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. 2021 Mar 1;9:e10946. doi: 10.7717/peerj.10946

Table 7. Function prediction using PICRUSt based on 16S rRNA gene copy numbers.

Level 1 Level 2 pathway p-value Enriched in
Environmental Information Processing Membrane Transport Bacterial secretion system 1.70E−03 Obesity
Environmental Information Processing Signaling Molecules and Interaction Cellular antigens 2.33E−02 Obesity
Environmental Information Processing Signaling Molecules and Interaction Ion channels 9.92E−04 Obesity
Metabolism Amino Acid Metabolism Valine, leucine and isoleucine degradation 3.70E−04 Obesity
Metabolism Biosynthesis of Other Secondary Metabolites Flavone and flavonol biosynthesis 3.03E−02 ASD
Metabolism Biosynthesis of Other Secondary Metabolites Isoquinoline alkaloid biosynthesis 2.03E−03 Obesity
Metabolism Biosynthesis of Other Secondary Metabolites Penicillin and cephalosporin biosynthesis 4.53E−02 Obesity
Metabolism Enzyme Families Protein kinases 1.47E−02 ASD
Metabolism Glycan Biosynthesis and Metabolism Glycosaminoglycan degradation 4.03E−02 Obesity
Metabolism Glycan Biosynthesis and Metabolism Glycosphingolipid biosynthesis - ganglio series 2.46E−02 Obesity
Metabolism Glycan Biosynthesis and Metabolism Lipopolysaccharide biosynthesis 8.36E−04 Obesity
Metabolism Glycan Biosynthesis and Metabolism Lipopolysaccharide biosynthesis proteins 4.95E−04 Obesity
Metabolism Lipid Metabolism Ether lipid metabolism 8.60E−03 ASD
Metabolism Lipid Metabolism Linoleic acid metabolism 3.37E−02 ASD
Metabolism Lipid Metabolism Primary bile acid biosynthesis 6.39E−03 ASD
Metabolism Lipid Metabolism Secondary bile acid biosynthesis 5.97E−03 ASD
Metabolism Lipid Metabolism Steroid hormone biosynthesis 2.67E−02 Obesity
Metabolism Metabolism of Cofactors and Vitamins Riboflavin metabolism 5.23E−03 Obesity
Metabolism Metabolism of Cofactors and Vitamins Ubiquinone and other terpenoid-quinone biosynthesis 7.45E−03 Obesity
Metabolism Metabolism of Other Amino Acids D-Arginine and D-ornithine metabolism 3.58E−03 Obesity
Metabolism Metabolism of Other Amino Acids Glutathione metabolism 2.96E−03 Obesity
Metabolism Metabolism of Other Amino Acids Phosphonate and phosphinate metabolism 1.41E−02 ASD
Metabolism Metabolism of Terpenoids and Polyketides Geraniol degradation 2.29E−03 Obesity
Metabolism Metabolism of Terpenoids and Polyketides Limonene and pinene degradation 2.18E−02 Obesity
Metabolism Metabolism of Terpenoids and Polyketides Tetracycline biosynthesis 1.39E−02 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Atrazine degradation 5.87E−03 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Chloroalkane and chloroalkene degradation 3.09E−03 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Chlorocyclohexane and chlorobenzene degradation 2.32E−02 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Dioxin degradation 1.04E−03 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Ethylbenzene degradation 6.98E−03 Obesity
Metabolism Xenobiotics Biodegradation and Metabolism Styrene degradation 4.36E−03 ASD
Metabolism Xenobiotics Biodegradation and Metabolism Toluene degradation 3.14E−04 Obesity
Metabolism Xenobiotics Biodegradation and Metabolism Xylene degradation 5.69E−04 ASD