Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota

The human intestinal microbiota plays a fundamental role in host health and is associated with many diseases when the homeostasis is disturbed. Although recent achievements in metagenomic sequencing have begun to reveal the variety of microbial composition associated with healthy and disease states,...

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Main Authors: Amy Wu, David Ross
Format: Article
Language:English
Published: MDPI AG 2016-09-01
Series:Games
Subjects:
Online Access:http://www.mdpi.com/2073-4336/7/3/26
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author Amy Wu
David Ross
author_facet Amy Wu
David Ross
author_sort Amy Wu
collection DOAJ
description The human intestinal microbiota plays a fundamental role in host health and is associated with many diseases when the homeostasis is disturbed. Although recent achievements in metagenomic sequencing have begun to reveal the variety of microbial composition associated with healthy and disease states, species-specific interactions and systematic dynamics still pose a great challenge to resolve the complexity of human microbiota. Using Clostridium difficile infection in human intestinal microbiota as an example, we apply evolutionary game theory to gain a fundamental understanding of the phenotypic variability and dynamic progression of microbiota. Here, microbiota dynamics are determined by the frequency-dependent fitness of each phenotypic population in the presence of the others. More specifically, the fitness is a function of phenotypic composition of the microbiota. We show how the phenotypic variability of microbiota can be explained by game theoretical approach. Knowledge of this study provides a new perspective in administrating antibiotic when dealing with pathogenic invasion. Instead of solely targeting to pathogens, therapies should aim at the whole ecosystem by reducing the fitness of pathogens compared to that of commensal microbes. In this case, the system will eradicate the pathogens by itself.
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spelling doaj.art-7bae4762148a4ad1b4a5ea607100725b2022-12-22T01:34:00ZengMDPI AGGames2073-43362016-09-01732610.3390/g7030026g7030026Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal MicrobiotaAmy Wu0David Ross1Material Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USAMaterial Measurement Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899, USAThe human intestinal microbiota plays a fundamental role in host health and is associated with many diseases when the homeostasis is disturbed. Although recent achievements in metagenomic sequencing have begun to reveal the variety of microbial composition associated with healthy and disease states, species-specific interactions and systematic dynamics still pose a great challenge to resolve the complexity of human microbiota. Using Clostridium difficile infection in human intestinal microbiota as an example, we apply evolutionary game theory to gain a fundamental understanding of the phenotypic variability and dynamic progression of microbiota. Here, microbiota dynamics are determined by the frequency-dependent fitness of each phenotypic population in the presence of the others. More specifically, the fitness is a function of phenotypic composition of the microbiota. We show how the phenotypic variability of microbiota can be explained by game theoretical approach. Knowledge of this study provides a new perspective in administrating antibiotic when dealing with pathogenic invasion. Instead of solely targeting to pathogens, therapies should aim at the whole ecosystem by reducing the fitness of pathogens compared to that of commensal microbes. In this case, the system will eradicate the pathogens by itself.http://www.mdpi.com/2073-4336/7/3/26evolutionary game theorymicrobiotacommensal bacteriapathogenic bacteria
spellingShingle Amy Wu
David Ross
Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
Games
evolutionary game theory
microbiota
commensal bacteria
pathogenic bacteria
title Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
title_full Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
title_fullStr Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
title_full_unstemmed Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
title_short Evolutionary Game between Commensal and Pathogenic Microbes in Intestinal Microbiota
title_sort evolutionary game between commensal and pathogenic microbes in intestinal microbiota
topic evolutionary game theory
microbiota
commensal bacteria
pathogenic bacteria
url http://www.mdpi.com/2073-4336/7/3/26
work_keys_str_mv AT amywu evolutionarygamebetweencommensalandpathogenicmicrobesinintestinalmicrobiota
AT davidross evolutionarygamebetweencommensalandpathogenicmicrobesinintestinalmicrobiota