Detection and characterization of a novel genotype of porcine astrovirus 4 from nasal swabs from pigs with acute respiratory disease

Detection and characterization of a novel genotype of porcine astrovirus 4 from nasal swabs from... Metagenomic sequencing of three nasal swabs collected from 10- to 21-day-old pigs exhibiting unexplained acute respiratory disease from two different commercial production facilities in Oklahoma identified a novel genotype of porcine astrovirus 4 (PAstV-4). The genomes had only ~75 % nucleotide sequence identity to previously characterized PAstV-4 isolates, while the capsid-encoding ORF2 had only ~53 % amino acid sequence identity to reference strains. A TaqMan assay targeting the novel ORF2 gene found 21 % and 19 % incidence in nasal and fecal swabs, respectively, submitted for unrelated diagnostic testing. PAstV-4 RNA levels were significantly higher (P = 0.04) in nasal swabs, suggesting a possible atypical respiratory tropism. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Detection and characterization of a novel genotype of porcine astrovirus 4 from nasal swabs from pigs with acute respiratory disease

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Publisher
Springer Vienna
Copyright
Copyright © 2016 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-016-2937-1
Publisher site
See Article on Publisher Site

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