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Multidrug-resistant Klebsiella pneumoniae producing the KPC carbapenemase have rapidly spread throughout the world, causing severe healthcare-associated infections with limited antimicrobial treatment options. Dissemination of KPC-producing K. pneumoniae is largely attributed to expansion of a single dominant strain, ST258. In this study, we explore(More)
1 5 Whole genome sequencing (WGS) of bacteria is becoming standard practice 1 6 in many laboratories. Applications for WGS analysis include phylogeography and 1 7 molecular epidemiology, using single nucleotide polymorphisms (SNPs) as the 1 8 unit of evolution. The Northern Arizona SNP Pipeline (NASP) was developed as 1 9 a reproducible pipeline that scales(More)
Increasingly complex drug-resistant tuberculosis (DR-TB) is a major global health concern and one of the primary reasons why TB is now the leading infectious cause of death worldwide. Rapid characterization of a DR-TB patient's complete drug resistance profile would facilitate individualized treatment in place of empirical treatment, improve treatment(More)
The Staphylococcus aureus clonal lineage CC45 is a predominant colonizer of healthy individuals in northern Europe and constitutes a highly basal cluster of the S. aureus population. Here, we report the complete genome sequence of S. aureus strain CA-347 (NRS648), a representative of the methicillin-resistant USA600 clone predominantly found in the United(More)
BACKGROUND Minority resistant M. tuberculosis subpopulations can be associated with phenotypic resistance, but are poorly detected by Sanger sequencing or commercial molecular diagnostic assays. The role of targeted next generation sequencing (NGS) in resolving these minor variant subpopulations is unclear. METHODS We utilized Single Molecule-Overlapping(More)
We used whole-genome sequence typing (WGST) to investigate an outbreak of Sarocladium kiliense bloodstream infections (BSI) associated with receipt of contaminated antinausea medication among oncology patients in Colombia and Chile during 2013-2014. Twenty-five outbreak isolates (18 from patients and 7 from medication vials) and 11 control isolates(More)
Health care-acquired infections (HAIs) kill tens of thousands of people each year and add significantly to health care costs. Multidrug-resistant and epidemic strains are a large proportion of HAI agents, and multidrug-resistant strains of Klebsiella pneumoniae, a leading HAI agent, have caused an urgent public health crisis. In the health care environment,(More)