Studies of adenovirus SV40 hybrid viruses. II. Defectiveness of the hybrid particles. 1965

W P Rowe, and S G Bau

E46(+) virus purified by limiting dilution and plaque isolation in AGMK cells consists of a mixture of hybrid and non-hybrid virus particles. Of 102 plaque isolates obtained in HEK cells, 98 contained no detectable hybrid virus, while 4 contained a small proportion of hybrid virus. Plaque isolates from AGMK cells uniformly induced SV40 neoantigen, but when these plaque isolates were plaqued in HEK cells the progeny were again non-hybrid adenovirus. It thus appears impossible to obtain a pure line of hybrid virus. The proportion of hybrid virus produced in HEK cells fell progressively with decreasing multiplicity of infection, and plaque induction by E46(+) virus in AGMK followed 2-hit kinetics, indicating that the hybrid virus particles are defective and require dual infection with non-hybrid virus for their propagation.

UI MeSH Term Description Entries
D006824 Hybridization, Genetic The genetic process of crossbreeding between genetically dissimilar parents to produce a hybrid. Crossbreeding,Hybridization, Intraspecies,Crossbreedings,Genetic Hybridization,Genetic Hybridizations,Hybridizations, Genetic,Hybridizations, Intraspecies,Intraspecies Hybridization,Intraspecies Hybridizations
D000256 Adenoviridae A family of non-enveloped viruses infecting mammals (MASTADENOVIRUS) and birds (AVIADENOVIRUS) or both (ATADENOVIRUS). Infections may be asymptomatic or result in a variety of diseases. Adenoviruses,Ichtadenovirus,Adenovirus,Ichtadenoviruses
D013539 Simian virus 40 A species of POLYOMAVIRUS originally isolated from Rhesus monkey kidney tissue. It produces malignancy in human and newborn hamster kidney cell cultures. SV40 Virus,Vacuolating Agent,Polyomavirus macacae,SV 40 Virus,SV 40 Viruses,SV40 Viruses,Vacuolating Agents

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