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Table 3 Evidence of selective pressure in regulatory sequences of U3, R, U5 regions and total BLV LTRs

From: Bovine leukemia virus long terminal repeat variability: identification of single nucleotide polymorphisms in regulatory sequences

  U3 R U5 Total LTR
Mean Variance Mean Variance Mean Variance Mean Variance
VR 0.009141 0.000068 0.012219 0.000220 0.005188 0.000410 0.010031 0.000048
VNR 0.013453 0.000167 0.00450 0.000031 0.017406 0.000270 0.009906 0.000054
VR/VNR 0.679443 2.715278 0.298025 1.012618
p-value < 0.05 < 0.0001 < 0.0005 < 0.900
  1. VR Variability in regulatory sequences (regulatory elements), VNR Variability in non-regulatory sequences, VR/VNR The ratio was calculated to obtain evidence of selection; < 1 for negative, =1 for neutral and > 1 for positive selection. VR/VNR values representing positive selection was bolded