title: An endogenous virus from Lophortyx quail is the prototype for envelope subgroup 1 of avian retroviruses.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000235:genetics*; D001358:Avian Sarcoma Viruses / Q000235:genetics*; D002460:Cell Line; D002472:Cell Transformation, Viral; D002642:Chick Embryo; D002645:Chickens; D003370:Coturnix; D004372:Ducks; D005347:Fibroblasts; D005777:Geese; D010641:Phenotype; D011784:Quail; D013045:Species Specificity; D014759:Viral Envelope Proteins / Q000235:genetics*
chemical_list: D014759:Viral Envelope Proteins