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Table 2 Summary of the three correlation networks with information on bacterial groups

From: Network analysis of temporal functionalities of the gut induced by perturbations in new-born piglets

Bacterial groups Number of correlated genes in Information
Only Tr1 Tr1& Tr2 Only Tr2
Eubacterium et rel 14 165 128 Anaerobic, Gram positive, broad range of species
Ruminococcus bromii et rel 39 65 63 Anaerobic, Gram positive, keystone species in the gut, digestion of resistant starch
Faecalibacterium et rel 35 40 43 Obligate anaerobe, Gram negative, produces butyrate, has anti-inflammatory properties
Campylobacter 1 35 62 Microaerophilic, Gram negative, known pathogen in humans
Lawsonia intracellularis et rel 15 22 9 Gram positive, Porcine intracellular enteropathogen
Butyrivibrio crossotus et rel 22 1 2 Anaerobic, Gram positive, butyrate producer
Bacteroides distasonis et rel 5 1 5 Obligate anaerobe, Gram negative, reclassified to Parabacteroides distasonis, produces acetate and succinate, possible pathogen
Fusobacterium et rel   1 9 Anaerobic, Gram negative, generally butyrate producers, possible pathogen, potent lipopolysaccharide
Eubacterium hallii et rel 3    Anaerobic, uses lactate and produces butyrate
Roseburia intestinalis et rel 1    Anaerobic, Gram positive, butyrate producer
Coprococcus eutactus et rel 16   1 Anaerobic, Gram positive, mostly acetate producer
Brachyspira    43 Anaerobic, Gram negative, some known pathogens
Eubacterium biforme et rel    36 Anaerobic, involved in lipid metabolism
Catenibacterium et rel    32 Obligate anaerobes, Gram positive, digest simple sugars
Turneriella    18 Obligate anaerobes, Gram negative
Bordetella et rel    15 Obligate anaerobes, Gram negative, known to cause respiratory diseases
Erysipelothrix    11 Facultative anaerobes, porcine pathogens for skin diseases
Lactobacillus acidophilus et rel    10 Microaerobic, Gram positive, ferments sugars into lactic acid, probiotic
Desulfovibrio et rel    8 Aerotolerant, Gram negative, reduce toxic substances like sulphate
Uncultured Prevotella    4 Gram negative, pathogens in respiratory tract, breaks down proteins and carbohydrates
Oxalobacter et rel    2 Anaerobic, oxalate reducing
Thiocapsa et rel    2 Mostly anaerobic, oxidise sulphur, photosynthetic
  1. The bacterial groups that are part of the networks are listed along with the number of genes with which they are highly correlated. Several genes are shared between bacterial groups. Both the genes and the bacterial groups are significantly different either in time or treatment between the control. The first seven groups are common between the three networks. Some general information on these bacterial groups is also given in the last column