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aldh1a2xenopus   

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Experiment details for aldh1a2

Increased XRALDH2 activity has a posteriorizing effect on the central nervous system of Xenopus embryos.

Increased XRALDH2 activity has a posteriorizing effect on the central nervous system of Xenopus embryos.

Gene Clone Species Stages Anatomy
aldh1a2.L laevis NF stage 10 to NF stage 10.5 marginal zone , involuting marginal zone , upper blastopore lip
aldh1a2.L laevis NF stage 11 to NF stage 11.5 involuting marginal zone , involuted dorsal mesoderm
aldh1a2.L laevis NF stage 12 involuting marginal zone , involuted dorsal mesoderm
aldh1a2.L laevis NF stage 13 intermediate mesoderm , lateral plate mesoderm
aldh1a2.L laevis NF stage 14 mesoderm , presomitic mesoderm , intermediate mesoderm , lateral plate mesoderm
aldh1a2.L laevis NF stage 15 mesoderm , presomitic mesoderm , lateral plate mesoderm , olfactory region , optic field
aldh1a2.L laevis NF stage 16 stomodeal-hypophyseal primordium , intermediate mesoderm , optic vesicle , lateral plate mesoderm
aldh1a2.L laevis NF stage 18 intermediate mesoderm , lateral plate mesoderm , optic field
aldh1a2.L laevis NF stage 20 stomodeal-hypophyseal primordium , intermediate mesoderm , lateral plate mesoderm , optic field
aldh1a2.L laevis NF stage 21 stomodeal-hypophyseal primordium , intermediate mesoderm , lateral plate mesoderm , optic field
aldh1a2.L laevis NF stage 25 olfactory placode , retina , roof plate , stomodeal-hypophyseal primordium , otic placode , [+]
aldh1a2.L laevis NF stage 33 and 34 otic vesicle , pronephric duct , ciliary marginal zone , lateral plate mesoderm , pronephric kidney
aldh1a2.L laevis NF stage 35 and 36 otic vesicle , pronephric duct , ciliary marginal zone , lateral plate mesoderm , sensorial layer , [+]

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  Fig. 2. XRALDH2 is differentially expressed during Xenopus development. (A) XRALDH2 mRNA levels during Xenopus embryogenesis and in adult tissues revealed by RT-PCR. RT-PCR analysis with RNA preparations from staged embryos (embryonic stages indicated according to Nieuwkoop and Faber (1967)) and from adult tissues. Histone H4 was used as an RNA loading control. (B) Whole-mount in situ hybridization analysis using XRALDH2 antisense RNA. (1–3) Posterior view (top, dorsal; bottom, ventral); (4), dorsal view (top, anterior; bottom, posterior); (5,6), dorsal and ventral views, respectively (left, anterior; right, posterior); (7–10), anterior view; (11), lateral view; (2a), sagittal section of a stage 11 embryo; (4a,11a,11b), transverse sections (top, dorsal; bottom, ventral); (10a), the section plane is indicated by the red rectangle in panel 10. (C) Double staining whole-mount in situ hybridization of XRALDH2 (red) and XCYP26 (blue). (1–3), posterior view (top, dorsal; bottom, ventral); (4), dorsal view (top, posterior; bottom, anterior); (5), anterior view; (6), lateral view; (2a), sagittal section; (6a), higher magnification of the head region of 6; (6b, 6c), frontal section (top, dorsal; bottom, ventral); (6d), horizontal section (top, anterior; bottom, posterior). Red dashed lines and rectangles in (B) and (C) indicate the locations for vibratome sections. Nieuwkoop–Faber stages of embryogenesis are indicated in the lower right corner of each picture ( Nieuwkoop and Faber, 1967). (B,C) ar, Archenteron; cg, cement gland; dc, diencephalon; dz, deep zone of involuting marginal zone; ec, ectoderm; el, epithelial layer of involuting marginal zone; ele, epithelial layer of ectoderm; ls, lens; m, mesoderm; mc, mesencephalon; md, developing mesonephric duct; mg, midgut; m/h, midbrain/hindbrain boundary expression of XCYP26; no, notochord; oe, oral epithelia; op, olfactory placode; pc, prosencephalon; pe, pigment epithelium of retina; r3, rhombomere 3 domain of XCYP26; rc, rhombencephalon; re, retina; sc, spinal cord; sh, stomodeal–hypophyseal anlage; sl, sensorial layer of ectoderm; zii, zone of internal involution.