Cited by 80Gut microbiota and healthMetabolomics and Mass Spectrometry StudiesMicrobial Metabolic Engineering and Bioproduction

MiMeNet: Exploring microbiome-metabolome relationships using neural networks

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Reiman, Derek, Layden, Brian T., Dai, Yang·2021·PLOS Computational Biology

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Abstract

The advance in microbiome and metabolome studies has generated rich omics data revealing the involvement of the microbial community in host disease pathogenesis through interactions with their host at a metabolic level. However, the computational tools to uncover these relationships are just emerging. Here, we present MiMeNet, a neural network framework for modeling microbe-metabolite relationships. Using ten iterations of 10-fold cross-validation on three paired microbiome-metabolome datasets, we show that MiMeNet more accurately predicts metabolite abundances (mean Spearman correlation coefficients increase from 0.108 to 0.309, 0.276 to 0.457, and -0.272 to 0.264) and identifies more well-predicted metabolites (increase in the number of well-predicted metabolites from 198 to 366, 104 to 143, and 4 to 29) compared to state-of-art linear models for individual metabolite predictions. Additionally, we demonstrate that MiMeNet can group microbes and metabolites with similar interaction patterns and functions to illuminate the underlying structure of the microbe-metabolite interaction network, which could potentially shed light on uncharacterized metabolites through “Guilt by Association”. Our results demonstrated that MiMeNet is a powerful tool to provide insights into the causes of metabolic dysregulation in disease, facilitating future hypothesis generation at the interface of the microbiome and metabolomics.

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  • Many functional metabolomics studies do not measure functional properties of the metabolites themselves but determine function using correlation and guilt by association with known bioactive metabolites, transcription, or protein expression.

    “Many functional metabolomics studies do not measure functional properties of the metabolites themselves, but rather determine function using correlation and “guilt by association” with other known bioactive metabolites, transcription, or protein expression”

    From Connecting metabolome and phenotype: recent advances in functional metabolomics tools for the identification of bioactive natural products (2024) · cites this paper as [17]

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  1. [28]Le V, Quinn TP, Tran T, Venkatesh S. Deep in the Bowel: Highly Interpretable Neural Encoder-Decoder Networks Predict Gut Metabolites from Gut Microbiome. bioRxiv. 2019: 686394. 10.1101/686394 PMC7370527 32689932 · DOI
  2. [48]Parada Venegas D, De la Fuente MK, Landskron G, González MJ, Quera R, Dijkstra G, et al. Short Chain Fatty Acids (SCFAs)-Mediated Gut Epithelial and Immune Regulation and Its Relevance for Inflammatory Bowel Diseases. Front Immunol. 2019; 10(277). 10.3389/fimmu.2019.00277 30915065 PMC6421268 · DOI · Paper page

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Authors
Reiman, D., Layden, B. T., & Dai, Y.
Affiliations
University of Illinois Chicago (US)
Corresponding author
Dai, Yang
Venue
PLOS Computational Biology
Published
2021-05-17
Volume
17
Issue
5
Pages
e1009021
ISSN
  • 1553-734X (ISSN-L)
  • 1553-7358
OpenAlex
W3163924330
Cited by
80
References
69
Citations by year
2026: 14 · 2025: 10 · 2024: 17 · 2023: 21 · 2022: 13 · 2021: 5
FWCI
4.39
Type
journal article
Language
en
Open access
Locations
  • PLoS Computational Biology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health (R01DK104927, P30DK020595)
  • U.S. Department of Veterans Affairs (I01BX003382)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
microbiome-metabolome interactions, neural network modeling, guilt by association, host-microbe metabolic interactions
MeSH terms
Humans, Inflammatory Bowel Diseases, Neural Networks, Computer, Metabolome, Microbiota

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