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List of works by Randall J. Olsen

A Single Amino Acid Replacement in the Sensor Kinase LiaS Contributes to a Carrier Phenotype in Group A Streptococcus.

scientific article

A combination of independent transcriptional regulators shapes bacterial virulence gene expression during infection

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A molecular trigger for intercontinental epidemics of group A Streptococcus.

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A prospective observational cohort study in primary care practices to identify factors associated with treatment failure in Staphylococcus aureus skin and soft tissue infections

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Absence of patient-to-patient intrahospital transmission of Staphylococcus aureus as determined by whole-genome sequencing.

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Acute leukemia immunohistochemistry: a systematic diagnostic approach

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Adhesin competence repressor (AdcR) from Streptococcus pyogenes controls adaptive responses to zinc limitation and contributes to virulence.

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An amino-terminal signal peptide of Vfr protein negatively influences RopB-dependent SpeB expression and attenuates virulence in Streptococcus pyogenes

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Asymptomatic carriage of group A streptococcus is associated with elimination of capsule production

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Bacterial genomics in infectious disease and the clinical pathology laboratory.

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Clinical laboratory response to a mock outbreak of invasive bacterial infections: a preparedness study.

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Crystal Structure of Peroxide Stress Regulator from Streptococcus pyogenes Provides Functional Insights into the Mechanism of Oxidative Stress Sensing

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Decreased necrotizing fasciitis capacity caused by a single nucleotide mutation that alters a multiple gene virulence axis

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Distinct Single Amino Acid Replacements in the Control of Virulence Regulator Protein Differentially Impact Streptococcal Pathogenesis ⬇️

scientific article published on October 20, 2011

Does the measure of economic disadvantage matter? Exploring the effect of individual and relative deprivation on intrauterine growth restriction

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Evaluation of a miniature microscope objective designed for fluorescence array microscopy detection of Mycobacterium tuberculosis

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Evolutionary pathway to increased virulence and epidemic group A Streptococcus disease derived from 3,615 genome sequences

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Improving positive blood culture removal time significantly decreases total processing time

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Integrating Rapid Diagnostics and Antimicrobial Stewardship in Two Community Hospitals Improved Process Measures and Antibiotic Adjustment Time

scientific article published on 7 January 2016

Integrating Rapid Pathogen Identification and Antimicrobial Stewardship Significantly Decreases Hospital Costs ⬇️

scientific article published on December 6, 2012

Integrating rapid diagnostics and antimicrobial stewardship improves outcomes in patients with antibiotic-resistant Gram-negative bacteremia

scientific article

Intergenic Variable-Number Tandem-Repeat Polymorphism Upstream of rocA Alters Toxin Production and Enhances Virulence in Streptococcus pyogenes

scientific article published on 02 May 2016

Lack of a major role of Staphylococcus aureus Panton-Valentine leukocidin in lower respiratory tract infection in nonhuman primates

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Molecular dissection of the evolution of carbapenem-resistant multilocus sequence type 258 Klebsiella pneumoniae

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Molecular pathogenesis of necrotizing fasciitis

scientific article published on January 2010

Mycobacterial synovitis caused by slow-growing nonchromogenic species: eighteen cases and a review of the literature

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Natural variant of collagen-like protein a in serotype M3 group a Streptococcus increases adherence and decreases invasive potential

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Natural variation in the promoter of the gene encoding the Mga regulator alters host-pathogen interactions in group a Streptococcus carrier strains

scientific article published on 26 August 2013

Naturally occurring single amino acid replacements in a regulatory protein alter streptococcal gene expression and virulence in mice.

scientific article

Niche-specific contribution to streptococcal virulence of a MalR-regulated carbohydrate binding protein

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Opacification Domain of Serum Opacity Factor Inhibits Beta-Hemolysis and Contributes to Virulence of Streptococcus pyogenes

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PBP2a mutations causing high-level Ceftaroline resistance in clinical methicillin-resistant Staphylococcus aureus isolates.

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Phosphorylation events in the multiple gene regulator of group A Streptococcus significantly influence global gene expression and virulence

scientific article published on 30 March 2015

Polycythemia vera: new clinicopathologic perspectives

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Polymorphisms in regulator of protease B (RopB) alter disease phenotype and strain virulence of serotype M3 group A Streptococcus

scientific article published on 18 January 2012

Population Genomic Analysis of 1,777 Extended-Spectrum Beta-Lactamase-Producing Klebsiella pneumoniae Isolates, Houston, Texas: Unexpected Abundance of Clonal Group 307.

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Portable, battery-operated, low-cost, bright field and fluorescence microscope

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Prognostic impact of C-REL expression in diffuse large B-cell lymphoma.

scientific article published on 13 February 2009

Progress and potential: training in genomic pathology

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Rapid Emergence of a New Clone Impacts the Population at Risk and Increases the Incidence of Type emm89 Group A Streptococcus Invasive Disease

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Seasonal H3N2 influenza A virus fails to enhance Staphylococcus aureus co-infection in a non-human primate respiratory tract infection model

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Severe necrotizing fasciitis in a human immunodeficiency virus-positive patient caused by methicillin-resistant Staphylococcus aureus

scientific article published on 16 January 2008

Spontaneous bacterial pericarditis with tamponade due to Ureaplasma spp.

scientific article published on 22 April 2009

Spread of virulent group A Streptococcus type emm59 from Montana to Wyoming, USA.

scientific article published on April 2014

Strategy for Rapid Identification and Antibiotic Susceptibility Testing of Gram-Negative Bacteria Directly Recovered from Positive Blood Cultures Using the Bruker MALDI Biotyper and the BD Phoenix System ⬇️

scientific article published on April 18, 2012

Structural and functional analysis of RopB: a major virulence regulator in Streptococcus pyogenes.

scientific article published on 29 December 2015

Trading Capsule for Increased Cytotoxin Production: Contribution to Virulence of a Newly Emerged Clade of emm89 Streptococcus pyogenes

scientific article

Transcriptome Remodeling Contributes to Epidemic Disease Caused by the Human Pathogen Streptococcus pyogenes

scientific article published on 31 May 2016

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