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Table 1 Comparison of nucleotide diversity in core genes and homoplasy in the encoded proteins of H. pylori

From: Recombination-independent rapid convergent evolution of the gastric pathogen Helicobacter pylori

  Complete set (38 strains) ‘Local’ (Amerindian) subset (12 strains) ‘Global’ subset (12 strains)
core genes analyzed 992 1106 1200
diversity, π 3.81 ± 0.03% 2.25 ± 0.02% 4.21 ± 0.03%
dN 1.44 ± 0.03% 0.91 ± 0.02% 1.74 ± 0.04%
dS 14.14 ± 0.11% 7.79 ± 0.08% 15.23 ± 0.13%
genes showing homoplasy in encoded proteins 971 963 1126
amino acid positions with repeated changes 7.85 ± 0.15% 2.33 ± 0.06% 5.10 ± 0.11%
recombinant genes 488 258 490
amino acid positions with repeated changes in encoded proteins of recombinant genes 9.03 ± 0.20% 2.83 ± 0.12% 6.02 ± 0.18%
non-recombinant genes 504 848 710
amino acid positions with repeated changes in encoded proteins of non-recombinant genes 6.66 ± 0.21% 2.15 ± 0.07% 4.40 ± 0.13%
  1. The mean values are denoted in percentages along with their standard error values