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DeepToA: An Ensemble Deep-Learning Approach to Predicting the Theater of Activity of a Microbiome

Wenhuan Zeng, Anupam Gautam, Daniel H. Huson
doi: https://doi.org/10.1101/2022.04.04.486969
Wenhuan Zeng
1Institute for Bioinformatics and Medical Informatics, University of Tübingen, Tübingen, 72076, Germany
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Anupam Gautam
1Institute for Bioinformatics and Medical Informatics, University of Tübingen, Tübingen, 72076, Germany
2International Max Planck Research School “From Molecules to Organisms”, Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, Tübingen, 72076, Germany
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Daniel H. Huson
1Institute for Bioinformatics and Medical Informatics, University of Tübingen, Tübingen, 72076, Germany
2International Max Planck Research School “From Molecules to Organisms”, Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, Tübingen, 72076, Germany
3Cluster of Excellence: Controlling Microbes to Fight Infection, Tübingen, Germany
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  • For correspondence: daniel.huson@uni-tuebingen.de
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Abstract

Motivation Metagenomics is the study of microbiomes using DNA sequencing. A microbiome consists of an assemblage of microbes that is associated with a “theater of activity” (ToA). To what degree does the taxonomic and functional content of the former depend on the (details of the) latter? More technically, given a taxonomic and/or functional profile estimated from metagenomic sequencing data, how to predict the associated ToA? Here we present a deep learning approach to this question. We use both taxonomic and functional profiles as input. We apply node2vec to embed hierarchical taxonomic profiles into numerical vectors. We then perform dimension reduction using clustering, to address the sparseness of the taxonomic data and thus make it more amenable to deep learning algorithms. Functional features are combined with textual descriptions of protein families or domains. We present an ensemble deep-learning framework DeepToA for predicting the ‘theater of activity” of microbial community, based on taxonomic and functional profiles. We use SHAP (SHapley Additive exPlanations) values to determine which taxonomic and functional features are important for the prediction.

Results Based on 7,560 metagenomic profiles downloaded from MGnify, classified into ten different theaters of activity, we demonstrate that DeepToA has an accuracy of 98.61%. We show that adding textual information to functional features increases the accuracy.

Availability Our approach is available at http://ab.inf.uni-tuebingen.de/software/deeptoa.

Contact daniel.huson{at}uni-tuebingen.de

Supplementary information Supplementary data are available at Bioinformatics online.

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • http://ab.inf.uni-tuebingen.de/software/deeptoa

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
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Posted April 05, 2022.
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DeepToA: An Ensemble Deep-Learning Approach to Predicting the Theater of Activity of a Microbiome
Wenhuan Zeng, Anupam Gautam, Daniel H. Huson
bioRxiv 2022.04.04.486969; doi: https://doi.org/10.1101/2022.04.04.486969
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DeepToA: An Ensemble Deep-Learning Approach to Predicting the Theater of Activity of a Microbiome
Wenhuan Zeng, Anupam Gautam, Daniel H. Huson
bioRxiv 2022.04.04.486969; doi: https://doi.org/10.1101/2022.04.04.486969

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