FIGURE

Fig. 6

ID

ZDB-FIG-090515-37

Publication

Martin et al., 1995 - Five Trk receptors in the zebrafish

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Fig. 6

Zebrafish trk genes are expressed in the central and peripheral nervous system. Five RNA probes labeled with [³⁵S]UTP specific for the full-length transcripts of the trk genes were used to examine expression 6 days after fertilization by in situ hybridization. (A) Schematic indicating the most dorsal plane of the sections of the zebrafish embryo. The position of the subsequent sections is indicated by the arrowhead. (C) trkA, (E) trkB1, (G) trkB2, (I) trkC1, and (J) trkC2 are dark-field photomicrographs. B, D, F, H, and J are phase photomicrographs of C, E, G, I, and K, respectively. The m and arrowhead in B marks the cell body of the Mauthner cell. The retinal pigmented epithelium melanocytes and iridiophores contain a chromophore which causes the formation of silver grains in the photographic emulsion and is not hybridization signal. Such a melanocyte (or iridiophore) is labeled with an arrow in C to illustrate this phenomenon. The lens appears white, but this is not hybridization signal, as it appeared the same without hybridization. The scale bar is 50 μm.

Expression Data

Genes:	ntrk1 ntrk2a ntrk2b ntrk3a ntrk3b
Fish:	AB
Anatomical Terms:	brain hindbrain anterior side hindbrain posterior region peripheral nervous system spinal cord
Stage:	Day 6

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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Reprinted from Developmental Biology, 169, Martin, S.C., Marazzi, G., Sandell, J.H., and Heinrich, G., Five Trk receptors in the zebrafish, 745-758, Copyright (1995) with permission from Elsevier. Full text @ Dev. Biol.