Literature DB >> 20052474

Goldbeter-Koshland model for open signaling cascades: a mathematical study.

Yongfeng Li1, Jeyaraman Srividhya.   

Abstract

A modified Goldbeter-Koshland (GK) type model is proposed to study the open signaling cascade with forward activation. Three different regimes related to the ultrasensitivity are clearly defined. When the cascade is sufficiently long, the steady states in the downstream cycles exhibit a limiting behavior. Meanwhile, a temporal switch-like behavior is revealed in the pre-ultrasensitivity regime without any feedback circuitry. A detailed analysis of this phenomenon is provided.

Mesh:

Year:  2010        PMID: 20052474     DOI: 10.1007/s00285-009-0322-3

Source DB:  PubMed          Journal:  J Math Biol        ISSN: 0303-6812            Impact factor:   2.259


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  4 in total

1.  A generic model for open signaling cascades with forward activation.

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Journal:  J Math Biol       Date:  2011-10-16       Impact factor: 2.259

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