Strain dropouts reveal interactions that govern the metabolic output of the gut microbiome.
ecology
metabolism
microbiome
Journal
Cell
ISSN: 1097-4172
Titre abrégé: Cell
Pays: United States
ID NLM: 0413066
Informations de publication
Date de publication:
22 06 2023
22 06 2023
Historique:
received:
11
07
2022
revised:
10
04
2023
accepted:
26
05
2023
pmc-release:
22
06
2024
medline:
26
6
2023
pubmed:
24
6
2023
entrez:
23
6
2023
Statut:
ppublish
Résumé
The gut microbiome is complex, raising questions about the role of individual strains in the community. Here, we address this question by constructing variants of a complex defined community in which we eliminate strains that occupy the bile acid 7α-dehydroxylation niche. Omitting Clostridium scindens (Cs) and Clostridium hylemonae (Ch) eliminates secondary bile acid production and reshapes the community in a highly specific manner: eight strains change in relative abundance by >100-fold. In single-strain dropout communities, Cs and Ch reach the same relative abundance and dehydroxylate bile acids to a similar extent. However, Clostridium sporogenes increases >1,000-fold in the ΔCs but not ΔCh dropout, reshaping the pool of microbiome-derived phenylalanine metabolites. Thus, strains that are functionally redundant within a niche can have widely varying impacts outside the niche, and a strain swap can ripple through the community in an unpredictable manner, resulting in a large impact on an unrelated community-level phenotype.
Identifiants
pubmed: 37352836
pii: S0092-8674(23)00589-5
doi: 10.1016/j.cell.2023.05.037
pmc: PMC10299816
mid: NIHMS1905469
pii:
doi:
Substances chimiques
Bile Acids and Salts
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2839-2852.e21Subventions
Organisme : NIDDK NIH HHS
ID : R01 DK101674
Pays : United States
Organisme : NHLBI NIH HHS
ID : P01 HL147823
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK130227
Pays : United States
Organisme : NIDDK NIH HHS
ID : DP1 DK113598
Pays : United States
Organisme : NIAAA NIH HHS
ID : P50 AA024333
Pays : United States
Organisme : Howard Hughes Medical Institute
Pays : United States
Informations de copyright
Copyright © 2023 Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests Stanford University and the Chan Zuckerberg Biohub have patents pending for microbiome technologies on which the authors are co-inventors. M.A.F. is a co-founder and director of Federation Bio and Kelonia, a co-founder of Revolution Medicines, an Innovation Partner at the Column Group, and a member of the scientific advisory board of NGM Bio.
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