Figure 3.

Maximum-likelihood codon bias (MCB) analysis. The GC content at the third sites of N. apis and N. ceranae genes was plotted against codon bias of genes of N. apis and N. ceranae genomes individually. MCB analysis reflects that the level of correlation between codon usage bias and GC content at the silent sites is higher in N. ceranae than in N. apis.

Chen et al. BMC Genomics 2013 14:451   doi:10.1186/1471-2164-14-451
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