We present an expression for the power spectrum of the output signal of a biochemical network, which reveals that the reactions that allow a network to detect biochemical signals, induce correlations between the extrinsic noise of the input signals and the intrinsic noise of the reactions that form the network. We show that anticorrelations between the extrinsic and intrinsic noise enhance the robustness of zero-order ultrasensitive networks to biochemical noise. We discuss the consequences for a modular description of noise transmission using the mitogen-activated protein kinase cascade.
Signal detection, modularity, and the correlation between extrinsic and intrinsic noise in biochemical networks.
S. Tanase-Nicola,P. B. Warren,P. T. ten Wolde
Published 2005 in Physical Review Letters
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- Publication year
2005
- Venue
Physical Review Letters
- Publication date
2005-08-20
- Fields of study
Biology, Medicine, Physics
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Semantic Scholar, PubMed
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