Table 2.
In silico analysis of CO1 mutations of data presented in Avtzis et al. (2008). Total number and relative amount of mutational patterns observed in a 1557 bp stretch of n=262 individuals is compared with expected values for authentic mtDNA.
| Total | Relative (%) | Expected value for mthNA a | |
|---|---|---|---|
| Single base substitutions | 125 | 100.0 | - |
| 1st codon position substitutions | 15 | 12.0 | 14.9 ± 9.4% b |
| 2nd codon position substitutions | 2 | 1.6 | 4.5 ± 3.5% b |
| 3rd codon position substitutions | 108 | 86.4 | 80.6 ± 21% b |
| Nonsynonymous substitutions | 13 | 10.4 | 7.47 ± 5.4% c |
| C › T substitutions | 25 | 20.0 | - |
| GC › GT substitutions | 3 | 12.0 d | 25 ± 14.0% e |
| Insertions | 0 | 0 | none f |
| Deletions | 0 | 0 | none f |
| Additional stop-codons | 0 | 0 | none f |
| Transitions (3rd codon position) | 95 | 88.0 g | 84.9% ± 18.1% h |
| Transversions (3rd codon position) | 13 | 12.0 g | 15.1 ± 7.6% h |
| Trasition-transversion ratio | 7.31 | - | - |
| GC content | - | 34.6 | 28.66 ± 10.5% i |
a expected relative values as given in reference ± χ 2 confidence interval at α=0.05 (Sachs 1999), b Blouin et al. (1998), c Shoemaker et al. (2004), data of Drosophila subquinaria, d percentage GC › GT substitutions of total C › T substitutions, e Bulmer (1986), Bensasson et al. (2001), f Zhang and Hewitt (1996), g percentage of total transitions/transversions on 3 rd codon position, h Tamura (1992), i Lin and Danforth (2004), data for CO1 genes