Fig. 1From: Genome analysis identifies a spontaneous nonsense mutation in ppsD leading to attenuation of virulence in laboratory-manipulated Mycobacterium tuberculosisAnalysis of ppsD sequence in M. tb strains. a Schematic representation of the PDIM locus of M. tb H37Rv. b Confirmation of SNP in ppsD gene of Comp1 by PCR amplification and sequencing. *indicates the position 4773 of G➞A SNP resulting in a TGA nonsense codon at W1591 (boxed)Back to article page