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six4xenopus   

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Experiment details for six4

Molecular cloning and embryonic expression of Xenopus Six homeobox genes.

Molecular cloning and embryonic expression of Xenopus Six homeobox genes.

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 22 olfactory placode , neural fold , anterior placodal area

  six4 (SIX homeobox 4) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 22, anterior view, dorsal up. Key: ppt= primitive placodal thickening

Gene Clone Species Stages Anatomy
six4.S laevis NF stage 26 to NF stage 27 olfactory placode , otic vesicle , presomitic mesoderm , somite , pharyngeal arch , [+]

  six4 (SIX homeobox 4) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 26/27, lateral view, anterior left, dorsal up. Key: lp= lensplacode; ov= otic vesicle; s= somites; pm= presomitic mesoderm.

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 26 olfactory placode , otic vesicle , presomitic mesoderm , somite , pharyngeal arch , [+]

  Fig. 4. Analysis of Xenopus Six4 gene expression during embryonic development. (A) Lateral view of a stage 26 embryo stained for Six4.2. The arrowheads indicate expression in the developing visceral arches. (B) Lateral view of a stage 34 embryo stained for Six4.1. The arrowhead shows the developing olfactory bulb. (C) Lateral view of a stage 39 embryo displaying widespread Six4.1 expression in the visceral arches (va). (D) Frontal view of a stage 22 embryo illustrating widespread Six4.2 in the primitive placodal thickening (ppt). (E) Transverse section of a stage 32 head cut at the level of the cement gland (cg) showing Six4.1 expression in the head mesenchyme (hm). (F) Transverse section through the head of a stage 39 embryo. Inset shows Six4.1 expression in the eye. Abbreviations: de, diencephalon; gcl, ganglion cell layer; hm, head mesenchyme; l, lens; lp, lens placode; ov, otic vesicle; pm, unsegmented paraxial mesoderm; rp, Rathke's pouch; rpe, retinal pigment epithelium; s, somites.

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 32 head mesenchyme

  six4 (SIX homeobox 4) gene in transverse section of Xenopus laevis embryo, NF stage 32 head, at the level of the cement gland (cg). Key:hm= head mesenchyme; de= diencephalon; rp= Rathke's pouch; cg; cement gland.

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 33 and 34 otic vesicle , retina , somite , pharyngeal arch , mandibular arch , [+]

  six4 (SIX homeobox 4) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 33 & 34, lateral view, anterior left, dorsal up. Key: l= lens; arrowhead= olfactory bulb

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 39 otic vesicle , retina , somite , pharyngeal arch , mandibular arch , [+]

  six4 (SIX homeobox 4) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 39, lateral view, anterior left, dorsal up.

Gene Clone Species Stages Anatomy
six4.L laevis NF stage 39 retina , eye , retinal pigmented epithelium , retinal ganglion cell layer , head mesenchyme

  six4 (SIX homeobox 4) gene expression in Xenopus laevis embryo, transverse sections through the head, assayed via in situ hybridization, NF stage 39, dorsal up, and higher magnification of sectioned eye (right). Key: rpe: retinal pigmented epithelium; gcl= ganglionic cell layer, p=pharyngeal endoderm; hm= head mesenchyme; l= lens