Table 1.
Ecological indices based on the relative abundance of OTUs and COG families.
| Median (IQR) | Change (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| CT | CT–Pre | HFD | HFD–Pre | CT–Pre vs CT | HFD vs CT | HFD–Pre vs CT | HFD vs CT–Pre | HFD–Pre vs CT–Pre | HFD–Pre vs HFD | ||
| 16S rDNA sequences normalized to 870 | Number of OTUs | 319 (308-339) | 291 (286-299) | 236 (231-247) | 259 (244-268) | ns | −26 (**) | −19 (***) | −19 (***) | −11 (**) | ns |
| Shannon diversity H'(loge) | 5.222 (5.053-5.309) | 5.051 (4.963-5.110) | 4.250 (4.200-4.470) | 4.485 (4.345-4.651) | ns | −19 (***) | −14 (***) | −16 (***) | −11 (***) | ns | |
| Chao1 | 685 (550-755) | 606 (521-612) | 548 (465-596) | 555 (530-660) | ns | −20 (*) | ns | ns | ns | ns | |
| COGs normalized to 82,417 | Number of COG families | 2,188 (2177-2,208) | 2,194 (2,190-2,213) | 2,190 (2,176-2,204) | 2,244 (2,227-2,280) | ns | ns | 2 4 (***) | ns | 2.3 (**) | 2.4 (**) |
| Shannon diversity H’(loge) | 6.826 (6.807-6.827) | 6.827 (6.814-6.835) | 6.840 (6.834-6.846) | 6.876 (6.861-6.883) | ns | 0.34 (*) | 0.86 (***) | ns | 0.71 (***) | 0.52 (**) | |
Mean of OTU and COG richness and the Shannon diversity index for the different treatment groups and percentage of changes. Only significant changes (*, P<0.05; **, P<0.01; ***, P<0.001; Mann-Whitney test) are presented.