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Table 3 Nucleotide composition of the different HIV-1 subtypes (group M)

From: The biased nucleotide composition of the HIV genome: a constant factor in a highly variable virus

Comparison

P-valuea for A-content difference

P-value for C-content difference

P-value for G-content difference

P-value for U-content difference

Subtype B/subtype Ab

0.0008

0.003

0.01

0.03

Subtype B/subtype C

0.0002

<0.0001

<0.0001

0.0004

Subtype A/subtype C

0.03

0.03

0.007

0.12

Subtype B/subtype D

<0.0001

0.70

<0.0001

0.29

Subtype A/subtype D

<0.0001

0.20

<0.0001

0.22

Subtype C/subtype D

<0.0001

0.02

<0.0001

0.009

Subtype A/subtype G

<0.0001

0.88

<0.0001

0.04

Subtype A/CRF02_AG

0.84

0.25

1.00

0.30

Subtype G/CRF02_AG

<0.0001

0.45

<0.0001

0.004

  1. a Differences in nucleotide composition between HIV-1 subtypes were analysed using Student’s t-test.
  2. b Based on 41 subtype B, 62 subtype A, 55 subtype C, 38 subtype D, 18 subtype G and 32 recombinant CRF02_AG gag-pol-env sequences.