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Polymer Microarrays for High Throughput Discovery of Biomaterials
Published on: January 25, 2012
Robust monomer-distribution biosignatures in evolving digital biota
1Computation and Neural Systems, California Institute of Technology, Pasadena, California, USA.
Abstract:
Because organisms synthesize component molecules at rates that reflect those molecules' adaptive utility, we expect a population of biota to leave a distinctive chemical signature on its environment that is anomalous given the local (abiotic) chemistry. We observe the same effect in the distribution of computer instructions used by an evolving population of digital organisms, and we characterize the robustness of the evolved signature with respect to a number of different changes in the system's physics. The observed instruction abundance anomaly has features that are consistent over a large number of evolutionary trials and alterations in system parameters, which makes it a candidate for a non-Earth-centric life diagnostic.
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