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  • Opinion
  • Published:

Clinical and biological insights from viral genome sequencing

Abstract

Whole-genome sequencing (WGS) of pathogens is becoming increasingly important not only for basic research but also for clinical science and practice. In virology, WGS is important for the development of novel treatments and vaccines, and for increasing the power of molecular epidemiology and evolutionary genomics. In this Opinion article, we suggest that WGS of viruses in a clinical setting will become increasingly important for patient care. We give an overview of different WGS methods that are used in virology and summarize their advantages and disadvantages. Although there are only partially addressed technical, financial and ethical issues in regard to the clinical application of viral WGS, this technique provides important insights into virus transmission, evolution and pathogenesis.

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Figure 1: Methods for sequencing viral genomes from clinical specimens.
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Acknowledgements

The authors thank J. Brown and K. Gilmour (Great Ormond Street Hospital (GOSH), London, UK) and R. Doyle (University College London (UCL), UK) for their helpful discussions, and J. Quick (University of Birmingham, UK) for sharing unpublished MinION statistics. C.J.H. was funded by Action Medical Research (grant GN2424). M.A.B. was funded through the European Union's Seventh Programme for research, technological development and demonstration under grant agreement number 304875 held by J.B. This work was supported by the UK National Institute for Health Research Biomedical Research Centre at GOSH National Health Service (NHS) Foundation Trust and UCL. J.B. receives funding from the University College London Hospitals (UCLH)/UCL National Institute for Health Research Biomedical Research Centre. The authors acknowledge infrastructure support for the UCL Pathogen Genomics Unit, from the UCL UK Medical Research Council (MRC) Centre for Molecular Medical Virology and the UCLH/UCL National Institute for Health Research Biomedical Research Centre. The funders had no role in study design, data collection and interpretation, or the decision to submit work for publication.

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Houldcroft, C., Beale, M. & Breuer, J. Clinical and biological insights from viral genome sequencing. Nat Rev Microbiol 15, 183–192 (2017). https://doi.org/10.1038/nrmicro.2016.182

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