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Table 6 Calculation of the MRCA of Ugandan type II and III isolates and reference strains based on their relationship to the divergence between Me49 and VEG

From: Whole genome sequencing of a natural recombinant Toxoplasma gondiistrain reveals chromosome sorting and local allelic variants

Chromosome Length* (bp) Minor SNPs Major SNPs MRCA Me49/UgII (years) MRCA VEG/UgIII (years)
Type II      
   II 2,302,931 125 4,370 4,291  
   IV 2,576,468 236 4,731 7,483  
   VI > 2.6 Mb 1,000,655 70 1,913 5,489  
   VIIa 4,502,211 135 8,663 2,338  
   IX 0.5-4 Mb 3,500,000 205 6,349 4,843  
   X 7,418,475 445 13,459 4,960  
   Total II 21,300,740 1,216 39,845 4,578  
Type III      
   Ib > 1.2 Mb 756,324 6 1,375   655
   III < 1.9 Mb 1,900,000 33 3,953   1,252
   V 3,147,601 80 5,725   2,096
   VIIb < 2.5 Mb 2,500,000 43 5,069   1,272
   VIII > 4 Mb 2,923,375 49 6,268   1,173
   XII < 1.5 Mb 1,500,000 69 3,259   3,176
   Total III 12,727,300 280 25,648   1,638
  1. The divergence between Ugandan and reference strains were calculated based on their relationship to the divergence between Me49 and VEG, with the MRCA estimated to be at 150,000 years ago [27]. A more comprehensive version is provided in Additional data file 4. *Length of regions with a major SNP type. MRCA, most recent common ancestor.