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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Tuberculosis (Edinb). 2008 Mar 4;88(4):283–294. doi: 10.1016/j.tube.2008.01.001

Figure 2.

Figure 2

Branched diagrams showing the relationships among the different alleles of the PE_PGRS16 and PE_PGRS26 genes based on the in-frame deletions, in-frame insertions, frameshifts, and SNPs identified within the two genes' sequences. For each of the observed PE_PGRS16 and PE_PGRS26 alleles, the number and percentage of the 200 clinical M. tuberculosis strains having a given allele are indicated. The length of the lines connecting the observed PE_PGRS alleles represents the number of differing sequence variations between the two alleles. The PE_PGRS16 gene sequence variations are described in Table 2 and the PE_PGRS26 gene sequence variations are described in Table 3.

* This PE_PGRS26 allele shares only the I2 insertion with the S1 I2 allele.