Match tier Institution-verified
Presence Current · Arkansas
Last published 2026
Sources Institutional record
Refreshed 2026-08-20
Mark S. Smeltzer profile photo

Mark S. Smeltzer

Sourced from institutional research profiles (UAMS TRI or ARA).

◆ ARA Academy Federal Grant PI High Impact

Infectious Disease Research - UAMS Center for Microbial Pathogenesis and Host Inflammatory Responses

Also affiliated: Rhodes College (2017); Arkansas Children's Hospital (2005); Kansas State University (1992–1994); University of Arkansas Medical Center (2006); United States Equestrian Federation (2006); United States Army Medical Research and Development Command (2015); Thomas Jefferson National Accelerator Facility (2015); Schlumberger (Ireland) (2023); Zimmer Biomet (United States) (2016); Bipar (1999–2009); Nelson Engineering (United States) (2005); Creative Research Enterprises (United States) (2016); Arkansas Department of Agriculture (2005); University of Memphis (2016–2017)

Faculty Researcher

Microbiology & Immunology, College of Medicine

55 h-index 169 pubs 11,189 cited

  • Staphylococcus aureus
  • Biofilms
  • Humans
  • Staphylococcal Infections
  • Animals
  • Bacterial Proteins
  • Gene Expression Regulation, Bacterial
  • Mice
  • Anti-Bacterial Agents
  • Osteomyelitis
  • Mutation
  • Trans-Activators
  • Disease Models, Animal
  • Virulence
  • Microbial Sensitivity Tests

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Biography and Research Information

OverviewAI-generated summary

Mark S. Smeltzer's research focuses on the pathogenesis of bacterial infections, particularly those caused by *Staphylococcus aureus*. His work investigates the molecular mechanisms underlying these infections, including the role of bacterial virulence factors, gene expression regulation, and the formation of biofilms. Smeltzer has received significant federal funding to support this research, including multiple NIH grants totaling over $2 million, serving as PI on several awards focused on microbial pathogenesis and host inflammatory responses. His laboratory has explored strategies for combating *Staphylococcus aureus* infections, such as evaluating local antibiotic delivery systems using bone filler scaffolds and investigating novel anti-Gram-positive bacterial agents. Smeltzer also leads a research group and maintains an active lab website, indicating a commitment to advancing and disseminating knowledge in his field.

His scholarly contributions are evidenced by a substantial publication record, with 168 total publications and over 11,000 citations, reflecting a h-index of 55. His recent publications delve into specific aspects of *Staphylococcus aureus* pathogenesis, including the impact of protease production on virulence, the role of specific genetic mutations (e.g., *purR*, *sarA*) in virulence factor accumulation, and the host immune response, such as RANKL-mediated osteoclast formation in osteomyelitis models. Smeltzer collaborates with several researchers at the University of Arkansas for Medical Sciences, including Karen E. Beenken and Mara J. Campbell, with whom he has co-authored numerous publications, highlighting a strong collaborative network within his institution. His designation as a fellow of the ARA Academy and recognition as a highly cited researcher underscore his impact in the field of infectious diseases.

