Figure 1From: PhyTB: Phylogenetic tree visualisation and sample positioning for M. tuberculosis PhyTB screenshot: A phylogenetic tree for the 1,601 M. tuberculosis isolates (A), with each lineage colour coded (B). A selected SNP R463L in the katG gene (associated with isoniazid resistance) (C), is located at position 2,152,224, (D) and present across all but one lineage (4) (E).Back to article page