TABLE 4.
Distribution of Bifidobacterium species in the intestinal flora of human adults
| Subjectb | Log10 bifidobacteria/g of feces, measured by reaction with genus- or species-specific primera:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| g-Bifid | BiADOg | BiANG | BiBIF | BiBRE | BiCATg | BiLON | BiINF | BiDEN | |
| A | 10.0 | 10.0 | — | — | 7.9 | 9.0 | 7.4 | — | — |
| B | 10.3 | 10.1 | — | — | — | 8.7 | 9.4 | — | — |
| C | 10.6 | 10.6 | — | 9.1 | 8.4 | 9.6 | 9.4 | — | — |
| D | 10.4 | 10.3 | 6.9 | — | — | 9.3 | 8.1 | — | — |
| E | 9.3 | 8.8 | 6.5 | — | — | 8.8 | 8.4 | — | — |
| F | 6.9 | — | — | — | — | — | 7.0 | — | — |
| Y-1 | 9.6 | — | — | — | — | 9.6 | 8.7 | — | — |
| Y-2 | 10.1 | 9.9 | — | 8.6 | 6.7 | 9.5 | 8.7 | — | — |
| Y-3 | 9.2 | 8.7 | 6.7 | 7.7 | — | 8.7 | 7.3 | — | — |
| Y-4 | 8.2 | 7.6 | — | — | — | 7.8 | 7.0 | — | — |
| Y-5 | 8.4 | 8.2 | — | — | — | 7.8 | 7.2 | — | — |
| Y-6 | 9.5 | 9.3 | — | — | — | 9.0 | 8.7 | — | 7.4 |
| Y-7 | 9.1 | 7.6 | — | — | — | 9.0 | 8.4 | — | — |
| Y-8 | 9.6 | 8.8 | — | — | 6.7 | 8.9 | 8.3 | — | — |
| Y-9 | 9.4 | 9.2 | — | 7.8 | 7.5 | — | 8.1 | — | — |
| Y-10 | 9.6 | 9.4 | — | 7.5 | — | 9.0 | 8.2 | — | 7.5 |
| Y-11 | 10.2 | 9.9 | — | 9.4 | — | 10.0 | 8.4 | — | — |
| Y-12 | 9.4 | 8.4 | — | — | — | 9.2 | 7.9 | — | — |
| Y-13 | 10.0 | 9.8 | — | — | — | 9.6 | 8.3 | — | — |
| Y-14 | 10.1 | 10.1 | — | 9.0 | — | 8.8 | 8.9 | — | — |
| Y-15 | 8.9 | 8.0 | — | — | — | 8.6 | 6.4 | — | — |
| Y-16 | 8.4 | 7.7 | — | — | — | — | 8.1 | — | — |
| Y-17 | 9.0 | 8.7 | — | — | — | 7.4 | 7.6 | — | — |
| Y-18 | 9.7 | 9.7 | — | — | — | 8.2 | 8.3 | — | — |
| Y-19 | 9.6 | 9.2 | — | 8.9 | 6.4 | 8.9 | 8.7 | — | 6.5 |
| Y-20 | 9.3 | 7.6 | — | 8.1 | — | 9.3 | 7.8 | — | — |
| Y-21 | 9.3 | 9.0 | — | 7.2 | — | 8.7 | 8.4 | — | 7.5 |
| Y-22 | 10.1 | 9.7 | — | — | — | 9.5 | 9.0 | — | — |
| Y-23 | 7.5 | — | — | — | — | 7.4 | — | — | — |
| Y-24 | 9.6 | 9.4 | — | 6.8 | — | 9.0 | 8.5 | — | — |
| Y-25 | 10.1 | — | — | 8.9 | — | 9.9 | 9.3 | — | — |
| Y-26 | 9.0 | 9.1 | — | — | — | 7.5 | 7.7 | — | — |
| Y-27 | 9.1 | — | — | — | 7.2 | 9.2 | 8.1 | — | — |
| Y-28 | 8.9 | 8.8 | 6.6 | — | — | 6.3 | 7.8 | — | — |
| Y-29 | 9.7 | 9.5 | — | — | — | 9.5 | 8.6 | — | — |
| Y-30 | 9.4 | 7.6 | — | — | — | 9.5 | 7.7 | — | — |
| Y-31 | 10.0 | — | — | — | — | 10.1 | — | — | — |
| Y-32 | 9.2 | 9.0 | — | — | — | — | 6.4 | — | — |
| Y-33 | 9.4 | 9.3 | — | — | — | 8.1 | 7.3 | — | — |
| Y-34 | 9.5 | — | — | — | 7.6 | 9.4 | 8.8 | 6.4 | — |
| Y-35 | 10.1 | 9.9 | — | 8.7 | — | 8.9 | 8.4 | 7.3 | — |
| Y-36 | 9.8 | 9.5 | 6.3 | — | — | — | 8.2 | — | — |
| Y-37 | 10.2 | — | — | — | — | 10.2 | 8.5 | — | — |
| Y-38 | 8.6 | 7.4 | — | — | — | 8.5 | 7.9 | — | — |
| Y-39 | 9.6 | 9.6 | — | — | — | 8.4 | 7.9 | — | — |
| Y-40 | 9.6 | 9.0 | — | — | — | 9.0 | 8.5 | — | — |
| No. positive (%) | 46 (100) | 38 (83) | 5 (11) | 13 (28) | 8 (17) | 41 (89) | 44 (96) | 2 (4.3) | 4 (8.7) |
| Mean ± SD | 9.4 ± 0.7 | 9.1 ± 0.9 | 6.6 ± 0.2 | 8.3 ± 0.8 | 7.3 ± 0.7 | 8.9 ± 0.8 | 8.1 ± 0.7 | 6.9 ± 0.7 | 7.2 ± 0.5 |
a
Primers g-Bifid, BiADOg, BiANG, BiBIF, BiBRE, BiCATg, BiLON, BiINF, and BiDEN are specific for genus Bifidobacterium, B. adolescentis group, B. angulatum, B. bifidum, B. breve, the B. catenulatum group, B. longum, B. infantis, and B. dentium, respectively. —, not detected.
b
Fecal samples for subjects A to F were collected during the fifth month.