A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area

Abstract Data from recent studies support the hypothesis that infections by human gastrointestinal (GI) helminths impact, directly and/or indirectly, on the composition of the host gut microbial flora. However, to the best of our knowledge, these studies have been conducted in helminth-endemic areas...

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Autores principales: Timothy P. Jenkins, Fabio Formenti, Cecilia Castro, Chiara Piubelli, Francesca Perandin, Dora Buonfrate, Domenico Otranto, Julian L. Griffin, Lutz Krause, Zeno Bisoffi, Cinzia Cantacessi
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Publicado: Nature Portfolio 2018
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spelling oai:doaj.org-article:c532b10f3103458694357cf986f8996e2021-12-02T15:08:22ZA comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area10.1038/s41598-018-33937-32045-2322https://doaj.org/article/c532b10f3103458694357cf986f8996e2018-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-33937-3https://doaj.org/toc/2045-2322Abstract Data from recent studies support the hypothesis that infections by human gastrointestinal (GI) helminths impact, directly and/or indirectly, on the composition of the host gut microbial flora. However, to the best of our knowledge, these studies have been conducted in helminth-endemic areas with multi-helminth infections and/or in volunteers with underlying gut disorders. Therefore, in this study, we explore the impact of natural mono-infections by the human parasite Strongyloides stercoralis on the faecal microbiota and metabolic profiles of a cohort of human volunteers from a non-endemic area of northern Italy (S+), pre- and post-anthelmintic treatment, and compare the findings with data obtained from a cohort of uninfected controls from the same geographical area (S−). Analyses of bacterial 16S rRNA high-throughput sequencing data revealed increased microbial alpha diversity and decreased beta diversity in the faecal microbial profiles of S+ subjects compared to S−. Furthermore, significant differences in the abundance of several bacterial taxa were observed between samples from S+ and S− subjects, and between S+ samples collected pre- and post-anthelmintic treatment. Faecal metabolite analysis detected marked increases in the abundance of selected amino acids in S+ subjects, and of short chain fatty acids in S− subjects. Overall, our work adds valuable knowledge to current understanding of parasite-microbiota associations and will assist future mechanistic studies aimed to unravel the causality of these relationships.Timothy P. JenkinsFabio FormentiCecilia CastroChiara PiubelliFrancesca PerandinDora BuonfrateDomenico OtrantoJulian L. GriffinLutz KrauseZeno BisoffiCinzia CantacessiNature PortfolioarticleStrongyloides StercoralisStercoralis InfectionMicrobial Alpha DiversityDecreased Beta DiversityFecal MetabolomeMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
institution DOAJ
collection DOAJ
language EN
topic Strongyloides Stercoralis
Stercoralis Infection
Microbial Alpha Diversity
Decreased Beta Diversity
Fecal Metabolome
Medicine
R
Science
Q
spellingShingle Strongyloides Stercoralis
Stercoralis Infection
Microbial Alpha Diversity
Decreased Beta Diversity
Fecal Metabolome
Medicine
R
Science
Q
Timothy P. Jenkins
Fabio Formenti
Cecilia Castro
Chiara Piubelli
Francesca Perandin
Dora Buonfrate
Domenico Otranto
Julian L. Griffin
Lutz Krause
Zeno Bisoffi
Cinzia Cantacessi
A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
description Abstract Data from recent studies support the hypothesis that infections by human gastrointestinal (GI) helminths impact, directly and/or indirectly, on the composition of the host gut microbial flora. However, to the best of our knowledge, these studies have been conducted in helminth-endemic areas with multi-helminth infections and/or in volunteers with underlying gut disorders. Therefore, in this study, we explore the impact of natural mono-infections by the human parasite Strongyloides stercoralis on the faecal microbiota and metabolic profiles of a cohort of human volunteers from a non-endemic area of northern Italy (S+), pre- and post-anthelmintic treatment, and compare the findings with data obtained from a cohort of uninfected controls from the same geographical area (S−). Analyses of bacterial 16S rRNA high-throughput sequencing data revealed increased microbial alpha diversity and decreased beta diversity in the faecal microbial profiles of S+ subjects compared to S−. Furthermore, significant differences in the abundance of several bacterial taxa were observed between samples from S+ and S− subjects, and between S+ samples collected pre- and post-anthelmintic treatment. Faecal metabolite analysis detected marked increases in the abundance of selected amino acids in S+ subjects, and of short chain fatty acids in S− subjects. Overall, our work adds valuable knowledge to current understanding of parasite-microbiota associations and will assist future mechanistic studies aimed to unravel the causality of these relationships.
format article
author Timothy P. Jenkins
Fabio Formenti
Cecilia Castro
Chiara Piubelli
Francesca Perandin
Dora Buonfrate
Domenico Otranto
Julian L. Griffin
Lutz Krause
Zeno Bisoffi
Cinzia Cantacessi
author_facet Timothy P. Jenkins
Fabio Formenti
Cecilia Castro
Chiara Piubelli
Francesca Perandin
Dora Buonfrate
Domenico Otranto
Julian L. Griffin
Lutz Krause
Zeno Bisoffi
Cinzia Cantacessi
author_sort Timothy P. Jenkins
title A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
title_short A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
title_full A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
title_fullStr A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
title_full_unstemmed A comprehensive analysis of the faecal microbiome and metabolome of Strongyloides stercoralis infected volunteers from a non-endemic area
title_sort comprehensive analysis of the faecal microbiome and metabolome of strongyloides stercoralis infected volunteers from a non-endemic area
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/c532b10f3103458694357cf986f8996e
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