FIGURE

Fig. 3

ID

ZDB-FIG-070309-14

Publication

Sassa et al., 2007 - Visualization of two distinct classes of neurons by gad2 and zic1 promoter/enhancer elements in the dorsal hindbrain of developing zebrafish reveals neuronal connectivity related to the auditory and lateral line systems

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Fig. 3

Green fluorescent protein (GFP) expression in the Tg(zic1:Gal4VP16/UAS:GFP) embryos. A: In situ hybridization of a 30-hours postfertilization (hpf) coronal section of the hindbrain at the level of the otic vesicle, using the zic1 probe. Dorsal is to the top. B: The structure of the DNA constructs used to generate the Tg(zic1:Gal4VP16/UAS:GFP) fish. The zic1 PAC with Gal4VP16 inserted into the 5′-untranslater region (5′-UTR) of zic1 was coinjected with the UAS:GFP plasmid. C,D: Lateral (C) and dorsal (D) views of the Tg(zic1:Gal4VP16/UAS:GFP) embryos at 26 hpf. GFP is expressed in the eyes and dorsal neural tube. E-G: Cross-sections of the hindbrain of the Tg(zic1:Gal4VP16/UAS:GFP) embryos stained with the Lhx2/9 (E), zn-5 (F), and Gad1/2 (G) antibodies. The lateral GFP(+) cells predominantly coexpressed Lhx2/9 (E) and the zn-5 antigen (F), while some of the medial GFP(+) cells coexpressed Gad1/2 (G). A representative double-positive cell is indicated with an arrow in G. (F) The axons of the GFP(+) neurons colocalized with the zn-5(+) commissural axons. These axons projected ventrolaterally after crossing the midline (arrowheads). They were connected with the longitudinal fascicles as shown in Figure 4B. UAS, upstream activating sequences. Scale bars = 60 μm in A, 100 μm in C,D, 25 μm in E,G, 50 μm in F.

Expression Data

Genes:	alcama zic1
Fish:	WT rw0127Tg; zf14Tg
Anatomical Term:	hindbrain
Stage Range:	Prim-15 to Long-pec

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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