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The nucleotide usage patterns vary not only from organism to organism, but also between genes in the same genome. Each genome has its own characteristics. This unique identity, called genome signature, of a genome is multidimensional. One of the ways to probe into this area is to analyze the nucleotide sequence composition of the genome. In this paper, the nucleotide compositional structure of SARS...
Upstream regions in the DNA sequence are characterized by the presence of short regulatory motifs, which function as target binding sites for transcription factors. Finding two genes with common motifs in their regulatory regions may aid users in identifying co-regulated genes or inferring regulatory modules. By modelling pattern occurrences in the regulatory regions with Poisson statistics, this...
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