Titration of murine leukemia viruses with rat cell line RFL.
Normal rat embryo cell (RFL) from syncytia after infection with murine leukemia virus. The assay for counting the number of syncytium foci produced in RFL cells is a sensitive method for a direct infectivity assay of murine leukemia virus.
D000818:Animals; D002459:Cell Fusion; D002460:Cell Line; D007181:Inclusion Bodies, Viral; D008979:Moloney murine leukemia virus / Q000254:growth & development / Q000302:isolation & purification* / Q000528:radiation effects; D051381:Rats; D014466:Ultraviolet Rays; D014776:Virus Cultivation