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Table 1 Average base composition skews in CDS and RAP and TAP effects in seven phyla of bacteria*

From: Quantitative analysis of mutation and selection pressures on base composition skews in bacterial chromosomes

  Actinobacteria Chlorobi Cyanobacteria Deinococcus-Thermus Firmicutes Proteobacteria Spirochaetes
σG d 0.012 0.039 0.012 0.002 0.124 0.064 0.192
  ± 0.036 ± 0.037 ± 0.019 ± 0.014 ± 0.073 ± 0.051 ± 0.079
σG g -0.022 -0.034 0.009 -0.012 0.027 0.004 0.001
  ± 0.034 ± 0.048 ± 0.021 ± 0.015 ± 0.059 ± 0.048 ± 0.025
σG T (-0.005) (0.002) 0.010 (-0.005) 0.075 0.034 0.096
  ± 0.030 ± 0.043 ± 0.020 ± 0.012 ± 0.059 ± 0.046 ± 0.035
σG R 0.017 0.037 (0.001) 0.007 0.049 0.030 0.096
  ± 0.018 ± 0.005 ± 0.001 ± 0.008 ± 0.032 ± 0.019 ± 0.047
σA d -0.011 -0.010 -0.011 -0.011 0.070 0.005 -0.016
  ± 0.036 ± 0.008 ± 0.026 ± 0.035 ± 0.036 ± 0.034 ± 0.051
σA g 0.012 0.077 -0.011 0.025 0.063 0.035 0.133
  ± 0.017 ± 0.053 ± 0.028 ± 0.031 ± 0.034 ± 0.032 ± 0.091
σA T (0.001) 0.033 -0.011 0.007 0.067 0.020 0.058
  ± 0.018 ± 0.029 ± 0.027 ± 0.032 ± 0.031 ± 0.030 ± 0.056
σA R -0.012 -0.043 (-0.000) -0.018 (0.004) -0.015 -0.075
  ± 0.022 ± 0.024 ± 0.001 ± 0.006 ± 0.016 ± 0.013 ± 0.047
  1. *Standard deviations are listed below the averages. Absolute values of σGT, σGR, σAT, and σARequal to or smaller than 0.005 are in parentheses.