TABLE 2.
Fecal bacterial taxa abundances at the genus level at baseline and change after 12 wk of intervention that were found to be significantly different within and/or between the WGW and RW group in middle-aged overweight and obese adults1
RW group | WGW group | Within RW | Within WGW | Group comparison | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Bacteria | Baseline relative abundance, % | Δ Relative abundance after 12 wk, % | Baseline relative abundance, % | Δ Relative abundance after 12 wk, % | P value | FDR P value | P value | FDR P value | P value | FDR P value |
f_Ruminococcaceae; g_Ruminiclostridium_9 | 0.20 ± 0.23 | −0.081 ± 0.17 | 0.065 ± 0.11 | 0.054 ± 0.14 | 0.07 | NS2 | 0.07 | NS | 0.003 | NS |
f_Ruminococcaceae; g_Ruminococcaceae_NK4A214_group | 0.64 ± 1.3 | −0.15 ± 0.49 | 0.37 ± 0.56 | 0.17 ± 0.83 | 0.12 | NS | 0.11 | NS | 0.036 | NS |
f_Lachnospiraceae; g_Lachnospiraceae_UCG-008 | 0.00 ± 0.00 | 0.043 ± 0.10 | 0.10 ± 0.12 | −0.023 ± 0.083 | 0.18 | NS | 0.19 | NS | 0.044 | NS |
f_Ruminococcaceae; g_Ruminococcaceae_UCG-014 | 1.6 ± 2.1 | −0.31 ± 0.78 | 2.2 ± 4.6 | 0.51 ± 4.2 | 0.12 | NS | 0.13 | NS | 0.033 | NS |
f_Lachnospiraceae; g_Dorea | 1.7 ± 1.1 | −0.72 ± 0.91 | 1.6 ± 0.81 | −0.018 ± 0.99 | 0.005 | NS | 0.61 | NS | 0.055 | NS |
f_Tannerellaceae; g_Parabacteroides | 0.37 ± 0.30 | 0.60 ± 1.42 | 0.45 ± 0.41 | 0.35 ± 0.97 | 0.007 | NS | 0.18 | NS | 0.32 | NS |
f_Lachnospiraceae; g_[Eubacterium]_ventriosum_group | 0.17 ± 0.23 | −0.14 ± 0.24 | 0.14 ± 0.14 | −0.050 ± 0.15 | 0.044 | NS | 0.71 | NS | 0.18 | NS |
f_Peptostreptococcaceae_g_unknown | 1.2 ± 2.8 | −0.64 ± 1.5 | 0.56 ± 0.71 | −0.23 ± 0.69 | 0.024 | NS | 0.18 | NS | 0.57 | NS |
f_Ruminococcaceae; g_Ruminococcus_2 | 1.4 ± 1.3 | −0.24 ± 1.5 | 2.1 ± 1.8 | −1.1 ± 2.1 | 0.11 | NS | 0.024 | NS | 0.44 | NS |
f_Ruminococcaceae; g_Subdoligranulum | 6.8 ± 4.7 | −1.7 ± 4.6 | 6.1 ± 5.3 | −1.8 ± 3.7 | 0.10 | NS | 0.024 | NS | 0.89 | NS |
f_Burkholderiaceae; g_Sutterella | 0.27 ± 0.44 | 0.085 ± 0.45 | 0.35 ± 0.92 | 0.30 ± 0.49 | 0.31 | NS | 0.010 | NS | 0.46 | NS |
f_Ruminococcaceae; g_Ruminococcaceae_UCG-005 | 1.1 ± 1.1 | 0.38 ± 1.5 | 0.91 ± 1.1 | 0.21 ± 1.0 | 0.75 | NS | 0.042 | NS | 0.47 | NS |
Values are presented as group means ± SD, n = 16 (RW) or n = 21 (WGW). FDR, false discovery rate; RW, refined wheat; WGW, whole grain wheat; Δ, differential change over time.
2NS, nonsignificant: P value > 0.05.