The Wnt ligand participating in the P2-to-EMS interaction during early Caenorhabditis elegans development.
A signal from the neighbouring P2 cell helps distinguish the developmental programmes of the EMS daughters. Combining wild-type and mutant blastomeres tests whether a defect lies in signal production or in the responding cell’s competence. [ref]
Molecular Biology of the Cell, 4th edition by Bruce Alberts and others. Chapter 21, Caenorhabditis elegans development and cell-cell interactions
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