Nonsusceptibility of primate cells to Taura syndrome virus

Carlos R. Pantoja, Solangel A. Navarro, Jaime Naranjo, Donald V. Lightner, Charles P. Gerba

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Taura syndrome virus (TSV), a pathogen of penaeid shrimp and member of the family Dicistroviridae, was recently reported to have the ability to infect primate cells. We independently retested this hypothesis. Three lines of primate cells FRhK-4, MA-104, and BGMK, which are highly susceptible to infection by human picornaviruses, were challenged with TSV. Viral replication was assayed by real-time reverse transcription-polymerase chain reaction using cell media samples collected on days 0, 4, and 7 postchallenge. By day 7, genome copy numbers had decreased 25%-99%. No cytopathic effect was observed after 7 days. An in situ hybridization assay, with gene probes specific for detection of TSV, was negative for TSV in challenged cells. The infectivity of residual virus in the cell culture media at day 7 was confirmed by bioassay using TSV-free indicator shrimp (Litopenaeus vannamei). TSV did not infect the primate cells tested, and no evidence of zoonotic potential was found.

Original languageEnglish (US)
Pages (from-to)2106-2112
Number of pages7
JournalEmerging infectious diseases
Volume10
Issue number12
DOIs
StatePublished - Dec 2004

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases

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