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A commensal-encoded genotoxin drives restriction of Vibrio cholerae colonization and host gut microbiome remodeling
Journal article   Open access

A commensal-encoded genotoxin drives restriction of Vibrio cholerae colonization and host gut microbiome remodeling

Jiandong Chen, Hyuntae Byun, Rui Liu, I-Ji Jung, Qinqin Pu, Clara Y Zhu, Ethan Tanchoco, Salma Alavi, Patrick H Degnan, Amy T Ma, …
Proceedings of the National Academy of Sciences - PNAS, v 119(11), pp e2121180119-e2121180119
15 Mar 2022
PMID: 35254905
url
https://doi.org/10.1073/pnas.2121180119View
Published, Version of Record (VoR)CC BY-NC-ND V4.0 Open

Abstract

Animals Antibiosis Cholera - microbiology Cholera - mortality Disease Models, Animal DNA Damage Escherichia coli - physiology Gastrointestinal Microbiome Host-Pathogen Interactions Humans Mice Microbial Interactions Mutagens - metabolism Peptides - metabolism Peptides - pharmacology Polyketides - metabolism Polyketides - pharmacology Prognosis Reactive Oxygen Species Vibrio cholerae - drug effects Vibrio cholerae - physiology
SignificanceIn a polymicrobial battlefield where different species compete for nutrients and colonization niches, antimicrobial compounds are the sword and shield of commensal microbes in competition with invading pathogens and each other. The identification of an -produced genotoxin, colibactin, and its specific targeted killing of enteric pathogens and commensals, including and , sheds light on our understanding of intermicrobial interactions in the mammalian gut. Our findings elucidate the mechanisms through which genotoxins shape microbial communities and provide a platform for probing the larger role of enteric multibacterial interactions regarding infection and disease outcomes.

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Collaboration types
Domestic collaboration
Web of Science research areas
Microbiology
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