X-Nico

2 unusual facts about Gastrulation


Gastrulation

FGF8 is implicated in the process of this dispersal from the primitive streak.

Many signaling pathways contribute to this reorganization, including BMP, FGF, nodal, and Wnt.


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gastrulation |

Cerberus gene family

Anterior-posterior patterning by Cerberus is accomplished by acting as an antagonist to nodal, bmp, and wnt signaling molecules in the anterior region of the vertebrate embryo during gastrulation.

PAX7

Pax-7 plays a role in neural crest development and gastrulation, and it is an important factor in the expression of neural crest markers such as Slug, Sox9, Sox10 and HNK-1.

Primitive streak

To form the streak, reptiles, birds and mammals arrange mesenchymal cells along the prospective midline, establishing the second embryonic axis, as well as the place where cells will ingress and migrate during the process of gastrulation and germ layer formation.


see also