Study identifies protein that helps developing germ cells wipe genes clean of past imprints

A protein called Tet1 is partly responsible for giving primordial germ cells a clean epigenetic slate before developing into sperm and egg cells, according to a new study by researchers at Boston Children's Hospital.

http://www.biologynews.net/archives/2013/12/04/study_identifies_protein_that_helps_developing_germ_cells_wipe_genes_clean_of_past_imprints.html