Gene Regulatory Network

Gene Regulatory Network Photo
A gene regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins. There are primarily two ways that networks can evolve, both of which can occur simultaneously. The first is that network topology and the second way networks can evolve is by changing the strength of interactions between nodes. Another widely cited characteristic of gene regulatory network is their abundance of certain repetitive sub-networks known as network motifs. The enriched motifs have been proposed to follow convergent evolution. Regulatory networks allow bacteria to adapt to almost every environmental niche on earth. Formally most of the approaches are similar to an artificial neural network.

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