Article
Environmental and genetic modifiers of squint penetrance during zebrafish embryogenesis.
Developmental biology - 15 Aug 2007
Pei Wuhong, Williams P Huw, Clark Matthew D, Stemple Derek L, Feldman Benjamin
Abstract excerpt
The Nodal-related subgroup of the TGFbeta superfamily of secreted cytokines regulates the specification of the mesodermal and endodermal germ layers during gastrulation. Two Nodal-related proteins - Squint (Sqt) and Cyclops (Cyc) - are expressed during germ-layer specification in zebrafish. Genetic sqt mutant phenotypes have defined a variable requirement for zygotic Sqt, but not for maternal Sqt, in midline...
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