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dsexenopus endomesoderm [+] 

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Experiment details for dsel

Gene expression of the two developmentally regulated dermatan sulfate epimerases in the Xenopus embryo.

Gene expression of the two developmentally regulated dermatan sulfate epimerases in the Xenopus embryo.

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Gene Clone Species Stages Anatomy
dsel.L laevis NF stage 32 endomesoderm

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  Fig 9. Comparison of Dse and Dsel expression in the head. Embryos at stage 32 are shown in lateral views (A,E) and transversal sections (B-D’, F-H’). (A) Dse expression. The bold lines indicate the level of sections in B-D. (B-D’) Dse expression is found in the cranial neural crest (indented arrowheads). Note ventral expression domains in the forebrain, posterior midbrain, hindbrain, and notochord. Weak expression is visible in the trigeminal ganglia. (E) Dsel expression. The bold lines indicate the level of sections in F-H. (F-H’) Dsel expression appears in the cranial neural crest (indented arrowheads) and trigeminal ganglia. Note expression domain in the prechordal mesendoderm. Apparent are low-level transcripts in the entire ventral brain and robust bilateral expression domains in the ventral marginal zone of the mid- and hindbrain (arrows). fb, forebrain; hb, hindbrain; he, heart; mb, midbrain; no, notochord; pm, prechordal mesendoderm; V, trigeminal ganglion. Scale bars are 1 mm (A-H) and 200 μm (B’-H’).

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Gene Clone Species Stages Anatomy
dsel.L laevis NF stage 32 endoderm , sclerotome , hindgut , myotome , hypochord

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  Fig 10. Comparison of Dse and Dsel expression in the trunk. Embryos at stage 32 are shown in lateral views (B,C) and transversal sections (D-G’) after whole-mount in situ hybridization. (A) qPCR analysis of embryonic explants at stage 32. The numbers on the y-axis indicate fold expression of (Dse / eEF1A1) x 1000 (top) and (Dsel / eEF1A1) x 1000 (bottom). Note equal distribution of Dse transcripts in the head, dorsal trunk and ventral trunk. Dsel mRNA is most abundant in the head and is expressed at comparable levels in the dorsal and ventral trunk. (B) Dse expression. The bold lines indicate the level of sections in D and E. (D-E’) Dse expression is detected in the notochord, dermatome, sclerotome and hypochord (inset). (C) Dsel expression. The bold lines indicate the level of sections in F and G. (F-G’) Dsel expression appears in the ventral spinal cord, migrating trunk neural crest cells (arrowhead), myotome, sclerotome, hypochord (inset) and posterior dorsal hindgut endoderm. dm, dermatome; en, endoderm; hc, hypochord; my, myotome; no, notochord; sc, sclerotome; sp, spinal cord. Scale bars are 1 mm (B,C) and 200 μm (D-G’).
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