G+C deviation

Statistical analyses of conserved features of genomic islands in bacteria

F. - B. Guo, Xia, Z. - K., Wei, W., and Zhao, H. - L., Statistical analyses of conserved features of genomic islands in bacteria, vol. 13, pp. 1782-1793, 2014.

We performed statistical analyses of five conserved features of genomic islands of bacteria. Analyses were made based on 104 known genomic islands, which were identified by comparative methods. Four of these features include sequence size, abnormal G+C content, flanking tRNA gene, and embedded mobility gene, which are frequently investigated. One relatively new feature, G+C homogeneity, was also investigated. Among the 104 known genomic islands, 88.5% were found to fall in the typical length of 10-200 kb and 80.8% had G+C deviations with absolute values larger than 2%.

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