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Using BOX-PCR to exclude a clonal outbreak of melioidosis

Currie, Bart J., Gal, Daniel, Mayo, Mark, Ward, Linda, Godoy, Daniel, Spratt, Brian G. and LiPuma, John J. (2007). Using BOX-PCR to exclude a clonal outbreak of melioidosis. BMC Infectious Diseases,7:68-74.

Document type: Journal Article
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Title Using BOX-PCR to exclude a clonal outbreak of melioidosis
Author Currie, Bart J.
Gal, Daniel
Mayo, Mark
Ward, Linda
Godoy, Daniel
Spratt, Brian G.
LiPuma, John J.
Journal Name BMC Infectious Diseases
Publication Date 2007
Volume Number 7
ISSN 1471-2334   (check CDU catalogue open catalogue search in new window)
Start Page 68
End Page 74
Total Pages 7
Place of Publication United Kingdom
Publisher BioMed Central Ltd.
Abstract Background: Although melioidosis in endemic regions is usually caused by a diverse range of Burkholderia pseudomallei strains, clonal outbreaks from contaminated potable water have been described. Furthermore B. pseudomallei is classified as a CDC Group B bioterrorism agent. Ribotyping, pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) have been used to identify genetically related B. pseudomallei isolates, but they are time consuming and technically challenging for many laboratories.

Methods: We have adapted repetitive sequence typing using a BOX A1R primer for typing B. pseudomallei and compared BOX-PCR fingerprinting results on a wide range of well-characterized B. pseudomallei isolates with MLST and PFGE performed on the same isolates.

Results: BOX-PCR typing compared favourably with MLST and PFGE performed on the same isolates, both discriminating between the majority of multilocus sequence types and showing relatedness between epidemiologically linked isolates from various outbreak clusters.

Conclusion: Our results suggest that BOX-PCR can be used to exclude a clonal outbreak of melioidosis within 10 hours of receiving the bacterial strains.
Keywords Burkholderia pseudomallei
CDC Group B bioterrorism agent
pulsed-field gel electrophoresis (PFGE)
multilocus sequence typing (MLST)
BOX-PCR fingerprinting
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