carbohydrate metabolism nonhuman 8 Article 7 controlled study 5 human 4 male 4 unclassified drug 4 metabolism 3 whole genome sequencing 3 adult 2 amino acid metabolism 2 bacterial gene 2 bacterial metabolism 2 bacterial strain 2 bacterium 2 carbohydrate 2 community structure 2 disease association 2 fatty acid synthesis 2 female 2 fermentation 2 fructose 2 fungal strain 2 genetics 2 glucose transporter 2 horizontal gene transfer 2 major clinical study 2 metagenomics 2 microbial community 2 microbial diversity 2