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. 2014 Sep 26;9(9):e107928. doi: 10.1371/journal.pone.0107928

Figure 2. Comparative analysis of the anterior border of the Tbx6 domain with expression of her1.

Figure 2

Spatial pattern of the Tbx6 protein (A′-C′; magenta) is compared with those of her1 mRNA (A-C; green) at 3 different phases of segmentation cycle at around the 8 somite stage. Merged images are also indicated (A″-C″). According to the general nomenclature [39], the phases shown in A, B, and C appear to correspond to the phase III, I, and II, respectively. (B-B″) Anterior Tbx6 starts to disappear with some remains (the upper band: arrowhead) (B′). (C-C″) The upper band of Tbx6 disappears and the next Tbx6 anterior border shifts posteriorly. (A-A″) The core domain was extended posteriorly. Out of a total of 42 embryos examined, around 35% of them showed A type, 41% showed B type, 24% showed C type of expression. The dotted lines indicate S-II (A″, B″) and S-II, S-III (C″) regions.