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. 2000 Jul 5;97(14):8192.

Table 2.

Mean percent pairwise differences at synonymous (% DS) and nonsynonymous (% DN) sites of three gene fragments

Gene (size) Distance enterocolitica (13)* pe→ent
thrA (393 bp) % DS 12.2 (0–40) 154 (144–176)
% DN 0.3 (0–1) 1.5 (1.0–2.2)
trpE (351 bp) % DS 3.7 (0–8.4) 146 (136–177)
% DN <0.06 3.0 (2.9–3.1)
manB (442 bp) % DS 154 (0–289) >100
% DN 14 (0–24) 16 (13–20)

 pe, Y. pestis; ent, Y. enterocolitica

*

The number of strains is indicated in parentheses after the species designation.