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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