Fig. 1. Structure and expression pattern of XTsh1a. (A) Schematic representation of XTsh1a protein structure. Boxes representing unconventional Teashirt-type Zn finger motifs (Zn) are marked in dark gray, classical Zn finger motifs in light gray, the predicted homeodomain (HD) is indicated in white. (B) Real-time RT-PCR analysis of XTsh1a expression in embryonic stages. Samples were normalized to levels of ornithine decarboxylase (ODC). For better comparison, transcript amounts of the stages are shown relative to stage 6 which was set to 100%. (CâE) Spatiotemporal expression of XTsh1a in neurula stages. Dorsal view, anterior is right. (F) Transverse vibratome section corresponding to the dashed line indicated in panel D. (G, H) Double whole-mount in situ hybridization with XTsh1a probe (brown) in combination with Krox-20 (G, red) or En-2 (H, red) probes. Dorsoanterior view, anterior is down. (IâK) Expression of XTsh1a in tailbud embryos. (I) Transverse vibratome section at the hindbrain level (stage 26). (J, K) Lateral view, anterior is right. mhb; midbrainâhindbrain boundary, nc; notochord, ne; neuroectoderm, nt; neural tube, pn; pronephros, r3/r5; rhombomeres 3/5, dn; diencephalon, o; olfactory placode.
Image published in: Koebernick K et al. (2006)
Copyright © 2006. Image reproduced with permission of the Publisher, Elsevier B. V.
| Gene | Synonyms | Species | Stage(s) | Tissue |
|---|---|---|---|---|
| tshz1.S | ny-co-33, sdccag33, teashirt1, teashirt 1a, tsh1, tshz1-a, tshz1-b, XTsh1a | X. laevis | Sometime during NF stage 13 to NF stage 14 | neural plate neural plate border neuroectoderm |
| egr2.L | EGR-2, Krox-20, krox20, XKr20, XKrox-20 | X. laevis | Throughout NF stage 14 | rhombomere R3 rhombomere R5 neural tube |
| en2.L | En-2, en2-a, en2-b, eng2, engrailed 2, engrailed-2, engrailed homolog 2, maben, xen2 | X. laevis | Throughout NF stage 15 | midbrain-hindbrain boundary neural tube |
| tshz1.S | ny-co-33, sdccag33, teashirt1, teashirt 1a, tsh1, tshz1-a, tshz1-b, XTsh1a | X. laevis | Throughout NF stage 17 | neuroectoderm neural plate neural plate border |
| tshz1.S | ny-co-33, sdccag33, teashirt1, teashirt 1a, tsh1, tshz1-a, tshz1-b, XTsh1a | X. laevis | Throughout NF stage 26 | branchial arch brain pronephric kidney olfactory placode anterior neural tube tail bud pharyngeal region cranial neural crest hindbrain spinal cord diencephalon anterior branchial crest posterior branchial crest hyoid arch |
| tshz1.S | ny-co-33, sdccag33, teashirt1, teashirt 1a, tsh1, tshz1-a, tshz1-b, XTsh1a | X. laevis | Throughout NF stage 33 and 34 | olfactory placode pronephric kidney pharyngeal region spinal cord diencephalon neural tube anterior branchial crest posterior branchial crest mandibular crest hyoid crest |
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