Cited by 38Bioinformatics and Genomic NetworksBiomedical Text Mining and OntologiesGenomics and Phylogenetic Studies

Biological process linkage networks

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Dotan-Cohen, Dikla, Letovsky, Stan, Melkman, Avraham A., Kasif, Simon·2009·PLoS ONE

Abstract

BACKGROUND: The traditional approach to studying complex biological networks is based on the identification of interactions between internal components of signaling or metabolic pathways. By comparison, little is known about interactions between higher order biological systems, such as biological pathways and processes. We propose a methodology for gleaning patterns of interactions between biological processes by analyzing protein-protein interactions, transcriptional co-expression and genetic interactions. At the heart of the methodology are the concept of Linked Processes and the resultant network of biological processes, the Process Linkage Network (PLN). RESULTS: We construct, catalogue, and analyze different types of PLNs derived from different data sources and different species. When applied to the Gene Ontology, many of the resulting links connect processes that are distant from each other in the hierarchy, even though the connection makes eminent sense biologically. Some others, however, carry an element of surprise and may reflect mechanisms that are unique to the organism under investigation. In this aspect our method complements the link structure between processes inherent in the Gene Ontology, which by its very nature is species-independent. As a practical application of the linkage of processes we demonstrate that it can be effectively used in protein function prediction, having the power to increase both the coverage and the accuracy of predictions, when carefully integrated into prediction methods. CONCLUSIONS: Our approach constitutes a promising new direction towards understanding the higher levels of organization of the cell as a system which should help current efforts to re-engineer ontologies and improve our ability to predict which proteins are involved in specific biological processes.

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  • Developing a multiscale representation requires analyzing communities in biological networks at more than one scale, defining and identifying communities at each scale, and tracing containment to infer a hierarchical map.

    “Developing a multiscale representation requires analyzing communities in biological networks at more than one scale. Communities (clusters of highly interconnected nodes) are first defined and identified at each of multiple scales; subsequently, communities that are contained within other communities, in whole or in part, can be traced to infer a hierarchical map (Figure 2) (Dotan-Cohen et al., 20”

    From Mapping the multiscale structure of biological systems (2021) · cites this paper as Dotan-Cohen et al., 2009

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Authors
Dotan-Cohen, D., Letovsky, S., Melkman, A. A., & Kasif, S.
Affiliations
  • Ben-Gurion University of the Negev (IL)
  • Boston University (US)
Corresponding author
Dotan-Cohen, Dikla
Venue
PLoS ONE
Published
2009-04-23
Volume
4
Issue
4
Pages
e5313
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2003031595
Cited by
38
References
41
Citations by year
2025: 2 · 2021: 2 · 2019: 2 · 2018: 1 · 2017: 3 · 2016: 1 · 2015: 6 · 2014: 5 · 2013: 4 · 2012: 5
FWCI
1.61
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • OpenBU (Boston University) (submittedVersion)
Funders
  • National Science Foundation
  • National Institutes of Health (5r01hg003367-03, LM008748)
  • National Human Genome Research Institute (R01 HG003367, R01 HG003367-01A1, R33HG002850, HG003367)
  • U.S. National Library of Medicine (U54LM008748)
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 › Genomics and Phylogenetic Studies
Keywords
protein-protein interaction, genetic interactions, Gene Ontology, protein function prediction
MeSH terms
Algorithms, Biological Phenomena, Proteins, Saccharomyces cerevisiae, Computational Biology, Protein Interaction Mapping, Databases, Protein, Gene Regulatory Networks

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