Table 1

Divergence time estimates (billion years ago)

Multigene

Average-distance

Comparison

All

constant

all

constant

Mean ± SE^*

Archaebacteria-eukaryotes (AK)

3.18

3.42

3.05

3.58

3.50 ± 0.25

Rate adjusted

4.11

3.86

3.69

4.09

3.97 ± 0.32

Eubacteria-eukaryotes (BK-o)

2.31

2.45

2.27

2.48

2.46 ± 0.14

Rate adjusted

2.54

2.76

2.51

2.70

2.73 ± 0.20

Eubacteria-cyanobacteria (BC)

1.68

1.73

1.92

1.85

1.79 ± 0.29

Rate adjusted

2.56

2.52

2.66

2.60

2.56 ± 0.26

Giardia-eukaryotes (GK)

2.82

2.54

3.32

2.46

2.50 ± 0.22

Rate adjusted

2.72

2.31

2.04

2.16

2.23 ± 0.12

Eubacteria-eukaryotes (BK-m)

1.70

1.72

1.47

1.39

1.56 ± 0.29

Rate adjusted

2.02

2.07

1.72

1.61

1.84 ± 0.20

^*Mean (Multigene, constant rate + Average-distance, constant rate) ± standard error (Multigene, constant rate).

Hedges et al. BMC Evolutionary Biology 2001 1:4   doi:10.1186/1471-2148-1-4