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- Title
Detection of a divergent Parainfluenza 4 virus in an adult patient with influenza like illness using nextgeneration sequencing.
- Authors
Bialasiewicz, Seweryn; McVernon, Jodie; Nolan, Terry; Lambert, Stephen B.; Guoyan Zhao; Wang, David; Nissen, Michael D.; Sloots, Theo P.
- Abstract
Background Human Parainfluenza viruses are a common cause of both upper and lower respiratory tract infections, particularly in children. Of the four Parainfluenza virus serotypes, Parainfluenza 4 is least well characterised from both the clinical, epidemiological and genetic perspectives. Methods Flocked nose or throat swabs from a previous study investigating viral prevalence in community-based adults suffering from influenza like illness were used as the basis for this study. Samples in which no virus was detected using a 16 viral respiratory pathogen real-time PCR panel were barcoded and pyrosequenced using the Roche 454 GS FLX Titanium chemistry. The sequences were analysed using the VirusHunter bioinformatic pipeline. Sanger sequencing was used to complete the detected Parainfluenza 4 coding region. Results A variant Parainfluenza 4 subtype b strain (QLD-01) was discovered in an otherwise healthy adult who presented with influenza like illness. Strain QLD-01 shared genomic similarities with both a and b subtypes. The extent of divergence of this genome from the 5 available whole Parainfluenza 4 genomes impacted the predicted binding efficiencies of the majority of published Parainfluenza 4 PCR assays. Conclusions These findings further support a possible role for Parainfluenza 4 in the aetiology of adult respiratory disease within the community setting, and highlight the caution needed to be used in designing PCR assays from limited sequence information or in using proprietary commercial PCR assays.
- Subjects
PARAINFLUENZA viruses; INFLUENZA; RESPIRATORY infections in children; REVERSE transcriptase polymerase chain reaction; RESPIRATORY syncytial virus; PATIENTS
- Publication
BMC Infectious Diseases, 2014, Vol 14, Issue 1, p1
- ISSN
1471-2334
- Publication type
Article
- DOI
10.1186/1471-2334-14-275