Suppl. Material 3. Rostral extension of occipital gene expression domains is conserved in osteichthyans. Headâtrunk interface of (AâC) chicken embryos at HH20, (D,E) mouse embryos at E10.5 pc, (F,G) Xenopus laevis embryos at st36 and (H,I) zebrafish embryos at 48 hpf; lateral views, rostral to the top (AâE) or the right (FâI); the molecular markers used are indicated. The hypobranchial/hypoglossal muscle precursors (HMP) express Lbx1 (A,D,F, arrows) or in the zebrafish, the paralogous gene lbx2 (H, arrows). The paired type homeobox genes Alx4 and Prrx1 are expressed in the lateral mesoderm, with expression domains anticipating the path of the HMP (B,C,E,G,I arrows).
Image published in: Lours-Calet C et al. (2014)
© 2014 The Authors. Creative Commons Attribution license
| Gene | Synonyms | Species | Stage(s) | Tissue |
|---|---|---|---|---|
| alx4.L | fnd2, LOC108713752, LOC108715264 | X. laevis | Throughout NF stage 35 and 36 | pharyngeal arch head hypobranchial placode musculature of face |
| lbx1.L | hpx-6, hpx6, lbx1h | X. laevis | Sometime during NF stage 35 and 36 to NF stage 66 | pharyngeal arch visceral pouch musculature of face hypobranchial placode hypobranchial head muscle |
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