Molecular messages in human microbiota

Multiple approaches reveal the molecular wealth from the gut microbiome The roughly 1 trillion bacteria typically living in and on a human sense and respond to their environment with diffusible small molecules. Some of these molecules also affect their human hosts or neighboring microbes. There are...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2019-12, Vol.366 (6471), p.1309-1310
Main Authors: Henke, Matthew T., Clardy, Jon
Format: Article
Language:English
Subjects:
Antibiotics
Bacteria
Correlation analysis
Gene deletion
Human behavior
Humans
Immune response
Metabolites
Metagenome
Microbiota
Microorganisms
PERSPECTIVES
Population studies
Populations
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Summary:Multiple approaches reveal the molecular wealth from the gut microbiome The roughly 1 trillion bacteria typically living in and on a human sense and respond to their environment with diffusible small molecules. Some of these molecules also affect their human hosts or neighboring microbes. There are numerous studies correlating bacterial populations, or changes in bacterial populations, with health or disease, but only a few of the molecules and mechanisms that underlie these correlations have been identified ( 1 – 3 ). Two systematic approaches to identify these bacterially produced molecules and their associated functions are described in this issue. On page 1332, Sugimoto et al. ( 4 ) describe how bioinformatic analysis of metagenomes—the collective genes of a microbial community—can reveal previously unknown bacterial metabolites that may function as antibiotics. On page 1331, Guo et al. ( 5 ) describe a gene-deletion approach that discovered the ability of known bacterial metabolites to affect human immune responses.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.aaz4164