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Automatic creation of a genetic network for the lac operon from observed data by means of genetic programming

, , and . First International Conference on Systems Biology (ICSB), Tokyo, (14-16 November 2000)

Abstract

This paper demonstrates that it is possible to use genetic programming to automatically create (reverse engineer) a computer program representing the logic underlying the genetic network for the expression level of the lac operon (composed of the Z, Y, and A genes) as measured by its mRNA. Genetic programming starts with observed time-domain expression levels of two genes (REPRESSOR or CAP) and the concentrations of two substances (GLUCOSE or LACTOSE) and automatically creates both a topological arrangement of conditional and comparative functions as well as all necessary numerical parameters of a genetic network whose behavior matches observed time-domain data.

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