Larger Image Fig. 3. Pitx1 and Shroom3 are co-expressed in the developing gut. (A-C) Expression patterns of (A) Pitx1 and (B) Shroom3 in a transverse section of the stage 32 Xenopus embryo, as schematized in C. Both Shroom3 and Pitx1 are expressed in the archenteron roof and floor (arrowheads). (D,E) At stage 44, a ventral view of dissected guts reveals that both (D) Pitx1 and (E) Shroom3 are expressed in the foregut (arrows). Image published in: Chung MI et al. (2010) Copyright © 2010. Image reproduced with permission of the publisher and the copyright holder. This is an Open Access article distributed under the terms of the Creative Commons Attribution License.
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