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Display additional annotations [+]
Gene |
Clone |
Species |
Stages |
Anatomy |
gabbr1
|
|
laevis
|
NF stage 24
to
NF stage 26
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
trigeminal nerve
,
[+]
|
gabbr1
|
|
laevis
|
NF stage 29 and 30
to
NF stage 31
|
retina
,
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
[+]
|
gabbr1
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
retina
,
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
[+]
|
gabra5
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
otic vesicle
,
retina
|
gabra2
|
|
laevis
|
NF stage 24
to
NF stage 26
|
midbrain
,
hindbrain
,
spinal cord
|
gabra2
|
|
laevis
|
NF stage 29 and 30
to
NF stage 31
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
|
gabra2
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
pineal gland
,
[+]
|
gabra2
|
|
laevis
|
NF stage 29 and 30
to
NF stage 31
|
hindbrain
,
spinal cord
|
gabra2
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
|
gabbr2
|
|
laevis
|
NF stage 24
to
NF stage 26
|
midbrain
,
spinal cord
,
trigeminal nerve
,
facial nerve
|
gabra1
|
|
laevis
|
NF stage 24
to
NF stage 26
|
spinal cord
|
gabra1
|
|
laevis
|
NF stage 29 and 30
to
NF stage 31
|
spinal cord
|
gabra1
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
hindbrain
,
spinal cord
|
gabrg3
|
|
laevis
|
NF stage 29 and 30
to
NF stage 31
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
pineal gland
|
gabrg3
|
|
laevis
|
NF stage 33 and 34
to
NF stage 35 and 36
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
pineal gland
,
[+]
|
|
|
Figure 2. Expression patterns of GABAA receptor α-subunits and GABAB receptors in developing X. laevis embryos using whole mount in situ hybridization. Embryos were viewed laterally with anterior to the left and dorsal to the top. The arrowheads indicate regions of expression. A, D, G, J, M, P, S: Stages 24–26, (tailbud stages). B, E, H, K, N, Q, T: Stage 29–31 (hatching stages). C, F, I, L, O, R, U: Stages 34–36 (early swimming tadpole stages). A–C: GABAAα1 expression. D–F: GABAAα2 expression. G–I: GABAAα3 expression. J–L: GABAAα5 expression. M–O: GABAAα6 expression. P-R: GABAB1 expression. S–U: GABAB2 expression. F′, H′, I′, P′, Q′, R′, S′, T′, U′: Magnified images of portions of embryos. fb, forebrain; r, retina; hb, hindbrain; mb, midbrain; pg, pineal gland; sc, spinal cord; V, cranial ganglion V; VII, cranial ganglion VII; IX, cranial ganglion IX. Scale bar = 1.0 mm; scale bar in inset = 0.25 mm.Download figure to PowerPoint |
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gabbr2 [GABA B receptor 2] gene expression in Xenopus laevis embryo via in situ hybridization, NF stage (29-31), lateral view, anterior left, dorsal up.
Image copyrighted by: Wiley-Liss Inc and reproduced from Kaeser et al., XB-ART-42885
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gabbr2 [GABA B receptor 2] gene expression in Xenopus laevis embryo via in situ hybridization, NF stage (34-36), lateral view, anterior left, dorsal up.
Image copyrighted by: Wiley-Liss Inc and reproduced from Kaeser et al., XB-ART-42885
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Display additional annotations [+]
Gene |
Clone |
Species |
Stages |
Anatomy |
gabbr1
|
|
laevis
|
NF stage 35 and 36
|
retina
,
midbrain
,
hindbrain
,
hypophysis
,
spinal cord
,
[+]
|
gabra2
|
|
laevis
|
NF stage 35 and 36
|
retina
,
forebrain
,
midbrain
,
hindbrain
,
hypophysis
,
[+]
|
gabra2
|
|
laevis
|
NF stage 35 and 36
|
retina
,
forebrain
,
midbrain
,
spinal cord
|
gabra1
|
|
laevis
|
NF stage 35 and 36
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
|
gabrg3
|
|
laevis
|
NF stage 35 and 36
|
forebrain
,
midbrain
,
hindbrain
,
spinal cord
,
trigeminal nerve
,
[+]
|
|
|
Figure 3. Histological analysis of GABA receptor subunit expression in swimming tadpole (stage 35) X. laevis embryos. Transverse 18-μm sections along the anterior-posterior axis, with dorsal to the top. A–E: GABAAα1 expression. F–J: GABAAα2 expression. K–O: GABAAα3 expression. P–T: GABAAα5 expression. U–Y: GABAB1 expression. Z-DD: GABAB2 expression. Prime letters: Magnified portions of sections. W′: Paraffin section to show lack of otic vesicle staining. fb, forebrain; mb, midbrain; hb, hindbrain; asc, anterior spinal cord; psc, posterior spinal cord; r, retina; sc, spinal cord; V, cranial ganglion V; VII, cranial ganglion VII,; IX, cranial ganglion IX: oe; olfactory epithelium; Pt, pituitary gland. Scale bars = 0.3 mm.Download figure to PowerPoint |