Table 2.
Differences in bacterial abundance after a three-day intervention with SFA and PUFA
| SFA | PUFA | ||||||
|---|---|---|---|---|---|---|---|
| Gut bacteria | Day 1 | Day 4 | p1 | Day 1 | Day 4 | p1 | p2 |
| Actinobacteria (A) | 7.9 (1.1) | 7.4 (1.1) | 0.087 | 7.5 (1.2) | 7.7 (1.3) | ns | 0.063 |
| Actinomycetales (A) | 4.0 (1.1) | 4.0 (1.0) | ns | 4.4 (1.3) | 4.2 (1.0) | ns | ns |
| Bifidobacterium spp. (A) | 7.1 (1.3) | 6.6 (1.3) | 0.091 | 6.6 (1.3) | 7.0 (1.4) | ns | 0.029 |
| Alistipes (B) | 7.1 (1.8) | 7.3 (1.8) | ns | 7.2 (1.8) | 7.5 (1.8) | 0.006 | ns |
| Alistipes onderdonkii (B) | 4.2 (1.9) | 4.3 (1.9) | ns | 4.2 (1.9) | 4.5 (2.1) | ns | ns |
| Bacteroides fragilis (B) | 4.0 (2.0) | 4.2 (2.1) | ns | 3.8 (1.8) | 4.1 (2.2) | ns | ns |
| Bacteroides pectinophilus (B) | 3.6 (0.6) | 3.5 (0.5) | ns | 3.7 (0.7) | 3.6 (0.7) | ns | ns |
| Bacteroides spp. (B) | 5.3 (1.6) | 5.4 (1.6) | ns | 5.3 (1.5) | 5.4 (1.5) | ns | ns |
| Bacteroides spp. & Prevotella spp. (B) | 9.9 (0.4) | 10.0 (0.3) | ns | 9.9 (0.4) | 9.9 (0.3) | ns | ns |
| Bacteroides stercoris (B) | 3.8 (1.7) | 3.9 (1.5) | ns | 3.8 (1.5) | 3.8 (1.4) | ns | ns |
| Bacteroides zoogleoformans (B) | 3.7 (1.5) | 4.1 (1.6) | 0.086 | 3.9 (1.5) | 3.9 (1.4) | ns | ns |
| Parabacteroides johnsonii (B) | 3.9 (1.8) | 4.0 (1.6) | ns | 3.9 (1.8) | 4.3 (1.8) | 0.014 | ns |
| Parabacteroides spp. (B) | 5.5 (1.5) | 5.6 (1.5) | ns | 5.5 (1.5) | 5.8 (1.6) | ns | ns |
| Bacilli (F) | 7.2 (0.4) | 7.1 (0.7) | ns | 7.1 (0.8) | 7.1 (0.5) | ns | ns |
| Clostridia (F) | 8.9 (0.2) | 9.0 (0.3) | ns | 8.9 (0.3) | 9.0 (0.2) | ns | ns |
| Clostridium methylpentosum (F) | 4.1 (0.8) | 4.2 (0.8) | ns | 4.1 (0.8) | 4.4 (0.9) | 0.082 | ns |
| Coprobacillus cateniformis (F) | 2.9 (0.9) | 2.8 (0.5) | ns | 3.0 (1.0) | 2.9 (1.2) | ns | ns |
| Dialister invisus (F) | 7.1 (2.3) | 7.3 (2.4) | ns | 7.5 (2.3) | 7.3 (2.2) | ns | 0.073 |
| Dialister invisus & Megasphaera micronuciformis (F) | 5.6 (2.6) | 5.8 (2.6) | 0.005 | 5.9 (2.8) | 5.8 (2.6) | ns | 0.067 |
| Dorea spp. (F) | 4.5 (1.0) | 4.5 (0.9) | ns | 4.5 (1.2) | 4.7 (0.9) | ns | ns |
| Eubacterium hallii (F) | 6.6 (0.8) | 6.3 (0.9) | 0.064 | 6.3 (0.7) | 6.5 (0.9) | ns | 0.095 |
