Chemical basis of microbiome preference in the nematode C. elegans

Abstract Animals are exposed to many microbes in their environment, some of which have been shown to colonize various tissues including the intestine. The composition of the intestinal microbiota affects many aspects of the host’s physiology and health. Despite this, very little is known about wheth...

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Main Authors: Victor Z. Chai, Tiam Farajzadeh, Yufei Meng, Sokhna B. Lo, Tymmaa A. Asaed, Charles J. Taylor, Elizabeth E. Glater
Format: Article
Language:English
Published: Nature Portfolio 2024-01-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-024-51533-6
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author Victor Z. Chai
Tiam Farajzadeh
Yufei Meng
Sokhna B. Lo
Tymmaa A. Asaed
Charles J. Taylor
Elizabeth E. Glater
author_facet Victor Z. Chai
Tiam Farajzadeh
Yufei Meng
Sokhna B. Lo
Tymmaa A. Asaed
Charles J. Taylor
Elizabeth E. Glater
author_sort Victor Z. Chai
collection DOAJ
description Abstract Animals are exposed to many microbes in their environment, some of which have been shown to colonize various tissues including the intestine. The composition of the intestinal microbiota affects many aspects of the host’s physiology and health. Despite this, very little is known about whether host behavior contributes to the colonization. We approach this question in the nematode C. elegans, which feeds on bacteria and also harbors an intestinal microbiome. We examined the behavior of C. elegans towards CeMbio, a simplified microbiome consisting of twelve strains that represent the bacteria found in the animal’s natural environment. We observed that C. elegans raised on E. coli shows a strong preference for three members of CeMbio (Lelliottia amnigena JUb66, Enterobacter hormaechei CEent1, and Pantoea nemavictus BIGb0393) compared to E. coli. Previously, these three bacterial strains have been shown to support faster C. elegans development time than E. coli OP50 and are low colonizers compared to eight other members of CeMbio. We then used gas chromatography coupled to mass spectrometry to identify that these three bacteria release isoamyl alcohol, a previously described C. elegans chemoattractant. We suggest that C. elegans seeks bacteria that release isoamyl alcohol and support faster growth.
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spelling doaj.art-e1679926304c49e39819359c5ee2680d2024-01-21T12:21:52ZengNature PortfolioScientific Reports2045-23222024-01-011411810.1038/s41598-024-51533-6Chemical basis of microbiome preference in the nematode C. elegansVictor Z. Chai0Tiam Farajzadeh1Yufei Meng2Sokhna B. Lo3Tymmaa A. Asaed4Charles J. Taylor5Elizabeth E. Glater6Department of Neuroscience, Pomona CollegeDepartment of Chemistry, Pomona CollegeDepartment of Neuroscience, Pomona CollegeDepartment of Neuroscience, Pomona CollegeDepartment of Neuroscience, Pomona CollegeDepartment of Chemistry, Pomona CollegeDepartment of Neuroscience, Pomona CollegeAbstract Animals are exposed to many microbes in their environment, some of which have been shown to colonize various tissues including the intestine. The composition of the intestinal microbiota affects many aspects of the host’s physiology and health. Despite this, very little is known about whether host behavior contributes to the colonization. We approach this question in the nematode C. elegans, which feeds on bacteria and also harbors an intestinal microbiome. We examined the behavior of C. elegans towards CeMbio, a simplified microbiome consisting of twelve strains that represent the bacteria found in the animal’s natural environment. We observed that C. elegans raised on E. coli shows a strong preference for three members of CeMbio (Lelliottia amnigena JUb66, Enterobacter hormaechei CEent1, and Pantoea nemavictus BIGb0393) compared to E. coli. Previously, these three bacterial strains have been shown to support faster C. elegans development time than E. coli OP50 and are low colonizers compared to eight other members of CeMbio. We then used gas chromatography coupled to mass spectrometry to identify that these three bacteria release isoamyl alcohol, a previously described C. elegans chemoattractant. We suggest that C. elegans seeks bacteria that release isoamyl alcohol and support faster growth.https://doi.org/10.1038/s41598-024-51533-6
spellingShingle Victor Z. Chai
Tiam Farajzadeh
Yufei Meng
Sokhna B. Lo
Tymmaa A. Asaed
Charles J. Taylor
Elizabeth E. Glater
Chemical basis of microbiome preference in the nematode C. elegans
Scientific Reports
title Chemical basis of microbiome preference in the nematode C. elegans
title_full Chemical basis of microbiome preference in the nematode C. elegans
title_fullStr Chemical basis of microbiome preference in the nematode C. elegans
title_full_unstemmed Chemical basis of microbiome preference in the nematode C. elegans
title_short Chemical basis of microbiome preference in the nematode C. elegans
title_sort chemical basis of microbiome preference in the nematode c elegans
url https://doi.org/10.1038/s41598-024-51533-6
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