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six1xenopus head mesenchyme 

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Experiment details for six1

Molecular cloning and embryonic expression of Xenopus Six homeobox genes.

Molecular cloning and embryonic expression of Xenopus Six homeobox genes.

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Gene Clone Species Stages Anatomy
six1.L laevis NF stage 35 and 36 head mesenchyme

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  Fig. 2. Analysis of Six2 subfamily gene expression during Xenopus development by whole-mount in situ hybridization. Lateral views are shown in (A–F,I–K) with anterior to the left. Frontal views (G,H) and the sections (L–O) are oriented with dorsal to the top. (A–C) Six1 expression in stage 30 (A), stage 35 (B) and stage 39 (C) embryos. The arrow in panel (C) indicates the olfactory bulbs and the arrowheads highlight the migrating ventral muscle anlagen. (D–F) Six2 expression in stage 30 (D), stage 35 (E) and stage 39 (F) embryos. The arrowheads in panel (F) indicate ventral muscle anlagen. (G,H) Frontal views of stage 20 embryos showing Six1 (G) and Six2 (H) gene expression. The olfactory (arrowhead) and otic placodes (arrows) are indicated in panel H. (I) Close-up view of a stage 30 embryo head illustrating Six1 expression associated with facial (VII), glossopharyngeal (IX) and vagus (X) ganglia. (J,K) Close-up views of stage 35 embryos demonstrating Six1 (J) and Six2 (K) expression in the 1st–4th ventral abdominal muscle anlagen (arrowheads). (L,M) Transverse sections through the head of stage 39 embryos illustrating Six1 (L) and Six2 (M) expression. Arrowheads highlight expression in the head mesenchyme. (N) Transverse section through the midtrunk of a stage 39 embryo. Arrowheads indicate Six1 expression in migrating abdominal muscle anlagen. (O) Transverse section at the level of the pronephric kidney through a stage 39 embryo. The abdominal muscle anlagen (arrowhead), and the mesenchyme (m) adjacent to the developing stomach and pronephric kidney epithelia are indicated. Abbreviations: cg, cranial ganglia; e, eye; gcl, ganglion cell layer; hm, head mesenchyme; l, lens; p, pharynx; pn, pronephros; ppt, primitive placodal thickening; rpe, retinal pigment epithelium; s, somites; st, stomach.

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Gene Clone Species Stages Anatomy
six1.L laevis NF stage 35 and 36 head mesenchyme

  six1 (SIX homeobox 1) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 35 & 36, lateral view, anterior left, dorsal up.

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Gene Clone Species Stages Anatomy
six1.L laevis NF stage 35 and 36 head mesenchyme

  six1 (SIX homeobox 1) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 35 & 36 , lateral view, anterior left, dorsal up. key: 1st–4th migrating hypaxial muscle/myoblasts that will go on to form the abdominal muscles

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Gene Clone Species Stages Anatomy
six1.L laevis NF stage 39 head mesenchyme

  six1 (SIX homeobox 1) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 39, lateral view, anterior left, dorsal up.

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Gene Clone Species Stages Anatomy
six1.L laevis NF stage 39 head mesenchyme

  six1 (SIX homeobox 1) gene expression in Xenopus laevis embryo, transverse sections through the head, assayed via in situ hybridization, NF stage 39, dorsal up.
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