NewslettersUmbilical & Placental Cell NewsOrigination of LTR Retroelement-Derived NYNRIN Coincides with Therian Placental EmergenceBy Bob - August 18, 20220178Researchers identified NYNRIN as another Ty3/Gypsy LTR retroelement-derived gene likely to contribute to placental emergence in the therian stem lineage.[Molecular Biology and Evolution]Abstract