FIGURE SUMMARY
Title

Expression of the eight AMPA receptor subunit genes in the developing central nervous system and sensory organs of zebrafish

Authors
Hoppmann, V., Wu, J.J., Søviknes, A.M., Helvik, J.V., and Becker, T.S.
Source
Full text @ Dev. Dyn.
Fig. 1

Expression of the paralogous AMPA receptor subunit genes gria1a and gria1b in zebrafish at 24, 48, and 72 hours postfertilization (hpf). A,A′: Gene expression of gria1a in a 24 hpf embryo (A: lateral view; A′: frontal view). B,C: The expression pattern of gria1a at 48 hpf (B: lateral view; C: dorsal view). D,E: Expression of gria1a at 72 hpf (D: lateral view; E: dorsal view). F-L: The 20-μm-thick, frontal vibratome sections through a gria1a hybridized larvae at 72 hpf. M-M″: Expression pattern of gria1b in a 24 hpf embryo (M: overview; M′: frontal view; M″: higher magnification of the forebrain in a lateral view). N,O: Expression of gria1b in the central nervous system of a 48 hpf zebrafish embryo (N: lateral view; O: dorsal view). P,Q: gria1b expression in a 72 hpf zebrafish larvae (P: lateral view; Q: dorsal view). R-W: Twenty-micrometer-thick Vibratome sections performed frontally through a gria1b hybridized zebrafish larvae at 72 hpf. CeP, cerebellar plate; drc, dorsal rostral cluster; DT, dorsal thalamus; gc, retinal ganglion cells; Ha, habenula; Hc, caudal hypothalamus; Hy, hypothalamus; in, area where inter neurons are located; inl, inner nuclear layer; mn, area where motor neurons are located; mo, medulla oblongata; OB, olfactory bulb; ov, otic vesicle; Po, preoptic region; r, retina; rh, rhombomeres; S, subpallium; sc, spinal cord; sn, sensory neurons; t, telencephalon; T, tegmentum; TeO, tectum opticum; Th, Thalamus; vcc, ventral caudal cluster; vrc, ventral rostral cluster; VT, ventral thalamus.

Fig. 2

Expression of the paralogous AMPA receptor subunit genes gria2a and gria2b in zebrafish at 24, 48, and 72 hours postfertilization (hpf). A,A′: Expression of gria2a at 24 hpf (A: lateral view; A′: frontal view). B,C: The expression pattern of gria2a in the central nervous system (CNS) at 48 hpf (C: lateral view; D: dorsal view). D,E: Expression of gria2a at 72 hpf (D: lateral view; E: dorsal view). F-L: The 20-μm-thick frontal vibratome sections through a gria2a hybridized zebrafish larvae at 72 hpf. M-M′: Gene expression pattern of gria2b at 24 hpf (M: lateral view; M′: frontal view; M″: higher magnification of the forebrain in the lateral view). N,O: Expression of gria2b in the CNS of a zebrafish embryo at 48 hpf (N: lateral view; O: dorsal view). P,Q: gria2b expression in the CNS of a 72 hpf zebrafish larvae (P: lateral view; Q: dorsal view). R-W: The 20-μm-thick vibratome sections cut frontally through a gria2b hybridized 72 hpf zebrafish larvae. PLLG, posterior lateral line ganglion. Other abbreviations as in Figure 1.

Fig. 3

Expression of the paralogous AMPA receptor subunit genes gria3a and gria3b in zebrafish at 24, 48, and 72 hours postfertilization (hpf). A: gria3a expression at 24 hpf, lateral view. B,C: The expression pattern of gria3a at 48 hpf (B: lateral view; C: dorsal view). D,E: Expression of gria3a in the CNS in a 72 hpf zebrafish larvae (D: lateral view; E: dorsal view). F-L: The 20-μm-thick frontal Vibratome sections through a gria3a hybridized zebrafish larvae at 72 hpf. M: Gene expression of gria3b at 24 hpf, lateral view. N,O: Expression of gria3b in the central nervous system in a 48 hpf zebrafish embryo (N: lateral view; O: dorsal view). P,Q: gria3b expression in a 72 hpf zebrafish embryo (P: lateral view; Q: dorsal view). R-W: Frontal, 20-μm-thick Vibratome sections through a gria3b hybridized zebrafish larvae at 72 hpf. ALLG, anterior lateral line ganglion; hc, horizontal cells; OG, octaval ganglion; TG, trigeminal ganglion. Other abbreviations as in Figures 1 and 2.

Fig. 4

Expression of the paralogous AMPA receptor subunit genes gria4a and gria4b in zebrafish at 24, 48, and 72 hours postfertilization (hpf). A,A′: gria4a expression at 24 hpf (A: lateral view; A′: frontal view). B,C: The expression pattern of gria4a at 48 hpf (B: lateral view; C: dorsal view). D,E: Expression of gria4a in the central nervous system (CNS) of a 72 hpf zebrafish larvae (D: lateral view; E: dorsal view). F-L: The 20-μm-thick Vibratome sections cut frontally through a gria4a hybridized zebrafish larvae at 72 hpf. M-M″: gria4b gene expression pattern in a 24 hpf embryo (M: lateral view; M′: frontal view; M″: dorsal view with focus on hindbrain and spinal cord). N,O: Expression of gria4b in the CNS of 48 hpf zebrafish embryos (N: lateral view; O: dorsal view). P,Q: gria4b expression in a 72 hpf zebrafish larvae (P: lateral view; Q: dorsal view). R-W: Frontal, 20-μm-thick Vibratome sections performed through a gria4b hybridized zebrafish larvae at 72 hpf. For abbreviations, see Figures 1-3.

Acknowledgments
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