Table 2.
Description and Pearson correlation coefficients (R) and their statistical significance between dN/dS (based on all substitution categories together) and body mass reported in different studies. Significant correlations are highlighted in italics
| Study (dataset) | Number of genes | Description | Neornithes | Neoaves | ||
|---|---|---|---|---|---|---|
| R | p value | R | p value | |||
| Weber et al. [31] | 921 | Alignments from Jarvis et al. [57] present in all 48 species | − 0.43 | 2.70 × 10 − 3 | NA | NA |
| Figuet et al. [30] | 1077 | Alignments from Jarvis et al. [57] for orthologs that are also present in mammals and non-avian sauropsids. Max missing data of 6 species |
0.13 | 3.20 × 10− 1 | NA | NA |
| Botero-Castro et al. [32] (Figuet+HMMclean) | 1077 | Dataset from Figuet et al. 2016 + alignment filtering based on HMMclean | 0.17 | 2.80 × 10− 1 | 0.42 | 4.00 × 10 − 3 |
| Botero-Castro et al. [32] (Botero-Castro) |
1077 + 1245 | Figuet+HMMclean dataset + 1245 previously non-annotated GC-rich genes present in at least 10 species | 0.23 | 1.30 × 10− 1 | 0.59 | 7.34 × 10 −5 |
| This study | 7986 | Alignments from Jarvis et al. [57] Max missing data of 6 species |
0.08 | 6.09 × 10−1 | 0.19 | 2.19 × 10−1 |