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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Goosecoid and cerberus-like do not interact during mouse embryogenesis.

Mouse Cerberus-like (Cer-l) is a neural inducer molecule, capable of inhibiting Nodal and BMP-4 signals in the extracelular space. The cer-l expression domain in the Anterior Visceral Endoderm (AVE) and prechordal plate, tissues involved in head induction and patterning, respectively, suggested a role for this gene in head formation. However, animals homozygous for the cer-l null allele failed to show any abnormality, leading us to propose the existence of other factor(s) that might compensate for cer-l loss-of-function. Since goosecoid (gsc) shares some domains of expression with cer-l and was shown to be essential for head morphogenesis, we tested its ability to interact genetically with cer-l. With this aim we generated cer-l;gsc double mutants. These animals were analyzed at birth for skeletal defects and revealed the same phenotype as gsc-/- single mutants. We also investigated the proper patterning of structures adjacent to the prechordal plate by performing in situ hybridization of HNF-3beta, Six-3 and BF-1, genes whose expression domains remained unchanged. In conclusion, the analysis carried out indicated that gsc does not compensate for cer-l loss-of-function and that these genes do not interact genetically.[1]


  1. Goosecoid and cerberus-like do not interact during mouse embryogenesis. Borges, A.C., Marques, S., Belo, J.A. Int. J. Dev. Biol. (2002) [Pubmed]
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