Table 1.
Comparative analysis of nos1 expression territories in zebrafish, medaka, and spotted gar.
| Species (Stage) | Head Region | Trunk Region | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tel | Di | Mes | Rho | Eye | Cn | Liv | Th | PNS | Nt | Sk | Tb | ||
| Early Embryo | Zebrafish (24 hpf) | + | ++ | ++ | |||||||||
| Medaka (st 28) | + | +++ | ++ | +++ | |||||||||
| Gar (4 dpf) | + | + | +++ | ||||||||||
| Late Embryo | Zebrafish (48 hpf) | ++ | ++ | ++ | |||||||||
| Medaka (st 30) | ++ | ++ | ++ | ++ | |||||||||
| Gar (6 dpf) | ++ | ++ | + | ++ | +++ | ||||||||
| Early Larva | Zebrafish (72 hpf) | ++ | ++ | ++ | |||||||||
| Medaka (st 32) | +++ | + | ++ | + | ++ | + | ++ | ||||||
| Gar (9 dpf) | + | + | + | + | + | +++ | |||||||
| Late Larva | Zebrafish (96 hpf) | ++ | ++ | ++ | ++ | ++ | |||||||
| Medaka (st 34) | ++ | ++ | ++ | +++ | ++ | ++ | +++ | ++ | ++ | ||||
| Gar (11–14 dpf) | +++ | +++ | ++ | +++ | +++ | ++ | ++ | +++ | |||||
Staging in zebrafish according to Kimmel et al. 1995 (hpf), in gar, to Long and Ballard 2001 (dpf) and in medaka, to Iwamatsu 2004 (stage). Abbreviations: Cn, Cranial nerves; Di, Diencephalon; Liv, Liver; Mes, Mesencephalon; Nt, Notochord; PNS, Peripheral Nervous System; Rho, Rhombencephalon; Sk, Skin; Tb, Tailbud Tel, Telencephalon; Th, Thyroid. Visual scoring, + indicates the measure of nos1-positive cells: + low, ++ average, +++ high.