Monday, January 19, 2004

Gene Networks Here's an interesting, if rather technical, article from the Proceedings of the National Academy of Sciences. In it, the authors use techniques from evolutionary computation (in which computers are used to simulate processes from biological evolution, specifically natural selection sifting through random genetic variations, with the intention of thereby solving various problems in optimization theory) to understand the evolution of genetic regulatory networks.

By a regulatory network we mean a collection of genes whose primary function is to control the action of other genes. There are many such networks in the human genome, many quite large and complex. The computer algorithms described by the authors shed some light on how these complex networks can evolve from several simpler components.


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