Table 3.
Distribution of pectin-utilizing ability among cultured strains of human colonic anaerobes
| Phylum and species | No. of strains testeda | No. of pectin utilizers |
|---|---|---|
| Bacteroidetes | ||
| Bacteroides thetaiotaomicron | 22 | 22 |
| Bacteroides ovatus | 24 | 23 |
| Bacteroides vulgatus | 22 | 7 |
| Bacteroides fragilis | 53 | 17 |
| Other Bacteroides spp. | 67 | 19 |
| Actinobacteria | ||
| Bifidobacterium spp. | 41 | 0 |
| Collinsella (formerly Eubacterium) aerofaciens | 15 | 0 |
| Firmicutes | ||
| Eubacterium rectale + Roseburia spp. | 20; 10b | 0 |
| Eubacterium eligens | 5 | 3 |
| Eubacterium biforme | 5 | 0 |
| Ruminococcus obeum, R. torques, R. gnavus | 16 | 0 |
| Coprococcus spp. | 7 | 0 |
| Peptostreptococcus spp. | 8 | 0 |
| Lactobacillus spp. | 6 | 0 |
| Fusobacterium spp. | 10 | 0 |
| Faecalibacterium prausnitzii | 10b | 8b |
| Ruminococcus albus, R. bromii, R. callidus | 14 | 0 |
| Eubacterium siraeum | 2b | 0 |
| Other (unclassified) | 7 | 0 |