Research article
The erratic mitochondrial clock: variations of mutation rate, not population size, affect mtDNA diversity across birds and mammals
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* Corresponding author: Benoit Nabholz benoit.nabholz@univ-montp2.fr
Université Montpellier 2 CNRS UMR 5554 – Institut des Sciences de l'Evolution Place E. Bataillon – CC064, 34095 Montpellier, France
BMC Evolutionary Biology 2009, 9:54 doi:10.1186/1471-2148-9-54
Published: 10 March 2009Additional files
Additional file 1:
Figure S1. Distribution of bird maximum longevity. The maximum longevity is log transformed and is in years. Black: whole dataset; shading yellow: passerines birds (n = 88); shading blue: no passerines birds (n = 108)
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Additional file 2:
Figure S2. Neutrality index (NI) distribution in birds (n = 81) and mammals (n = 75). NI values greater than 20 were forced to 20 for clarity.
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Additional file 3:
Table S4. Effects of life-history variables on mtDNA substitution rate in passerines versus other bird species according the different combination of topologies and programs.
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Additional file 4:
Figure S3. a) mtDNA synonymous diversity (πs) in birds (n = 46) and mammals (n = 123). The median, quartiles, and extrema of the distribution of πs are given. b) Residuals of the relationship between mtDNA synonymous diversity (πs) and third-codon position substitution rate in birds and mammals.
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Additional file 5:
Table S2. GenBank accession numbers, taxonomy, mitochondrial substitution rate and life-history traits of the 1571 species used in the substitution rate analysis.
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Additional file 6:
Table S1. Fossil calibration dates used in this study (in million years).
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Additional file 7:
Table S3. Effects of life-history variables on mtDNA substitution rate in bird species according the different combination of topologies and programs.
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