Table 3 Expression of 5' non-coding exons at various developmental stages. PMBT = pre-midblastula transition. ND = not done.
From: Both 5' and 3' flanks regulate Zebrafish brain-derived neurotrophic factor gene expression
Exon | PMBT | 80% Epiboly | Bud | 14 Somite | 5Day | Adult |
|---|---|---|---|---|---|---|
α | X | X | X | X | X | X |
β |  | X | X | X | X | X |
a | - | ND | X | X | X | X |
b/b' | - | - | - | - | - | - |
c | X | X | X | X | X | X |
d | - | - | - | - | - | - |