Metrics

  • h-index: 55
  • Publications: 169
  • Citations: 11,189

Selected Publications

  • Osteomyelitis (2026)
    Nature Reviews Disease Primers 1 citation DOI OpenAlex
  • A transcriptomic-driven segmentation and cell simulation framework for high-resolution spatial transcriptomics and cell-cell communication (2026)
    bioRxiv (Cold Spring Harbor Laboratory) DOI OpenAlex
  • Mechanistic insights into the pathogenesis and therapeutic recalcitrance of <i>Staphylococcus aureus</i> osteomyelitis (2026)
    Clinical Microbiology Reviews 3 citations DOI OpenAlex
  • Lipolysis of host triacylglyceride-rich lipoproteins creates a toxic microenvironment for <i>Staphylococcus aureus</i> (2026)
    bioRxiv (Cold Spring Harbor Laboratory) DOI OpenAlex
  • Staphylococcus aureus Biofilm-Associated Infections: Have We Found a Clinically Relevant Target? (2025)
    Microorganisms 18 citations DOI OpenAlex
  • Staphylococcus aureus Proteins Implicated in the Reduced Virulence of sarA and sarA/agr Mutants in Osteomyelitis (2025)
    Microorganisms 6 citations DOI OpenAlex
  • The ability of <i>sarA</i> to limit protease production plays a key role in the pathogenesis of <i>Staphylococcus aureus</i> osteomyelitis irrespective of the functional status of <i>agr</i> (2024)
    Infection and Immunity 15 citations DOI OpenAlex
  • RANKL-mediated osteoclast formation is required for bone loss in a murine model of Staphylococcus aureus osteomyelitis (2024)
    Bone 19 citations DOI OpenAlex
  • Increased production of aureolysin and staphopain A is a primary determinant of the reduced virulence of <i>Staphylococcus aureus sarA</i> mutants in osteomyelitis (2024)
    mBio 13 citations DOI OpenAlex
  • Comparative evaluation of small molecules reported to be inhibitors of <i>Staphylococcus aureus</i> biofilm formation (2023)
    Microbiology Spectrum 7 citations DOI OpenAlex
  • Cartilage-inspired surface textures for improved tribological performance of orthopedic implants (2022)
    Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials 6 citations DOI OpenAlex
  • The major role of <i>sarA</i> in limiting <i>Staphylococcus aureus</i> extracellular protease production is correlated with decreased virulence in diverse clinical isolates in osteomyelitis (2022)
    bioRxiv (Cold Spring Harbor Laboratory) DOI OpenAlex
  • Pyroptosis and pyroptosis-inducing cancer drugs (2022)
    Acta Pharmacologica Sinica 157 citations DOI OpenAlex
  • Is amplification bias consequential in transposon sequencing (TnSeq) assays? A case study with a Staphylococcus aureus TnSeq library subjected to PCR-based and amplification-free enrichment methods (2021)
    Microbial Genomics 2 citations DOI OpenAlex
  • Evaluation of a bone filler scaffold for local antibiotic delivery to prevent Staphylococcus aureus infection in a contaminated bone defect (2021)
    Scientific Reports 25 citations DOI OpenAlex

View all publications on OpenAlex →

ARA Academy 2017 ARA Fellow

Dr. Smeltzer dedicates his research to combating Staphylococcus aureus, a bacterial pathogen responsible for approximately 20,000 American deaths annually. He focuses on bone infections and those involving indwelling orthopaedic devices. He also serves as Program Director of a COBRE promoting infectious disease research capacity at UAMS and central Arkansas.

Policy Impact

Leads a COBRE center promoting infectious disease research capacity in central Arkansas, generating NIH institutional funding and training biomedical researchers.

Growth Areas

['Population Health Innovations & Clinical Research']

Federal Grants 4 $2,046,459 total

NIH Co-PI Jul 2026 - Jun 2031

Clinician Research Education and Scientific Training (CREST) Program

National Institute of General Medical Sciences $269,148 T32
NIH Contact PI May 2022 - Apr 2027

Center for Microbial Pathogenesis and Host Inflammatory Responses

National Institute of General Medical Sciences $1,140,000 P30
NIH Contact PI Jun 2015 - Aug 2027

Defining the role of post-translational regulation by extracellular proteases in the pathogenesis of Staphylococcus aureus osteomyelitis

National Institute of Allergy and Infectious Diseases $451,739 R01
NIH Contact PI Aug 2012 - Apr 2023

Shared Resource to Investigate Cellular Metabolism

National Institute of General Medical Sciences $185,572 P20

Research Interests

Staphylococcus aureus, Staphylococcal infection, Osteomyelitis, Biofilm, Regulation

Grants & Funding

As listed on this researcher's institutional profile. Federal awards with verified records are shown above.

  • sarA as a Target for the Treatment and Prevention of Staphylococcal Biofilm-Associated Infection US Department of the Army Principal Investigator
  • sar-mediated regulation in Staphylococcus aureus NIH Principal Investigator
  • Capsule regulatory network in S. aureus pathogenesis NIH Co-Investigator
  • Biofilm Dissemination in Staphylococcus aureus NIH/Nat. Inst. of Allergy & Infectious Diseases via University of Southern Mississippi Principal Investigator
  • Investigating a Flexible, Degradable Local Antimicrobial Delivery System - Continuation - Continuation DHHS - Biomedical Advanced Research and Development Authority via University of Memphis Principal Investigator
  • Chitosan films for prevention of wound infections US Department of the Army Principal Investigator
  • Identification of Novel Regulatory Elements Contributing to Virulence in Staphylococcal Endocarditis American Heart Association Principal Investigator
  • Controlled Delivery of Cis-2-decenoic Acid for the Prevention of Infection by Bacterial Biofilms US Department of Defense Principal Investigator

Collaboration Network

66 Collaborators 14 Institutions 2 Countries

Top Collaborators

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