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BACKGROUND: Staphylococcus aureus remains a leading cause of hospital-acquired infection but weaknesses inherent in currently available typing methods impede effective infection prevention and control. The high resolution offered by whole genome sequencing has the potential to revolutionise our understanding and management of S. aureus infection. AIM: To outline the practicalities of whole genome sequencing and discuss how it might shape future infection control practice. METHODS: We review conventional typing methods and compare these with the potential offered by whole genome sequencing. FINDINGS: In contrast with conventional methods, whole genome sequencing discriminates down to single nucleotide differences and allows accurate characterisation of transmission events and outbreaks and additionally provides information about the genetic basis of phenotypic characteristics, including antibiotic susceptibility and virulence. However, translating its potential into routine practice will depend on affordability, acceptable turnaround times and on creating a reliable standardised bioinformatic infrastructure. CONCLUSION: Whole genome sequencing has the potential to provide a universal test that facilitates outbreak investigation, enables the detection of emerging strains and predicts their clinical importance.

Original publication

DOI

10.1016/j.jhin.2012.10.003

Type

Journal article

Journal

J Hosp Infect

Publication Date

01/2013

Volume

83

Pages

14 - 21

Keywords

Bacterial Typing Techniques, Cross Infection, Genome, Bacterial, Humans, Infection Control, Molecular Epidemiology, Sequence Analysis, DNA, Staphylococcal Infections, Staphylococcus aureus