FIGURE

Fig. 6

ID

ZDB-FIG-060303-17

Publication

Pogoda et al., 2006 - The proneural gene ascl1a is required for endocrine differentiation and cell survival in the zebrafish adenohypophysis

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Fig. 6

Fgf3 is required for adenohypophyseal ascl1a expression and requires Ascl1a to induce pit1 expression. (A-D) Whole-mount in situ hybridization (lateral views with anterior towards the right) showing that adenohypophyseal ascl1 expression (indicated by arrows in A,B) is lacking in fgf3/lia mutants at 28 hpf, while diencephalic fgf3 expression (indicated by arrows in C,D) is normal in ascl1a/pia mutants at 32 hpf. (E-J) Frontal views on embryos at 28 hpf, after implantation of Fgf3-soaked beads in embryos of indicated genotype, and in situ hybridization for ascl1a (E-G) or pit1 (H-J). Beads in E,F,H-J are marked with arrowheads. Arrows in E,F mark laterally expanded ascl1a expression; asterisks in E-G indicate medial adenohypophyseal ascl1a expression, which is much stronger in the pia mutant after Fgf3 bead implantation (F) compared with untreated pia sibling (G).

Expression Data

Genes:	ascl1a fgf3
Fish:	WT ascl1a^{t25215/t25215} fgf3^unspecified
Anatomical Terms:	adenohypophyseal placode diencephalon
Stage Range:	Prim-5 to Prim-15

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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