TABLE 1

Sequences used in analyses

DomainGroupComparisonNo. of
 orthologous
 gene pairsdN/dSaGC3 (%)a
BacteriaMesophilesBacillus halodurans C-125 vs. B. subtilis 9680.541 ± 0.01152.3 ± 0.2
Brucella melitensis vs. B. suis 4720.408 ± 0.02166.6 ± 0.3
Buchnera aphidicola vs. Buchnera sp. APs 3540.101 ± 0.00414.9 ± 0.1
Clostridium acetobulyticum vs. C. perfringens 5930.121 ± 0.00318.8 ± 0.1
Corynebacterium efficiens YS-314 vs. C. glutamicum12590.088 ± 0.00270.4 ± 0.1
Escherichia coli K12 vs. Salmonella typhimurium LT215370.088 ± 0.00357.1 ± 0.2
Listeria monocytogenes EGD-e vs. L. innocua13550.054 ± 0.00229.6 ± 0.1
Mycobacterium leprae vs. M. tuberculosis H37Rv 8090.103 ± 0.00374.8 ± 0.2
Mycoplasma genitalium vs. M. pneumoniae 1030.085 ± 0.00533.5 ± 0.6
Neisseria meningitidis MC58 vs. N. meningitidis Z249110410.186 ± 0.00963.2 ± 0.3
Pseudomonas aeruginosa vs. P. putida KT244013570.112 ± 0.00282.4 ± 0.2
Rickettsia conorii Malish 7 vs. R. prozawekii 6120.125 ± 0.00420.6 ± 0.1
Staphylococcus aureus MW2 vs. S. aureus N315 9390.138 ± 0.00822.8 ± 0.1
Streptococcus agalactiae 2603V/R vs. S. pyogenes 7290.092 ± 0.00328.2 ± 0.2
Tropheryma whipplei str. Twist vs. T. whipplei str. TW08/27 3080.216 ± 0.00242.7 ± 0.3
Xanthomonas axonopodis p. citri str. 306 vs. X. campestris18450.077 ± 0.00281.8 ± 0.1
ThermophilesThermoanaerobacter ethanolicus vs. T. tengcongensis   90.124 ± 0.02332.3 ± 1.0
Thermotoga maritima vs. T. neapolitana  640.091 ± 0.00954.7 ± 0.6
Thermus aquaticus vs. T. thermus  160.073 ± 0.01991.4 ± 1.7
ArchaeaMesophilesMethanosarcina acetivorans str. C2A vs. M. mazei Goe14520.131 ± 0.00247.5 ± 0.2
ThermophilesPyrococcus abyssi vs. P. horokoshii11260.086 ± 0.00246.9 ± 0.2
Sulfolobus solfataricus vs. S. tokodaii10090.085 ± 0.00125.9 ± 0.1
  • a Mean ± standard error.