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Table 2 Differences detected between caecal and faecal samples

From: Dietary Xylo-oligosaccharide stimulates intestinal bifidobacteria and lactobacilli but has limited effect on intestinal integrity in rats

Phylum Family Sample CON XOS BIF
Mean ± SEM Mean ± SEM Mean ± SEM
Firmicutes Lachnospiraceae Faecal 3.6E-01 ± 3.6E-02 2.9E-01 ± 3.7E-02 3.2E-01 ± 4.5E-02
   Caecal 4.3E-01 ± 4.4E-02 4.5E-01 ± 3.0E-02 4.4E-01 ± 2.8E-02
  Peptostreptococcaceae Faecal 7.7E-03 ± 2.2E-03 8.2E-03 ± 3.0E-03 7.0E-03 ± 2.0E-03
   Caecal 2.4E-02 ± 8.7E-03 2.4E-02 ± 4.9E-03 2.6E-02 ± 5.0E-03
  Erysipelotrichaceae Faecal 1.2E-02 ± 3.6E-03 1.1E-02 ± 2.9E-03 1.1E-02 ± 2.5E-03
   Caecal 3.9E-03 ± 8.9E-04 6.1E-03 ± 2.7E-03 3.8E-03 ± 6.3E-04
  Lactobacillaceae Faecal 3.4E-02 ± 8.0E-03 8.5E-02 ± 2.7E-02 9.7E-02 ± 3.4E-02
   Caecal 5.9E-03 ± 3.4E-03 6.0E-03 ± 8.0E-04 1.5E-02 ± 6.6E-03
  Streptococcaceae Faecal 3.6E-04 ± 6.9E-05 3.8E-04 ± 1.1E-04 2.2E-04 ± 5.2E-05
   Caecal 1.3E-04 ± 3.6E-05 2.1E-04 ± 8.3E-05 1.9E-04 ± 7.1E-05
  Staphylococcaceae Faecal 1.2E-04 ± 3.3E-05 8.0E-05 ± 1.2E-05 1.2E-04 ± 1.4E-05
   Caecal 3.6E-05 ± 9.0E-06 4.0E-05 ± 1.1E-05 6.2E-05 ± 2.2E-05
  Veillonellaceae Faecal N.D. N.D. N.D.
   Caecal 2.6E-04 ± 1.6E-04 9.5E-04 ± 7.5E-04 4.8E-04 ± 3.2E-04
Bacteroidetes Rikenellaceae Faecal 3.0E-02 ± 5.6E-03 2.4E-02 ± 5.7E-03 1.9E-02 ± 4.6E-03
   Caecal 8.6E-02 ± 2.1E-02 5.3E-02 ± 1.2E-02 4.0E-02 ± 9.4E-03
Actinobacteria Micrococcaceae Faecal 2.6E-04 ± 5.4E-05 1.4E-04 ± 3.1E-05 1.7E-04 ± 2.3E-05
   Caecal 3.1E-05 ± 1.1E-05 2.8E-05 ± 1.0E-05 6.5E-05 ± 1.7E-05
  Corynebacteriaceae Faecal 6.6E-05 ± 1.5E-05 5.9E-05 ± 2.0E-05 5.4E-05 ± 1.1E-05
   Caecal 1.9E-05 ± 6.3E-06 1.0E-05 ± 4.6E-06 5.8E-05 ± 3.9E-05
  Coriobacteriaceae Faecal 1.5E-03 ± 3.2E-04 1.7E-03 ± 1.9E-04 1.9E-03 ± 4.6E-04
   Caecal 2.4E-04 ± 6.1E-05 2.5E-04 ± 4.8E-05 5.5E-04 ± 1.4E-04
Proteobacteria Desulfovibrionaceae Faecal 1.3E-03 ± 4.9E-04 9.9E-04 ± 5.6E-04 1.1E-03 ± 5.6E-04
   Caecal 5.9E-03 ± 1.1E-03 5.7E-03 ± 3.1E-03 6.5E-03 ± 2.2E-03
  *Hyphomicrobiaceae Faecal N.D. N.D. 1.9E-06 ± 1.9E-06
   Caecal 3.2E-05 ± 9.8E-06 4.2E-05 ± 1.9E-05 3.9E-05 ± 2.1E-05
Deferribacteres Deferribacteraceae Faecal 1.0E-04 ± 2.4E-05 1.3E-04 ± 6.0E-05 1.1E-04 ± 2.0E-05
   Caecal 4.1E-04 ± 9.2E-05 4.1E-04 ± 1.3E-04 3.5E-04 ± 8.3E-05
  1. Mean ± SEM are shown and highlighted in boldface for those families with significant differences after correction for False Discovery Rate (q < 0.05).
  2. *Note that the family Hyphomicrobiaceae contains the genera Gemmiger, which shows high 16S rRNA gene sequence homology to members of the Ruminococcaceae family (Firmicutes), and may thus be taxonomically misplaced.