A herpes simplex virus transcript abundant in latently infected neurons is dispensable for establishment of the latent state - PubMed (original) (raw)

A herpes simplex virus transcript abundant in latently infected neurons is dispensable for establishment of the latent state

R T Javier et al. Virology. 1988 Sep.

Abstract

We have previously reported that a novel herpes simplex virus RNA transcript partially overlapping the gene encoding ICPO and expressed from the opposite DNA strand is abundant in sensory neurons of mice harboring a latent infection [J.G. Stevens, E.K. Wagner, G.B. Devi-Rao, M.L. Cook, and L.T. Feldman, Science 235, 1056-1059 (1987)]. This finding suggested that this transcript might be involved in establishment, maintenance, or reactivation of latent virus. To determine the function of this latency-associated transcript (LAT), we have examined the latency characteristics of a deletion mutant which is unable to express the LAT gene. Although no viral transcripts could be found in the lumbosacral ganglia of mice surviving rear footpad infection with this deletion virus, a latent infection had been established since infectious virus could be induced and detected after explanation and cocultivation of ganglia with permissive cells in culture. These results indicate that HSV-1 LAT expression is not an absolute requirement for establishment of the latent state.

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A herpes simplex virus transcript abundant in latently infected neurons is dispensable for establishment of the latent state - PubMed (original) (raw)