The wunen gene of Drosophila melanogaster encodes a multipass membrane-spanning protein that negatively regulates primordial germ cell migration. Here we describe the cloning of a mouse gene that encodes a protein homologous to wunen and to the Type 2 phosphatidic acid phosphatases. This gene encodes a 251-amino-acid protein that most closely resembles the human Type 2 phosphatidic acid phosphatase PAP-2c. Northern blot analysis revealed the presence of a single 1.9-kb Ppap2c transcript. The Ppap2c gene was localized to the central portion of mouse Chromosome 10 by interspecific backcross analysis. (C) 2000 Academic Press.
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