Comparative in situ hybridization analysis of X. tropicalis Ngn1, Ngn2, Ngn3, and X. laevis Ngn1, Ngnr-1, and Ngn3 in stage 30 embryos. Probes are indicated on the left of each line of embryos. Fourth panel, transverse section at the level of the retina; fifth panel, transverse section at the level of the otic vesicle. The transversal sections were performed with embryos stained for both Ngn (dark blue) and N-tubulin (red). VII, facial epibranchial placode; IX, glossopharyngeal epibranchial placode; X1, first vagal epibranchial placode; X2, second vagal epibranchial placode; X3, third vagal epibranchial placode; hb, hindbrain; mb, midbrain; nc, notochord; op, olfactory placode; vOT, otic vesicle; tg, trigeminal placode; pg, pineal gland; pP, posterior lateral line placode; pM, middle lateral line placode; pAD, anterodorsal lateral line placode; r, retina.
This image is extracted from figure published in: Nieber F et al. (2009), Image published in: Liu Y and Szaro BG (2011)
Copyright © 2009. Image reproduced with permission of the Publisher, John Wiley & Sons.
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