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Novel Atlantic bottlenose dolphin parainfluenza virus TtPIV-1 clusters with bovine PIV-3 genotype B strains

Author:
Kirsten C. Eberle, John D. Neill, Stephanie K. Venn-Watson, Jodi L. McGill, Randy E. Sacco
Source:
Virus Genes 2015 v.51 no.2 pp. 198-208
ISSN:
0920-8569
Subject:
DNA-directed RNA polymerase, Tursiops truncatus, bovine respiratory disease, cattle, cell lines, children, dolphins, genes, genotype, humans, in vitro studies, interleukin-6, interleukin-8, microbial growth, phylogeny, sequence analysis, strains, viruses, United States
Abstract:
Parainfluenza virus 3 (PIV-3) is a common viral infection not only in humans, but also in many other species. Serological evidence suggests that nearly 100 % of children in the United States have been infected with PIV-3 by 5 years of age. Similarly, in cattle, PIV-3 is commonly associated with bovine respiratory disease complex. A novel dolphin PIV-3 (TtPIV-1) was described by Nollens et al. in 2008 from a dolphin that was diagnosed with an unknown respiratory illness. At that time, TtPIV-1 was found to be most similar to, but distinct from, bovine PIV-3 (BPIV-3). In the present study, similar viral growth kinetics and pro-inflammatory cytokine (IL-1b, IL-6, and CXCL8) production were seen between BPIV-3 and TtPIV-1 in BEAS-2B, MDBK, and Vero cell lines. Initial nomenclature of TtPIV-1 was based on partial sequence of the fusion and RNA polymerase genes. Based on the similarities we saw with the in vitro work, it was important to examine the TtPIV-1 genome in more detail. Full genome sequencing and subsequent phylogenetic analysis revealed that all six viral genes of TtPIV-1 clustered within the recently described BPIV-3 genotype B strains, and it is proposed that TtPIV-1 be re-classified with BPIV-3 genotype B strains.
Agid:
61566
Handle:
10113/61566