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Curr Opin Genet Dev December 1, 2011; 21 (6): 696-703.

Systems control of BMP morphogen flow in vertebrate embryos.

Plouhinec JL , Zakin L , De Robertis EM .

Embryonic morphogenetic programs coordinate cell behavior to ensure robust pattern formation. Having identified components of those programs by molecular genetics, developmental biology is now borrowing concepts and tools from systems biology to decode their regulatory logic. Dorsal-ventral (D-V) patterning of the frog gastrula by Bone Morphogenetic Proteins (BMPs) is one of the best studied examples of a self-regulating embryonic patterning system. Embryological analyses and mathematical modeling are revealing that the BMP activity gradient is maintained by a directed flow of BMP ligands towards the ventral side. Pattern robustness is ensured through feedback control of the levels of extracellular BMP pathway modulators that adjust the flow to the dimensions of the embryonic field.

PubMed ID: 21937218
PMC ID: PMC3224208
Article link: Curr Opin Genet Dev
Grant support: [+]
Genes referenced: krt12.4

Article Images: [+] show captions
Ambrosio, 2008, Pubmed, Xenbase [+]

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