Volume 93, Number 5, March 2011
|Number of page(s)||6|
|Published online||04 March 2011|
Synthetic gene networks as potential flexible parallel logic gates
RIKEN Brain Science Institute - 2-1 Hirosawa, Wakoshi, Saitama 351-0198, Japan
2 Indian Institute of Science Education and Research (IISER) Mohali, Transit Campus: MGSIPAP Complex, Sector 26 - Chandigarh 160 019, India
3 Institute of Industrial Science, University of Tokyo - 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
4 FIRST, Aihara Innovative Mathematical Modelling Project - Japan
Accepted: 4 February 2011
We show how a synthetic gene network can function, in an optimal window of noise, as a robust logic gate. Interestingly, noise enhances the reliability of the logic operation. Further, the noise level can also be used to switch logic functionality, for instance toggle between AND, OR and XOR gates. We also consider a two-dimensional model of a gene network, where we show how two complementary gate operations can be achieved simultaneously. This indicates the flexible parallel processing potential of this biological system.
PACS: 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2011
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