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Viral Metagenomics on Cerebrospinal Fluid

Laboratory of Experimental Virology, Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
Department of Neurology, Amsterdam UMC, University of Amsterdam, Amsterdam Neuroscience, 1105 AZ Amsterdam, The Netherlands
Author to whom correspondence should be addressed.
Genes 2019, 10(5), 332;
Received: 25 February 2019 / Revised: 23 April 2019 / Accepted: 24 April 2019 / Published: 30 April 2019
(This article belongs to the Special Issue Viral Diagnostics Using Next-Generation Sequencing)
Identifying the causative pathogen in central nervous system (CNS) infections is crucial for patient management and prognosis. Many viruses can cause CNS infections, yet screening for each individually is costly and time-consuming. Most metagenomic assays can theoretically detect all pathogens, but often fail to detect viruses because of their small genome and low viral load. Viral metagenomics overcomes this by enrichment of the viral genomic content in a sample. VIDISCA-NGS is one of the available workflows for viral metagenomics, which requires only a small input volume and allows multiplexing of multiple samples per run. The performance of VIDISCA-NGS was tested on 45 cerebrospinal fluid (CSF) samples from patients with suspected CNS infections in which a virus was identified and quantified by polymerase chain reaction. Eighteen were positive for an RNA virus, and 34 for a herpesvirus. VIDISCA-NGS detected all RNA viruses with a viral load >2 × 104 RNA copies/mL (n = 6) and 8 of 12 of the remaining low load samples. Only one herpesvirus was identified by VIDISCA-NGS, however, when withholding a DNase treatment, 11 of 18 samples with a herpesvirus load >104 DNA copies/mL were detected. Our results indicate that VIDISCA-NGS has the capacity to detect low load RNA viruses in CSF. Herpesvirus DNA in clinical samples is probably non-encapsidated and therefore difficult to detect by VIDISCA-NGS. View Full-Text
Keywords: metagenomics; viromics; metaviromics; virus; CNS infection; cerebrospinal fluid; next-generation sequencing; VIDISCA-NGS; encephalitis metagenomics; viromics; metaviromics; virus; CNS infection; cerebrospinal fluid; next-generation sequencing; VIDISCA-NGS; encephalitis
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MDPI and ACS Style

Edridge, A.W.D.; Deijs, M.; van Zeggeren, I.E.; Kinsella, C.M.; Jebbink, M.F.; Bakker, M.; van de Beek, D.; Brouwer, M.C.; van der Hoek, L. Viral Metagenomics on Cerebrospinal Fluid. Genes 2019, 10, 332.

AMA Style

Edridge AWD, Deijs M, van Zeggeren IE, Kinsella CM, Jebbink MF, Bakker M, van de Beek D, Brouwer MC, van der Hoek L. Viral Metagenomics on Cerebrospinal Fluid. Genes. 2019; 10(5):332.

Chicago/Turabian Style

Edridge, Arthur W.D., Martin Deijs, Ingeborg E. van Zeggeren, Cormac M. Kinsella, Maarten F. Jebbink, Margreet Bakker, Diederik van de Beek, Matthijs C. Brouwer, and Lia van der Hoek. 2019. "Viral Metagenomics on Cerebrospinal Fluid" Genes 10, no. 5: 332.

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