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Title: American Gut: an Open Platform for Citizen Science Microbiome Research

Journal Article · · mSystems
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ABSTRACT Although much work has linked the human microbiome to specific phenotypes and lifestyle variables, data from different projects have been challenging to integrate and the extent of microbial and molecular diversity in human stool remains unknown. Using standardized protocols from the Earth Microbiome Project and sample contributions from over 10,000 citizen-scientists, together with an open research network, we compare human microbiome specimens primarily from the United States, United Kingdom, and Australia to one another and to environmental samples. Our results show an unexpected range of beta-diversity in human stool microbiomes compared to environmental samples; demonstrate the utility of procedures for removing the effects of overgrowth during room-temperature shipping for revealing phenotype correlations; uncover new molecules and kinds of molecular communities in the human stool metabolome; and examine emergent associations among the microbiome, metabolome, and the diversity of plants that are consumed (rather than relying on reductive categorical variables such as veganism, which have little or no explanatory power). We also demonstrate the utility of the living data resource and cross-cohort comparison to confirm existing associations between the microbiome and psychiatric illness and to reveal the extent of microbiome change within one individual during surgery, providing a paradigm for open microbiome research and education. IMPORTANCEWe show that a citizen science, self-selected cohort shipping samples through the mail at room temperature recaptures many known microbiome results from clinically collected cohorts and reveals new ones. Of particular interest is integratingn= 1 study data with the population data, showing that the extent of microbiome change after events such as surgery can exceed differences between distinct environmental biomes, and the effect of diverse plants in the diet, which we confirm with untargeted metabolomics on hundreds of samples.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC)
Contributing Organization:
American Gut Project (AGP)
Grant/Contract Number:
AC02-06CH11357; AC05-76RL01830
OSTI ID:
1493907
Alternate ID(s):
OSTI ID: 1504427
Report Number(s):
PNNL-SA-113423; 148306
Journal Information:
mSystems, Vol. 3, Issue 3; ISSN 2379-5077
Publisher:
American Society for MicrobiologyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 404 works
Citation information provided by
Web of Science

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Defining Dysbiosis for a Cluster of Chronic Diseases journal September 2019
Open Humans: A platform for participant-centered research and personal data exploration journal June 2019
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A Lot on Your Plate? Well-to-Well Contamination as an Additional Confounder in Microbiome Sequence Analyses journal August 2019
Human Skin, Oral, and Gut Microbiomes Predict Chronological Age journal February 2020
Racial Differences in the Oral Microbiome: Data from Low-Income Populations of African Ancestry and European Ancestry journal December 2019
Guidelines for Transparency on Gut Microbiome Studies in Essential and Experimental Hypertension journal December 2019
Convergence of human and Old World monkey gut microbiomes demonstrates the importance of human ecology over phylogeny journal October 2019
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Figures / Tables (6)