Table 2 Evolutionary analysis based on the different coding regions of B19V.

From: The epidemiological and genetic characteristics of human parvovirus B19 in patients with febrile rash illnesses in China

Gene

Nucleotide substitution model a

Clock model b

Evolutionary rates (95%HPD)

NS1

GTR + G

Uncorrelated lognormal relaxed clock

2.50 × 10–4 (1.47 × 10–4 ~ 3.61 × 10–4)

7.5 kDa

HKY + I

Uncorrelated exponential relaxed clock

9.03 × 10–5 (8.35 × 10–6 ~ 1.96 × 10–4)

VP1

GTR + G

Uncorrelated lognormal relaxed clock

2.57 × 10–4 (1.77 × 10–4 ~ 3.45 × 10–4)

X

K80 + I

Strict clock

2.72 × 10–4 (9.99 × 10–5 ~ 4.59 × 10–4)

VP2

TrN + I + G

Strict clock

2.61 × 10–4 (1.92 × 10–4 ~ 3.29 × 10–4)

11 kDa

HKY + G

Strict clock

3.58 × 10–4 (1.61 × 10–4 ~ 5.70 × 10–4)

  1. a: the best model for nucleotides was predicted by jModelTest2 on XSEDE v2.1.6; b: the best fit clock model was determined by stepping-stone sampling (SS).
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