Fig. 3. Whole mount in situ hybridization analysis of XER81 expression during Xenopus embryogenesis. Staged Xenopus embryos were subjected to whole mount in situ hybridization with XER81 antisense RNA. (A) Blastula (stage 9) embryo (top, animal pole; bottom, vegetal pole). (B) Transverse section of the embryo shown in (A). (C) Gastrula (stage 11) embryo (top-animal hemisphere). (D) Transverse section of the embryo shown in (C). (E,H) Anterior view of staged embryos (stages are indicated). (I,J) Dorsal view of a neurula (stage 17) and a stage 22 embryo; abbreviation: pna, pronephros anlage. (K) Parasagital section of a neural tube stage embryo. (L) Analysis of XER81 expression in a tadpole (stage 34) embryo. (M) is a posterior detail from a sagital section, (N) gives anterior details from a dorsal to ventral series of horizontal sections. Abbreviations: aen, archencephalon; aet, archenteron; anp, anterior neural plate; anr, anterior neural ridge; ba, branchial arches; bc, blastocoel; bv, brain ventricle; cbc, circumblastoporal collar; cg, cement gland; cnh, chorda-neural hinge; dbl, dorsal blastopore lip; den, deuteroencephalon; enc, epithelial layer of neuroectoderm; end, endoderm; ev, ear vesicle; eym, endodermal yolk mass; eyv, eye vesicle; fb, forebrain; fge, foregut epithelium; hm, head mesenchyme; le, lens; mhb, midbrain/hindbrain boundary; mz, marginal zone; nc, notochord; ne, neuroectoderm; nec, neuroenteric canal; pfb, prospective forebrain; pna, pronephvic anlage; pnc, posterior notochord; pnd, pronephric duct; pw, posterior wall; scf, spinal cord floor; scr, spinal cord roof; snc, sensorial layer of neuroectoderm; tae, tip of archenteron; vbl, ventral blastopore lip; vym, vegetal yolk mass.
Image published in: Chen Y et al. (1999)
Copyright © 1999. Image reproduced with permission of the Publisher, Elsevier B. V.
| Gene | Synonyms | Species | Stage(s) | Tissue |
|---|---|---|---|---|
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 11 | marginal zone ventral marginal zone dorsal marginal zone blastopore lip upper blastopore lip lower blastopore lip |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 14 | neural plate pre-chordal neural plate chordal neural plate preplacodal ectoderm anterior placodal area posterior placodal area cardiac mesoderm |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 16 | anterior neural ridge neural plate pre-chordal neural plate chordal neural plate neural fold anterior neural fold presumptive midbrain-hindbrain boundary preplacodal ectoderm anterior placodal area posterior placodal area |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 17 | posterior neural fold presumptive midbrain-hindbrain boundary |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 18 | optic field neural tube preplacodal ectoderm anterior placodal area posterior placodal area |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 19 | pre-chordal neural plate circumblastoporal collar involuted dorsal mesoderm involuted ventral mesoderm tail region |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 22 | preplacodal ectoderm optic vesicle neural tube anterior neural tube midbrain-hindbrain boundary posterior pronephric mesenchyme otic placode |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 33 and 34 | eye midbrain-hindbrain boundary fin posterior wall of neurenteric canal spinal cord floor plate chordoneural hinge pronephric duct otic vesicle prechordal plate lens epithelium lens pharyngeal arch branchial arch brain forebrain pronephric kidney tail region tail bud |
| etv1.S | er81, XER81 | X. laevis | Throughout NF stage 9 | animal cap |
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