Table 1

Selection and population growth test statistics from six loci of 45 different V. fischeri strains

Locus fragmentωaTajima's Db,cFu and Li's Dc,dFu and Li's Fc,dFu's Fsc,dR2e
SηAAf
recA0.0122 (0.0020, 0.0376)−0.744−0.860−1.475−1.201−1.311−3.5780.083
mdh0.0115 (0.0036, 0.0268)0.8280.308−0.9550.2190.561−1.1560.137
ainS0.1799 (0.1488, 0.2152)2.423 (0.005)1.736 (0.044)2.0210.7551.781 (0.022)−0.3170.186
katA0.0402 (0.0221, 0.0661)0.7010.4100.5300.0210.363−0.2440.131
pyrC0.0263 (0.0136, 0.0450)0.004−0.221−1.4760.2670.228−3.0940.109
luxA0.0642 (0.0525, 0.0776)3.034 (<0.001)1.706 (0.020)2.890 (<0.001)1.964 (<0.001)2.979 (<0.001)19.610 (<0.001)0.207 (<0.001)
Locus fragmentωaTajima's Db,cFu and Li's Dc,dFu and Li's Fc,dFu's Fsc,dR2e
SηAAf
recA0.0122 (0.0020, 0.0376)−0.744−0.860−1.475−1.201−1.311−3.5780.083
mdh0.0115 (0.0036, 0.0268)0.8280.308−0.9550.2190.561−1.1560.137
ainS0.1799 (0.1488, 0.2152)2.423 (0.005)1.736 (0.044)2.0210.7551.781 (0.022)−0.3170.186
katA0.0402 (0.0221, 0.0661)0.7010.4100.5300.0210.363−0.2440.131
pyrC0.0263 (0.0136, 0.0450)0.004−0.221−1.4760.2670.228−3.0940.109
luxA0.0642 (0.0525, 0.0776)3.034 (<0.001)1.706 (0.020)2.890 (<0.001)1.964 (<0.001)2.979 (<0.001)19.610 (<0.001)0.207 (<0.001)
a

Ka/Ks or dN/dS: Ratio of the number of non-synonymous substitutions per non-synonymous site to the number of synonymous substitutions per synonymous site, calculated using the SLAC method (95% confidence interval in parentheses).

b

Tajima's D test statistic calculated using the nucleotide sequence and the total number of segregating sites (S), total mutations (η) or the amino-acid sequence and the total number of segregating sites (AA).

c

Statistical significance of test statistic (given in parentheses if P<0.05) was calculated from 103 neutral coalescence simulations by using segregating sites with an intermediate level of recombination.

d

Fu and Li's D and F, and Fu's Fs test statistics were calculated by using total segregating sites.

e

Population growth test statistic of Ramos-Onsis and Rozas (Ramos-Onsins and Rozas, 2002); the test statistic distribution and statistical significance were calculated from 103 neutral coalescence simulations by using segregating sites with an intermediate level of recombination. For the luxA fragment, the test statistic is significantly larger than the distribution calculated by the coalescent at a level of P<0.001.

f

Statistical significance of test statistic was estimated from the β distribution.

Table 1

Selection and population growth test statistics from six loci of 45 different V. fischeri strains

Locus fragmentωaTajima's Db,cFu and Li's Dc,dFu and Li's Fc,dFu's Fsc,dR2e
SηAAf
recA0.0122 (0.0020, 0.0376)−0.744−0.860−1.475−1.201−1.311−3.5780.083
mdh0.0115 (0.0036, 0.0268)0.8280.308−0.9550.2190.561−1.1560.137
ainS0.1799 (0.1488, 0.2152)2.423 (0.005)1.736 (0.044)2.0210.7551.781 (0.022)−0.3170.186
katA0.0402 (0.0221, 0.0661)0.7010.4100.5300.0210.363−0.2440.131
pyrC0.0263 (0.0136, 0.0450)0.004−0.221−1.4760.2670.228−3.0940.109
luxA0.0642 (0.0525, 0.0776)3.034 (<0.001)1.706 (0.020)2.890 (<0.001)1.964 (<0.001)2.979 (<0.001)19.610 (<0.001)0.207 (<0.001)
Locus fragmentωaTajima's Db,cFu and Li's Dc,dFu and Li's Fc,dFu's Fsc,dR2e
SηAAf
recA0.0122 (0.0020, 0.0376)−0.744−0.860−1.475−1.201−1.311−3.5780.083
mdh0.0115 (0.0036, 0.0268)0.8280.308−0.9550.2190.561−1.1560.137
ainS0.1799 (0.1488, 0.2152)2.423 (0.005)1.736 (0.044)2.0210.7551.781 (0.022)−0.3170.186
katA0.0402 (0.0221, 0.0661)0.7010.4100.5300.0210.363−0.2440.131
pyrC0.0263 (0.0136, 0.0450)0.004−0.221−1.4760.2670.228−3.0940.109
luxA0.0642 (0.0525, 0.0776)3.034 (<0.001)1.706 (0.020)2.890 (<0.001)1.964 (<0.001)2.979 (<0.001)19.610 (<0.001)0.207 (<0.001)
a

Ka/Ks or dN/dS: Ratio of the number of non-synonymous substitutions per non-synonymous site to the number of synonymous substitutions per synonymous site, calculated using the SLAC method (95% confidence interval in parentheses).

b

Tajima's D test statistic calculated using the nucleotide sequence and the total number of segregating sites (S), total mutations (η) or the amino-acid sequence and the total number of segregating sites (AA).

c

Statistical significance of test statistic (given in parentheses if P<0.05) was calculated from 103 neutral coalescence simulations by using segregating sites with an intermediate level of recombination.

d

Fu and Li's D and F, and Fu's Fs test statistics were calculated by using total segregating sites.

e

Population growth test statistic of Ramos-Onsis and Rozas (Ramos-Onsins and Rozas, 2002); the test statistic distribution and statistical significance were calculated from 103 neutral coalescence simulations by using segregating sites with an intermediate level of recombination. For the luxA fragment, the test statistic is significantly larger than the distribution calculated by the coalescent at a level of P<0.001.

f

Statistical significance of test statistic was estimated from the β distribution.

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