp. thermacidophilum LMG21395T | 78% | 72% | 71% |
| B. thermacidophilum subsp. porcinum LMG21689T | 77% | 100% | 82% |
| B. thermophilum DSM20210T | 86% | n. d. | 100% |
| B. boum DSM20432T | 48% | n. d. | n. d. |
n. d.: not determined