Table 2.
p-distances (p-D) and standard error (SE) values for mitochondrial M-orfs, F-orfs, cox1 and atp8 in freshwater mussel subfamilies
| Subfamily | Gene (N) | Nucleotide | Amino acid | p | ||
|---|---|---|---|---|---|---|
| p-D | SE | p-D | SE | |||
| Unioninae | F-orf (3) | 0.355 | 0.023 | 0.467 | 0.047 | 1.000 |
| F-cox1 (2) | 0.103 | 0.007 | 0.014 | 0.005 | 1.000 | |
| F-atp8 (2) | 0.300 | 0.011 | 0.333 | 0.015 | 1.000 | |
| M-orf (2) | 0.350 | 0.018 | 0.502 | 0.034 | 1.000 | |
| M-cox1 (2) | 0.165 | 0.010 | 0.094 | 0.012 | 1.000 | |
| M-atp8 (2) | 0.250 | 0.010 | 0.267 | 0.013 | 1.000 | |
| Gonideinae | F-orf (2) | 0.469 | 0.033 | 0.692 | 0.058 | 1.000 |
| F-cox1 (2) | 0.132 | 0.008 | 0.033 | 0.008 | 1.000 | |
| F-atp8 (2) | 0.400 | 0.025 | 0.222 | 0.010 | 1.000 | |
| M-orf (2) | 0.384 | 0.025 | 0.552 | 0.044 | 1.000 | |
| M-cox1 (2) | 0.175 | 0.009 | 0.130 | 0.015 | 1.000 | |
| M-atp8 (2) | 0.301 | 0.019 | 0.421 | 0.039 | 1.000 | |
| Ambleminae | F-orf (3) | 0.351 | 0.024 | 0.508 | 0.041 | 1.000 |
| F-cox1 (2) | 0.128 | 0.009 | 0.033 | 0.007 | 1.000 | |
| F-atp8 (2) | 0.278 | 0.018 | 0.370 | 0.031 | 1.000 | |
| M-orf (2) | 0.421 | 0.027 | 0.687 | 0.047 | 1.000 | |
| M-cox1 (2) | 0.179 | 0.010 | 0.145 | 0.015 | 1.000 | |
| M-atp8 (2) | 0.211 | 0.012 | 0.233 | 0.017 | 1.000 | |
| Margaritiferinae | F-orf (2) | 0.393 | 0.029 | 0.705 | 0.050 | 1.000 |
| F-cox1 (2) | 0.164 | 0.009 | 0.068 | 0.009 | 1.000 | |
Note: N number of sequences used. The probability of rejecting the null hypothesis of strict-neutrality (d N = d S) in favor of the alternative hypothesis (d N > d S) (in the p column) is shown. d S and d N are the numbers of synonymous and nonsynonymous substitutions per site, respectively