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  • Title: Establishment of latency in vitro with herpes simplex virus temperature-sensitive mutants at nonpermissive temperature.
    Author: Wrzos H, Rapp F.
    Journal: Virus Res; 1987 Nov; 8(4):301-8. PubMed ID: 2829457.
    Abstract:
    This report describes a latency model using human embryo lung cells that were infected with herpes simplex virus type 1 (HSV-1) temperature-sensitive (ts) mutants and cultivated at nonpermissive temperature (40.5 degrees C). ts mutants tsG8 (parental strain HSV-1 KOS) and tsG5 (parental strain HSV-1 13) could be maintained in a latent state at 40.5 degrees C for at least 40 days without exhibiting virus infectivity. During this time, viable virus could be reactivated by reducing the incubation temperature to the permissive level (34 degrees C). Virus replication could be detected 2 to 6 days after temperature reduction and the virus reactivated from the latent state seemed to retain the same ts phenotype as the input virus for at least 14 days.
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