Figure 2From: PhyTB: Phylogenetic tree visualisation and sample positioning for M. tuberculosis PhyTB screenshot: A map view showing the frequency of the G876G SNP in the rpoB gene (searchable from (A)) and its association with lineage 3 strain-types in Malawi. Pie chart (B) shows the non-reference allele frequency (red segment, inner circle) is linked to the CAS spoligotype (blue segment, outer circle).Back to article page