Table 1

Estimated dates for the gene-specific ages of the root of the sampled H1N1 sequences, the divergence of the pandemic clade (MRCApandemic), and for the diversification of the 2009 pandemic sequences (Pandemic age).

Root

95% HPD_root

MRCA_pandemic

Pandemic age

95% HPD_pandemic

PB2

74.28

105.75-46.09

8.54

12.06-5.35

1.00

1.60-0.48

PB1

281.40

491.80-109.34

15.44

23.53-9.30

4.37

6.65-2.32

PA

79.71

111.65-49.45

13.56

19.67-7.88

1.03

1.58-0.56

HA

83.87

129.77-45.50

7.79

12.57-3.96

1.19

1.62-0.82

NP

55.39

95.16-22.36

7.88

11.34-5.08

0.93

1.60-0.37

NA

74.61

93.17-57.07

43.03

56.95-28.56

1.53

2.08-0.94

M2

29.51

39.69-19.98

14.76

20.99-8.72

1.30

1.31-1.20

M1

48.69

66.69-31.12

34.07

49.57-17.94

1.70

2.63-0.88

NS2

70.70

97.57-46.96

7.35

9.67-5.38

1.22

1.84-0.81

NS1

130.95

189.46-78.78

9.16

12.32-6.38

1.11

1.55-0.76

All dates are in years before 2009.

Notes--HPD: Highest Posterior Density; MRCA: Most Recent Common Ancestor.

Abdussamad and Aris-Brosou BMC Evolutionary Biology 2011 11:6   doi:10.1186/1471-2148-11-6