| Eubacterium biforme (F) | 5.0 (2.4) | 4.9 (2.2) | ns | 4.8 (2.2) | 4.7 (2.2) | ns | ns |
| Eubacterium rectale (F) | 6.2 (2.2) | 6.2 (2.1) | ns | 6.2 (2.0) | 6.4 (2.0) | ns | ns |
| Eubacterium siraeum (F) | 4.4 (1.1) | 4.1 (1.1) | 0.043 | 4.7 (0.8) | 4.7 (1.2) | ns | ns |
| Firmicutes (F) | 9.4 (0.4) | 9.4 (0.6) | ns | 9.5 (0.5) | 9.4 (0.5) | ns | ns |
| Faecalibacterium prausnitzii (F) | 8.8 (0.3) | 8.7 (0.5) | ns | 8.7 (0.3) | 8.9 (0.3) | ns | ns |
| Lachnospiraceae (F) | 9.8 (0.2) | 9.8 (0.2) | ns | 9.7 (0.3) | 9.8 (0.2) | 0.009 | 0.013 |
| Lactobacillus spp. (F) | 5.7 (2.3) | 5.7 (2.0) | ns | 5.5 (2.1) | 5.5 (2.0) | ns | ns |
| Lactobacillus spp. 2 (F) | 3.5 (1.0) | 3.5 (1.2) | ns | 3.2 (1.1) | 3.4 (1.3) | ns | ns |
| Phascolarctobacterium sp. (F) | 4.2 (1.9) | 4.2 (1.8) | ns | 4.1 (1.8) | 4.2 (1.9) | 0.082 | 0.069 |
| Ruminococcus albus & Ruminococcus bromii (F) | 4.9 (1.9) | 5.0 (2.0) | ns | 5.1 (1.9) | 5.4 (2.0) | ns | ns |
| Ruminococcus gnavus (F) | 4.0 (1.2) | 4.0 (1.3) | ns | 3.9 (1.1) | 4.0 (1.1) | ns | ns |
| Streptococcus agalactiae & Eubacterium rectale (F) | 5.9 (1.7) | 5.9 (1.6) | ns | 5.7 (1.7) | 5.9 (1.5) | 0.065 | ns |
| Streptococcus salivarius ssp. thermophilus & S. sanguinis (F) | 2.8 (0.4) | 2.8 (0.5) | ns | 3.4 (1.6) | 3.3 (1.1) | ns | ns |
| Streptococcus salivarius ssp. thermophilus (F) | 4.6 (1.4) | 4.6 (1.4) | ns | 4.7 (1.6) | 4.8 (1.5) | ns | ns |
| Streptococcus spp. 2 (F) | 3.5 (0.9) | 3.4 (1.0) | ns | 3.3 (0.8) | 3.3 (0.8) | ns | ns |
| Veillonella spp. (F) | 9.2 (0.4) | 9.2 (0.4) | ns | 9.2 (0.5) | 9.2 (0.4) | ns | ns |
| Firmicutes various (F/T/B) | 7.7 (1.5) | 7.5 (1.4) | ns | 7.4 (1.5) | 7.6 (1.5) | ns | ns |
| Proteobacteria (P) | 5.9 (0.3) | 6.0 (0.8) | ns | 6.0 (0.5) | 6.0 (0.5) | ns | ns |
| Mycoplasma hominis (T) | 6.3 (2.3) | 6.3 (2.2) | ns | 6.1 (2.2) | 5.9 (2.3) | ns | ns |
The values are log2 transformed and given as mean (SD). P-values indicate differences within (p1) or between (p2) SFA and PUFA interventions calculated with t-test
A Actinobacteria, B Bacteroidetes, F Firmicutes, ns Non-significant, P Proteobacteria, PUFA Polyunsaturated fatty acids, SFA Saturated fatty acids, T Tenericutes