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

Authors: Borges, AC  Marques, S  Belo, JA 
Citation: Borges AC, etal., Int J Dev Biol 2002 Mar;46(2):259-62.
Pubmed: (View Article at PubMed) PMID:11934155
DOI: Full-text: DOI:10.1387/ijdb.011496

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.

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CRRD Object Information
CRRD ID: 1547832
Created: 2005-08-10
Species: All species
Last Modified: 2005-08-10
Status: ACTIVE



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