Gut Microbiota Markers in Obese Adolescent and Adult Patients: Age-Dependent Differential Patterns

Federica Del Chierico, Francesca Abbatini, Alessandra Russo, Andrea Quagliariello, Sofia Reddel, Danila Capoccia, Romina Caccamo, Stefano Ginanni Corradini, Valerio Nobili, Francesco De Peppo, Bruno Dallapiccola, Frida Leonetti, Gianfranco Silecchia, Lorenza Putignani

Research output: Contribution to journalArticle

Abstract

Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in obese adolescents and adults compared to age-matched normal weight (NW) volunteers in order to assemble age- and obesity-related microbiota profiles. The composition of gut microbiota was analyzed by 16S rRNA-based metagenomics. Ecological representations of microbial communities were computed, and univariate, multivariate, and correlation analyses performed on bacterial profiles. The prediction of metagenome functional content from 16S rRNA gene surveys was carried out. Ecological analyses revealed a dissimilarity among the subgroups, and resultant microbiota profiles differed between obese adolescents and adults. Using statistical analyses, we assigned, as microbial markers, Faecalibacterium prausnitzii and Actinomyces to the microbiota of obese adolescents, and Parabacteroides, Rikenellaceae, Bacteroides caccae, Barnesiellaceae, and Oscillospira to the microbiota of NW adolescents. The predicted metabolic profiles resulted different in adolescent groups. Particularly, biosynthesis of primary bile acid and steroid acids, metabolism of fructose, mannose, galactose, butanoate, and pentose phosphate and glycolysis/gluconeogenesis were for the majority associated to obese, while biosynthesis and metabolism of glycan, biosynthesis of secondary bile acid, metabolism of steroid hormone and lipoic acid were associated to NW adolescents. Our study revealed unique features of gut microbiota in terms of ecological patterns, microbial composition and metabolism in obese patients. The assignment of novel obesity bacterial markers may open avenues for the development of patient-tailored treatments dependent on age-related microbiota profiles.

Original languageEnglish
Pages (from-to)1210
Number of pages12
JournalFrontiers in Microbiology
Volume9
DOIs
Publication statusPublished - 2018

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Microbiota
Obesity
Bile Acids and Salts
Weights and Measures
Steroids
Metagenome
Pentoses
Thioctic Acid
Metagenomics
Actinomyces
Bacteroides
Gluconeogenesis
Metabolome
Glycolysis
Mannose
Fructose
Galactose
rRNA Genes
Polysaccharides
Gastrointestinal Microbiome

Cite this

Gut Microbiota Markers in Obese Adolescent and Adult Patients : Age-Dependent Differential Patterns. / Del Chierico, Federica; Abbatini, Francesca; Russo, Alessandra; Quagliariello, Andrea; Reddel, Sofia; Capoccia, Danila; Caccamo, Romina; Ginanni Corradini, Stefano; Nobili, Valerio; De Peppo, Francesco; Dallapiccola, Bruno; Leonetti, Frida; Silecchia, Gianfranco; Putignani, Lorenza.

In: Frontiers in Microbiology, Vol. 9, 2018, p. 1210.

Research output: Contribution to journalArticle

Del Chierico, Federica ; Abbatini, Francesca ; Russo, Alessandra ; Quagliariello, Andrea ; Reddel, Sofia ; Capoccia, Danila ; Caccamo, Romina ; Ginanni Corradini, Stefano ; Nobili, Valerio ; De Peppo, Francesco ; Dallapiccola, Bruno ; Leonetti, Frida ; Silecchia, Gianfranco ; Putignani, Lorenza. / Gut Microbiota Markers in Obese Adolescent and Adult Patients : Age-Dependent Differential Patterns. In: Frontiers in Microbiology. 2018 ; Vol. 9. pp. 1210.
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AU - Del Chierico, Federica

AU - Abbatini, Francesca

AU - Russo, Alessandra

AU - Quagliariello, Andrea

AU - Reddel, Sofia

AU - Capoccia, Danila

AU - Caccamo, Romina

AU - Ginanni Corradini, Stefano

AU - Nobili, Valerio

AU - De Peppo, Francesco

AU - Dallapiccola, Bruno

AU - Leonetti, Frida

AU - Silecchia, Gianfranco

AU - Putignani, Lorenza

PY - 2018

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N2 - Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in obese adolescents and adults compared to age-matched normal weight (NW) volunteers in order to assemble age- and obesity-related microbiota profiles. The composition of gut microbiota was analyzed by 16S rRNA-based metagenomics. Ecological representations of microbial communities were computed, and univariate, multivariate, and correlation analyses performed on bacterial profiles. The prediction of metagenome functional content from 16S rRNA gene surveys was carried out. Ecological analyses revealed a dissimilarity among the subgroups, and resultant microbiota profiles differed between obese adolescents and adults. Using statistical analyses, we assigned, as microbial markers, Faecalibacterium prausnitzii and Actinomyces to the microbiota of obese adolescents, and Parabacteroides, Rikenellaceae, Bacteroides caccae, Barnesiellaceae, and Oscillospira to the microbiota of NW adolescents. The predicted metabolic profiles resulted different in adolescent groups. Particularly, biosynthesis of primary bile acid and steroid acids, metabolism of fructose, mannose, galactose, butanoate, and pentose phosphate and glycolysis/gluconeogenesis were for the majority associated to obese, while biosynthesis and metabolism of glycan, biosynthesis of secondary bile acid, metabolism of steroid hormone and lipoic acid were associated to NW adolescents. Our study revealed unique features of gut microbiota in terms of ecological patterns, microbial composition and metabolism in obese patients. The assignment of novel obesity bacterial markers may open avenues for the development of patient-tailored treatments dependent on age-related microbiota profiles.

AB - Obesity levels, especially in children, have dramatically increased over the last few decades. Recently, several studies highlighted the involvement of gut microbiota in the pathophysiology of obesity. We investigated the composition of gut microbiota in obese adolescents and adults compared to age-matched normal weight (NW) volunteers in order to assemble age- and obesity-related microbiota profiles. The composition of gut microbiota was analyzed by 16S rRNA-based metagenomics. Ecological representations of microbial communities were computed, and univariate, multivariate, and correlation analyses performed on bacterial profiles. The prediction of metagenome functional content from 16S rRNA gene surveys was carried out. Ecological analyses revealed a dissimilarity among the subgroups, and resultant microbiota profiles differed between obese adolescents and adults. Using statistical analyses, we assigned, as microbial markers, Faecalibacterium prausnitzii and Actinomyces to the microbiota of obese adolescents, and Parabacteroides, Rikenellaceae, Bacteroides caccae, Barnesiellaceae, and Oscillospira to the microbiota of NW adolescents. The predicted metabolic profiles resulted different in adolescent groups. Particularly, biosynthesis of primary bile acid and steroid acids, metabolism of fructose, mannose, galactose, butanoate, and pentose phosphate and glycolysis/gluconeogenesis were for the majority associated to obese, while biosynthesis and metabolism of glycan, biosynthesis of secondary bile acid, metabolism of steroid hormone and lipoic acid were associated to NW adolescents. Our study revealed unique features of gut microbiota in terms of ecological patterns, microbial composition and metabolism in obese patients. The assignment of novel obesity bacterial markers may open avenues for the development of patient-tailored treatments dependent on age-related microbiota profiles.

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