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Table 2 The 20 colonic bacterial genera with greatest increase or decrease in abundance in rats fed a FOS inulin-supplemented diet (F2.5), and their abundance in other diet supplemented groups. BF = basal feed; C2.5 = C. crispus 2.5 %; C0.5 = C. crispus 0.5 %; F2.5 = FOS Inulin 2.5 %; F0.5 = FOS Inulin 0.5 %

From: Prebiotic effects of diet supplemented with the cultivated red seaweed Chondrus crispus or with fructo-oligo-saccharide on host immunity, colonic microbiota and gut microbial metabolites

Phylum Class Order Family Genus Fold changea
C2.5 C0.5 F2.5 F0.5
Proteobacteria Alphaproteobacteria Rhizobiales Aurantimonadaceae Aurantimonas 11.7 12.5 4.7 7.8
Actinobacteria Actinobacteria Bifidobacteriales Bifidobacteriaceae Bifidobacterium 4.8 2.1 2.9 1.6
Firmicutes Clostridia Clostridiales Lachnospiraceae Blautia 2.4 1.5 2.3 −2.5
Proteobacteria Gammaproteobacteria Pseudomonadales Moraxellaceae Acinetobacter −1.1 1.2 2.1 2.7
Proteobacteria Gammaproteobacteria Legionellales Legionellaceae Legionella 2.9 2.0 2.0 1.3
Tenericutes Mollicutes Entomoplasmatales Entomoplasmataceae Mesoplasma 1.3 1.4 1.9 1.8
Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae SMC −24.4 −1.4 1.8 1.0
Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae Proteus −5.9 −1.3 1.6 1.0
Chloroflexi Anaerolineae Anaerolineales Anaerolinaceae Anaerolinea 1.3 1.2 1.6 1.0
Chlamydiae Chlamydiae Chlamydiales Parachlamydiaceae Parachlamydia 1.2 1.5 1.6 −1.1
Firmicutes Clostridia Clostridiales Ruminococcaceae Oscillospira 1.2 1.0 −1.3 −1.3
Proteobacteria Gammaproteobacteria Alteromonadales Shewanellaceae Shewanella 2.6 1.5 −1.3 −1.9
Firmicutes Clostridia Clostridiales Lachnospiraceae Pseudobutyrivibrio −2.3 −6.4 −1.3 1.1
Firmicutes Bacilli Lactobacillales Streptococcaceae Streptococcus −1.9 −1.3 −1.3 −1.4
Firmicutes Clostridia Clostridiales Ruminococcaceae Ruminococcus 1.0 1.1 −1.3 1.0
Tenericutes Mollicutes Entomoplasmatales Spiroplasmataceae Spiroplasma −2.1 −1.5 −1.5 1.2
Proteobacteria Alphaproteobacteria Rhizobiales Rhizobiaceae Rhizobium 1.0 1.1 −2.0 −1.9
Firmicutes Clostridia Clostridiales Lachnospiraceae Oribacterium −1.3 1.0 −2.3 −2.0
Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Thioclava −1.4 1.0 −2.6 −2.8
Actinobacteria Actinobacteria Actinomycetales Intrasporangiaceae Janibacter −2.0 1.1 −4.0 −1.2
  1. aFold change represents the relative abundance of the bacterial genus in rats fed seaweed- or inulin-supplemented diets compared with the basal diet; values were calculated from the microarray hybridization scores derived from fluorescence intensity. C2.5, Chondrus crispus 2.5 % (dry w/w); C0.5, 0.5 %; F2.5, FOS inulin 2.5 %; F0.5, 0.5 %