An information-theoretic framework for deciphering pleiotropic and noisy biochemical signaling
AuthorJetka, T; Nienaltowski, K; Filippi, S; Stumpf, MPH; Komorowski, M
Source TitleNature Communications
PublisherNATURE PUBLISHING GROUP
University of Melbourne Author/sStumpf, Michael
AffiliationSchool of BioSciences
Document TypeJournal Article
CitationsJetka, T., Nienaltowski, K., Filippi, S., Stumpf, M. P. H. & Komorowski, M. (2018). An information-theoretic framework for deciphering pleiotropic and noisy biochemical signaling. NATURE COMMUNICATIONS, 9 (1), https://doi.org/10.1038/s41467-018-07085-1.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC6214929
Many components of signaling pathways are functionally pleiotropic, and signaling responses are marked with substantial cell-to-cell heterogeneity. Therefore, biochemical descriptions of signaling require quantitative support to explain how complex stimuli (inputs) are encoded in distinct activities of pathways effectors (outputs). A unique perspective of information theory cannot be fully utilized due to lack of modeling tools that account for the complexity of biochemical signaling, specifically for multiple inputs and outputs. Here, we develop a modeling framework of information theory that allows for efficient analysis of models with multiple inputs and outputs; accounts for temporal dynamics of signaling; enables analysis of how signals flow through shared network components; and is not restricted by limited variability of responses. The framework allows us to explain how identity and quantity of type I and type III interferon variants could be recognized by cells despite activating the same signaling effectors.
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