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Figure 7 | BMC Developmental Biology

Figure 7

From: Visceral regeneration in a sea cucumber involves extensive expression of survivin and mortalin homologs in the mesothelium

Figure 7

In situ hybridization. Expression of mortalin in gut tissues on day 6 after evisceration. (A) In situ hybridization signal in the mesothelium of the posterior rudiment. Note that the signal is weak or completely absent from the anti-mesenterial region of the rudiment (arrow) and from the bottom of mesothelial furrows (arrowhead). The inset shows a low-magnification view of the posterior rudiment with the boxed area corresponding to the main image. (B) The posterior tip of the esophageal stump. Note strong in situ hybridization signal in the mesothelium and moderate signal in the luminal (digestive) epithelium. (C) Strong expression of mortalin in the mesothelium of the anterior mesentery. de - digestive (luminal) epithelium; ct - connective tissue layer; m - mesothelium. Scale bars = 50 μm in (A); 200 μm in (A inset); 100 μm in (B) and (C).

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