Multiplexing Biochemical Signals

Details Multiplexing Biochemical Signals Multiplexing Biochemical Signals

2010-08-03

arxiv.org/abs/1008.0576v1

Biology

Quantitative Biology

Molecular Networks

4 pages, 4 figures

Scientific paper

In this paper we show that living cells can multiplex biochemical signals, i.e. transmit multiple signals through the same signaling pathway simultaneously, and yet respond to them very specifically. We demonstrate how two binary input signals can be encoded in the concentration of a common signaling protein, which is then decoded such that each of the two output signals provides reliable information about one corresponding input. Under biologically relevant conditions the network can reach the maximum amount of information that can be transmitted, which is 2 bits.

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