FIGURE

Fig. 2

ID
ZDB-FIG-101021-20
Publication
Kwon et al., 2010 - Identification of early requirements for preplacodal ectoderm and sensory organ development
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Fig. 2

Distinct responses of neural crest and preplacodal ectoderm to graded impairment of Bmp.

(A) Lateral views of foxd3 expression at 11 hpf with anterior up and dorsal to the right. Embryos were treated with indicated concentrations of DM added at 4 hpf. Where indicated the DM concentration was increased to 200 µM (complete Bmp-inhibition) at 5 hpf, 6 hpf or 7 hpf. (B) Lateral views of six4.1 expression at 11 hpf in embryos treated with indicated concentrations of DM beginning at 4 hpf. Treatment with 25 µM DM yields two discrete responses, one in which six4.1 remains confined to two bilateral stripes flanking the neural plate and the other in which six4.1 expression is lost. (C) Lateral views showing expression of preplacodal competence factors tfap2a, tfap2c, foxi1 and gata3 in embryos were treated with 50 µM DM beginning at 4 hpf. Note that tfap2a/c remain broadly expressed in ventral ectoderm whereas foxi1 and gata3 are nearly eliminated.

Expression Data
Genes:
Fish:
Condition:
Anatomical Terms:
Stage Range: 75%-epiboly to 1-4 somites

Expression Detail
Antibody Labeling
Phenotype Data
Fish:
Condition:
Observed In:
Stage: 1-4 somites

Phenotype Detail
Acknowledgments
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