Reliability of frequency- and amplitude-decoding in gene regulation

Details Reliability of frequency- and amplitude-decoding in gene regulation Reliability of frequency- and amplitude-decoding in gene regulation

2012-02-07

arxiv.org/abs/1202.1447v1

Phys. Rev. Lett. 108, 108104 (2012)

Biology

Quantitative Biology

Subcellular Processes

5 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.108.108104

In biochemical signaling, information is often encoded in oscillatory signals. However, the advantages of such a coding strategy over an amplitude encoding scheme of constant signals remain unclear. Here we study the dynamics of a simple model gene promoter in response to oscillating and constant transcription factor signals. We find that in biologically-relevant parameter regimes an oscillating input can produce a more constant protein level than a constant input. Our results suggest that oscillating signals may be used to minimize noise in gene regulation.

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