| Search Criteria |
| Gene/Clone | Species | Stage | Anatomy Item | Experimenter |
|---|---|---|---|---|
| tek | xenopus | endocardium [+] |
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Experiment details for tek
Common and distinct signals specify the distribution of blood and vascular cell lineages in Xenopus laevis embryos.Common and distinct signals specify the distribution of blood and vascular cell lineages in Xenopus laevis embryos.
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| Fig. 1. Whole-mount in situ hybridization analysis of Xtie-2 expression in embryos. Lateral views of (A) stage 24 and (B) stage 27 embryos showing positive signals in the prospective endocardiac region (h) and in the surrounding regions of the ventral blood islands (v) in stage 27 embryos. (C) In stage 32 embryos, Xtie-2 is prominently expressed in the endocardium (h) and in the head mesenchyme around the dorsal region of the optic capsule (e) and in the mesenchyme overlying the auditory region (a). The expression is also evident in the branchial region (b), in the cardinal veins (c) and in the peripheral region of ventral blood islands (v). (D) Stage 32 embryos hybridized with Xtie-2 sense probe as a control experiment. Comparison of (E) Xtie-2 and (F) -globin expression in the ventral mesoderm of a stage 32 embryo, showing that the expression patterns of these two genes are mutually exclusive in the ventral blood islands. All the figures are shown at the same magnification. Bar in (A), 0.5 mm. |