Figure 2From: Genetic heterogeneity revealed by sequence analysis of Mycobacterium tuberculosis isolates from extra-pulmonary tuberculosis patientsPlot showing RSCU (Relative Synonymous Codon Usages) of isolate AC544 versus background ( M. tuberculosis H37Rv). If RSCU values in an isolate and background are the same then it will lie above the diagonal (red line).Back to article page