Development of a real-time PCR assay for detecting and quantifying human bocavirus 2.

J Clin Microbiol

State Key Laboratory for Molecular Virology and Genetic Engineering, National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China.

Published: April 2011


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Article Abstract

Human bocavirus 2 (HBoV2) is a parvovirus that has been recently identified in stool samples from children. Any association between the virus and clinical disease is unclear. A rapid, reliable diagnostic method is necessary to address this issue. In this study, we developed a sensitive and specific HBoV2 quantitative real-time PCR assay that targets the HBoV2 NP-1 gene, based on the TaqMan method. The assay could reproducibly detect 10 copies of a recombinant DNA plasmid containing a partial region of the HBoV2 genome, with a dynamic range of 8 log units (10(1) to 10(8) copies). A clinical evaluation detected HBoV2 in 85 (24.6%) of 345 children with gastroenteritis, with viral loads ranging from 1.67 × 10(2) to 4.27 × 10(9) copies per ml of stool specimen.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3122821PMC
http://dx.doi.org/10.1128/JCM.00196-10DOI Listing

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