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Han ND, Cheng J, Delannoy-Bruno O, Webber D, Terrapon N, Henrissat B, Rodionov DA, Arzamasov AA, Osterman AL, Hayashi DK, Meynier A, Vinoy S, Desai C, Marion S, Barratt MJ, Heath AC, Gordon JI. Microbial liberation of N-methylserotonin from orange fiber in gnotobiotic mice and humans. Cell 2022; 185:2495-2509.e11. [PMID: 35764090 DOI: 10.1016/j.cell.2022.06.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/23/2021] [Accepted: 06/03/2022] [Indexed: 12/13/2022]
Abstract
Plant fibers in byproduct streams produced by non-harsh food processing methods represent biorepositories of diverse, naturally occurring, and physiologically active biomolecules. To demonstrate one approach for their characterization, mass spectrometry of intestinal contents from gnotobiotic mice, plus in vitro studies, revealed liberation of N-methylserotonin from orange fibers by human gut microbiota members including Bacteroides ovatus. Functional genomic analyses of B. ovatus strains grown under permissive and non-permissive N-methylserotonin "mining" conditions revealed polysaccharide utilization loci that target pectins whose expression correlate with strain-specific liberation of this compound. N-methylserotonin, orally administered to germ-free mice, reduced adiposity, altered liver glycogenesis, shortened gut transit time, and changed expression of genes that regulate circadian rhythm in the liver and colon. In human studies, dose-dependent, orange-fiber-specific fecal accumulation of N-methylserotonin positively correlated with levels of microbiome genes encoding enzymes that digest pectic glycans. Identifying this type of microbial mining activity has potential therapeutic implications.
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Affiliation(s)
- Nathan D Han
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA
| | - Jiye Cheng
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA
| | - Omar Delannoy-Bruno
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA
| | - Daniel Webber
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Nicolas Terrapon
- Architecture et Fonction des Macromolécules Biologiques, CNRS, Aix-Marseille University, 13288 Marseille, France
| | - Bernard Henrissat
- Architecture et Fonction des Macromolécules Biologiques, CNRS, Aix-Marseille University, 13288 Marseille, France; Department of Biotechnology and Biomedicine (DTU Bioengineering), Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Dmitry A Rodionov
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Aleksandr A Arzamasov
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Andrei L Osterman
- Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | | | | | | | - Chandani Desai
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA
| | - Stacey Marion
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Michael J Barratt
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Andrew C Heath
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jeffrey I Gordon
- The Edison Family Center for Genome Sciences and Systems Biology, St. Louis, MO 63110, USA; Center for Gut Microbiome and Nutrition Research, St. Louis, MO 63110, USA.
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