Table 2

Bayesian posterior probabilities (PP) for alternative positions of tunicates using different models of amino-acid replacements.

Model

Tunicata

+

Craniata

Tunicata

+

Xenoturbella

Tunicata sister to the remaining Bilateria

Tunicata

+

Euchordata*

Tunicata

+

Ambulacraria

Tunicata sister to the remaining Deuterostomia


mtREV+Γ4

(12,000 trees)

0.14

0.85

0

<0.01

0

<0.01

GTR+Γ4

(24,000 trees)

0

0.83

0.16

0

0

<0.01

CAT

+Poisson+Γ4

(240,000 trees)

0.71

0.08

<0.01

0.11

0.02

0.02

CAT

+mtREV+Γ4

(12,000 trees)

0.96

0

0

<0.01

0

0

CAT

+GTR+Γ4

(12,000 trees)

0.95

0

0

<0.01

<0.01

0

CAT

+BP+Γ4

(34,800 trees)

0.94

0.03

0

0.02

<0.01

<0.01


* Euchordata = Cephalochordata + Craniata

PP were obtained from 3 independent MCMC runs for all models except CAT+BP+Γ4 for which 5 MCMC were run. The number of trees used to compute PP is indicated.

Singh et al. BMC Genomics 2009 10:534   doi:10.1186/1471-2164-10-534

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