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July 4th, 2025
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Orebro University
bioinformatics
biorxiv

OmniCorr: An R-package for visualizing putative host-microbiota interactions using multi-omics data

Gupta, S.Open in Google Scholar•Lai, W.Open in Google Scholar•Kobel, C. M.Open in Google Scholar•Aho, V. T. E.Open in Google Scholar•Vera-Ponce de Leon, A.Open in Google Scholar•La Rosa, S. L.Open in Google Scholar•Sandve, S. R.Open in Google Scholar•Pope, P. B.Open in Google Scholar•Hvidsten, T. R.Open in Google Scholar

Holo-omics leverages omics datasets to explore the interactions between hosts and their associated microbiomes. Although the generation of omics data from matching host and microbiome samples is steadily increasing, there remains a scarcity of computational tools capable of integrating and visualizing this data to facilitate the interpretation and prediction of host-microbiota interactions. We present OmniCorr, an R package designed to: (1) manage the complexity of omics data by clustering similar observations into modules, (2) visualize correlations of these modules across different omics layers, host-microbiota interfaces, and meta-data, and (3) identify statistically significant associations indicative of putative host-microbiota interactions. OmniCorr's utility is demonstrated using datasets from two systems: (i) Atlantic salmon, integrating host transcriptomics with metagenomics and metatranscriptomics to explore dietary impacts, and (ii) cattle, combining host proteomics with metaproteomics and metabolomics to investigate methane emission variability.

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