Table 2. Characteristics of intragenomic heterogeneous 16S rRNA genes in clinical anaerobic strains.
| Microorganisms | No. of strains | No. of strains with SNPs in 16S rRNA | No. of SNPs in 16S rRNA | No. strains with an indel in 16S rRNA |
|---|---|---|---|---|
| Prevotella genus | 89 | 67 | 1–18 | 0–7 |
| Prevotella intermedia | 29 | 22 | 1–12 | 0 |
| Prevotella nigrescens | 11 | 6 | 1–4 | 7 |
| Prevotella melaninogenica | 9 | 6 | 2–11 | 0 |
| Prevotella dentalis | 9 | 6 | 1–2 | 0 |
| Prevotella denticola | 9 | 8 | 4–12 | 0 |
| Prevotella buccae | 7 | 7 | 2–9 | 0 |
| Alloprevotella rava a | 3 | 3 | 11–18 | 0 |
| Prevotella oris | 2 | 2 | 6–11 | 0 |
| Prevotella pallens | 2 | 2 | 6–7 | 0 |
| Candidatus Prevotella conceptionensis | 2 | 2 | 11–12 | 0 |
| Prevotella salivae | 1 | 0 | - | 0 |
| Prevotella fusca | 1 | 0 | - | 0 |
| Prevotella histicola | 1 | 1 | 2 | 0 |
| Prevotella oulorum | 1 | 1 | 7 | 0 |
| Prevotella veroralis | 1 | 0 | - | 0 |
| Prevotella multiformis | 1 | 1 | 8 | 0 |
| Veillonella genus | 19 | 19 | 2–14 | 0–6 |
| Veillonella parvula/dispar | 15 | 15 | 3–14 | 6 |
| Veillonella sp. | 2 | 2 | 2–7 | 0 |
| Veillonella vegosae | 2 | 2 | 7–9 | 0 |
| Other genera | 30 | 14 | 1–11 | 0 |
| Fusobacterium nucleatum | 8 | 3 | 2–4 | 0 |
| Fusobacterium canifelinum | 4 | 3 | 2–3 | 0 |
| Bacteroides sp. | 3 | 2 | 2–8 | 0 |
| Actinomyces sp. | 3 | 0 | - | 0 |
| Campylobacter sp. | 2 | 0 | - | 0 |
| Dialister sp. | 2 | 1 | 1–2 | 0 |
| Peptostreptococcus sp. | 2 | 2 | 3 | 0 |
| Atopobium sp. | 1 | 0 | - | 0 |
| Bacillus sp. | 1 | 1 | 1 | 0 |
| Lachnoanaerobaculum sp. | 1 | 1 | 11 | 0 |
| Pseudoramibacter sp. | 1 | 0 | - | 0 |
| Shuttleworthia sp. | 1 | 0 | - | 0 |
| Selenomonas sp. | 1 | 1 | 2 | 0 |
| Total | 138 | 100 | 13 |
a Alloprevotella rava was previously classified as Prevotella oral taxon 302. Although it has been separated from the genus Prevotella, this strain was analysed together with the other Prevotella spp. in this study.