Table 1 .
Comparison of nucleotide substitution rates and times to common ancestry of USUV from the E and NS5 genes and complete genome phylogenetic reconstructions using MCMC analysis
| Parameter | E gene (n = 205) | NS5 gene (n = 161) | Complete genome (n = 91) |
|---|---|---|---|
| Sampling time interval | 1959–2014 | 1959–2014 | 1959–2014 |
| Evolutionary rate (95% HPD) | 1.13 × 10−3 (8.20 × 10−4 to 1.46 × 10 −3) | 8.29 × 10−4 (6.09 × 10−4 to 1.27 × 10−3) | 6.49 × 10−4 (3.67 × 10−4 to 9.02 × 10−4) |
| Coefficient of variation | 0.61 | 0.90 | 0.78 |
| TMRCA (95% HPD) | |||
| Global | 1852 (1807–1891) | 1829 (1681–1956) | 1464 (1131–1713) |
| Africa 1 | 1852 (1807–1891) | 1829 (1681–1956) | 1464 (1131–1713) |
| Africa 2 | 1957 (1953–1958) | 1952 (1940–1959) | 1943 (1920–1961) |
| Africa 3 | N/Aa | 1974 (1967–1981) | 1962 (1950–1974) |
| Europe 1 | 1987 (1982–1991) | 1982 (1973–1990) | 1974 (1966–1980) |
| Europe 2 | 2004 (2003–2005) | 1993 (1985–2000) | 1995 (1993–2000) |
| Europe 3 | 2007 (2006–2008) | 2007 (2002–2009) | 2007 (2004–2009) |
a
N/A, not applicable.