Cited by 157Bioinformatics and Genomic NetworksBiomedical Text Mining and OntologiesGene Regulatory Network Analysis

Systematic Functional Annotation and Visualization of Biological Networks

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Baryshnikova, Anastasia·2016·Cell Systems

Published version of a preprint

Abstract

ABSTRACT Large-scale biological networks map functional connections between most genes in the genome and can potentially uncover high level organizing principles governing cellular functions. These networks, however, are famously complex and often regarded as disordered masses of tangled interactions (“hairballs”) that are nearly impenetrable to biologists. As a result, our current understanding of network functional organization is very limited. To address this problem, I developed a systematic quantitative approach for annotating biological networks and examining their functional structure. This method, named Spatial Analysis of Functional Enrichment (SAFE), detects network regions that are statistically overrepresented for a functional group or a quantitative phenotype of interest, and provides an intuitive visual representation of their relative positioning within the network. By successfully annotating the Saccharomyces cerevisiae genetic interaction network with Gene Ontology terms, SAFE proved to be sensitive to functional signals and robust to noise. In addition, SAFE annotated the network with chemical genomic data and uncovered a new potential mechanism of resistance to the anti-cancer drug bortezomib. Finally, SAFE showed that protein-protein interactions, despite their apparent complexity, also have a high level functional structure. These results demonstrate that SAFE is a powerful new tool for examining biological networks and advancing our understanding of the functional organization of the cell.

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Crossref · 10.1016/j.cels.2016.04.014

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  1. Kobourov, S.G. (2012). Spring Embedders and Force Directed Graph Drawing Algorithms. arXiv:12013011v1.

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Authors
Baryshnikova, A.
Affiliations
Princeton University (US)
Corresponding author
Baryshnikova, Anastasia
Venue
Cell Systems
Publisher
Elsevier BV
Published
2016-06
Volume
2
Issue
6
Pages
412-421
ISSN
2405-4712 (ISSN-L)
OpenAlex
W2949573120
Cited by
148
References
66
Citations by year
2026: 11 · 2025: 11 · 2024: 15 · 2023: 10 · 2022: 15 · 2021: 20 · 2020: 18 · 2019: 14 · 2018: 16 · 2017: 15 · 2016: 2
FWCI
6.69
Type
journal article
Language
en
Open access
Locations
  • Cell Systems (publishedVersion, cc-by-nc-nd)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
Princeton University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biomedical Text Mining and Ontologies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
functional enrichment, network visualization, gene interaction networks, protein-protein interaction network, Gene Ontology, Saccharomyces cerevisiae, chemical genomics, vesicle trafficking, bortezomib resistance
MeSH terms
Algorithms, Models, Biological, Saccharomyces cerevisiae, Protein Interaction Mapping, Databases, Genetic, Gene Regulatory Networks, Molecular Sequence Annotation, Protein Interaction Maps, Gene Ontology

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