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cldn6.2xenopus   

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Experiment details for cldn6.2

Gene expression pattern analysis of the tight junction protein, Claudin, in the early morphogenesis of Xenopus embryos.

Gene expression pattern analysis of the tight junction protein, Claudin, in the early morphogenesis of Xenopus embryos.

Gene Clone Species Stages Anatomy
cldn6.2.L laevis NF stage 10.25 mesoderm , blastocoel roof
cldn6.2.L laevis NF stage 11 ectoderm , sensorial layer , epithelium
cldn6.2.L laevis NF stage 12 ectoderm , involuting marginal zone

  Fig. 2. Expression of Xenopus claudin-4L1, -4L2, and -7L1 genes in gastrula embryos. (a–c) Vegetal view of midgastrulae. (d,e) An animal pole area of sagittal section of early gastrula (-4L1) in bright field (d) and DAPI staining (e). The blastocoel was collapsed in this section. Sagittal hemisections of early gastrulae (f–h) or late gastrulae (i–k). (l–n) Enlargement of upper part of the archenteron of i–k, respectively. ac, archenteron; bc, blastocoel; el, epithelial layer of ectoderm; sl, sensorial layer of ectoderm; arrowhead, blastopore; small arrows in f–h, mesodermal expression; large arrows in l–n, expression in the archenteron roof; dotted line in i–k indicates the blastocoel. Developmental stages (st.) are shown above each column of pictures.

Gene Clone Species Stages Anatomy
cldn6.2.L laevis NF stage 13 to NF stage 21 neural groove , neural plate
cldn6.2.L laevis NF stage 13 to NF stage 44 otic vesicle , otic placode , pronephric mesenchyme , branchial arch skeleton , neural tube

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  Fig. 3. Expression of Xenopus claudin-4L1, -4L2, and -7L1 genes in neurula to early tailbud stage embryos. (a–c) early neurula. (d–i) midneurula. (j–o) late neurula. (p–r) tailbud stage embryo. (a–l) dorsal view. Anterior is up. (m–r) lateral view. Anterior to the left. br, Branchial arch; ng, neural groove; op, otic placode; ov, otic vesicle; pn, pronephros.

Gene Clone Species Stages Anatomy
cldn6.2.L laevis NF stage 13 to NF stage 44 epidermis , endoderm , sensorial layer
cldn6.2.L laevis NF stage 15 to NF stage 18 ectoderm , epidermis , sensorial layer , epithelium
cldn6.2.L laevis NF stage 15 to NF stage 21 neural groove

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  Fig. 4. Expression of Xenopus claudin genes examined by transverse sections of embryos. Expression of either Claudin-4L1 or -4L2 was shown, because Claudin-4L1 and -4L2 showed similar expression patterns. (a) claudin-4L1 at stage 15. (b) claudin-4L2 at stage 17/18. (c) claudin-4L2 at stage 21. (e–g) claudin-7L1 at stage 15 (e), stage 17/18 (f), and stage 21 (g). (d,h) Enlargement of the ventral region of c and g, respectively. Dorsal is up. Upper panels, bright field; lower panels, DAPI staining. el, epithelial layer of epidermal ectoderm; end, endoderm; sl, sensorial layer of epidermal ectoderm.