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Fig. 6. Expression of foo at later stages of development. Detection of
foo transcripts in later stages of wild-type embryos. Expression is
consistent with both NC cell and future pharyngeal pouch endoderm expression.
(A-D) lateral view (top) and dorsal view (bottom) of foo expression
at different stages of development. (A) 10-somite stage. (B) 15-somite stage;
pharyngeal pouch endoderm of pp1 and pp2 are indicated. (C) 20-somite stage.
(D) 26 hpf; broken red lines indicate location of sections shown in F,G. (E)
Double in situ hybridization to krox20 and foo in a
10-somite stage embryo. Arrows indicate foo
expression in streaming NC cells. (F) Transverse section of a 26 hpf foo in situ hybridized embryo through pp1. Arrow indicates endodermal pouch expression. (G) Transverse section of a 26 hpf foo in situ hybridized embryo through the post-otic region. Arrow indicates foo expression.
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