TABLE 4.
Band no. | Donors (substrate)2 | Closest relatives (Genbank accession no.) | Similarity | Taxonomic group |
% | ||||
1 | FF9 (scFOS, LNnT, HMO) | Uncultured Anaerovibrio sp. (FJ683186) | 100 | Firmicutes/ Clostridia |
2 | FF9,FF17 (all substrates) SR9 (HMO) | Collinsella aerofaciens (T) (AB011816) | 98 | Actinobacteria |
3 | FF17 (scFOS, PDX/GOS, LNnT) | Clostridium ramosum (EU869233) | 100 | Clostridium cluster XVIII |
4 | FF17 (scFOS) | Ruminococcus obeum A2–162 (FP929054) | 100 | Clostridium cluster XIVa |
53 | SR17 (all substrates) | Bacteroides vulgatus (AB510712) | 100 | Bacteroidetes |
6 | SR17 (all substrates) | Clostridium clostridioforme (HM008264)/Clostridium sp. MLG080-1(AY653233) | 100 | Clostridium cluster XIVa |
7 | SR17 (HMO) | Escherichia coli (X80728) | 100 | Proteobacteria |
8 | SR17 (HMO) | Uncultured Oscillibacter sp. (DQ326974) | 100 | Clostridium cluster IV |
DGGE, denaturing gradient gel electrophoresis; FF9, 9-d-old formula-fed piglets; FF17, 17-d-old formula-fed piglets; GOS, galactooligosaccharides; HMO, human milk oligosaccharides; LNnT, lacto- -neotetraose; PDX, polydextrose; scFOS, short-chain fructooligosaccharides; SR9, 9-d-old sow-reared piglets; SR17, 17 d-old sow-reared piglets.
Represents donor groups and substrates in which DGGE band density increased during the fermentation.
This band was quantitatively verified by qPCR.