Table 2. Conservation of microRNA target sites in selected amniotes and the presence in Twist2 3′UTR.
| MiRNA target site/Species | Human | Mouse | Cow | Dog | Chicken | Frog | Targeting Twist2 |
| miR-15b-3p | + | − | + | + | − | − | − |
| miR-33-5p | + | + | + | + | − | + | − |
| miR-137-3p | + | + | + | + | − | + | − |
| miR-145a-5p | + | + | + | + | − | − | + |
| miR-151-5p | + | + | + | + | − | + | − |
| miR-214-5p | + | + | + | + | − | − | − |
| miR-326-3p | + | + | + | + | − | − | − |
| miR-337-3p | + | + | + | + | − | + | − |
| miR-361-5p | + | + | + | + | − | − | − |
| miR-378a-5p | + | + | + | + | − | − | − |
| miR-381-3p | + | + | + | + | − | + | − |
| miR-409-3p | + | + | + | + | − | − | − |
| miR-450b-5p | + | + | + | + | − | + | − |
| miR-508-3p | + | + | + | + | − | − | − |
| miR-543-3p | + | + | + | + | − | − | − |
| miR-576-5p | + | + | + | + | − | − | − |
| miR-580 | + | + | + | + | − | − | − |
| miR-591 | + | + | + | + | − | − | − |
MicroRNAs underlined were tested in this study.