ARLG Virtual Biorepository

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The ARLG Virtual Biorepository (VB) Catalogue is a web-based system that provides investigators with unique access to clinically well-characterized Gram-positive and Gram- negative bacteria for the development of diagnostic tests, novel antimicrobial compounds and for studies evaluating mechanisms of resistance. The ARLG Laboratory Center supports the ARLG research agenda by leading the development, implementation, and evaluation of the laboratory research (see Clinical Infectious Disease Supplement 2017).

We welcome you to visit to review our carefully selected strains for potential use in your research. You may request strains using this link.

Notice: The ARLG will provide up to 80 strains/year for a given laboratory or company. A larger number of isolates may be available to ARLG collaborators.

ARLG Virtual Biorepository Frequently Asked Questions (FAQ) and ARLG Virtual Biorepository Visitor Quick Reference Card (QRC) are available to assist you in:

  • Accessing the Catalogue
  • Searching and reviewing ARLG strains
  • Developing a list of strains of interest
  • Submitting or requesting strains

If you have questions regarding the Catalogue, please contact us by emailing the ARLG Virtual Biorepository support staff at

Other Resources

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“BEI Resources ( was established by the National Institute of Allergy and Infectious Diseases (NIAID) to provide reagents, tools and information for studying Category A, B, and C priority pathogens, emerging infectious disease agents, non-pathogenic microbes and other microbiological materials of relevance to the research community.”


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The CDC AR Isolate Bank ( “is a centralized repository of microbial pathogens with well-characterized resistance profiles that are assembled by CDC in collaboration with the Food and Drug Administration (FDA).”


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The WRAIR (Walter Reed Army Institute of Research) Multidrug-resistant Organism Repository and Surveillance Network (MRSN, “comprises a microbiology laboratory, organism repository and a seven-facility network of Army hospitals, including those in combat zones… Isolates are preserved and characterized, and are distributed through Army Public Health Command venues.  The network is currently targeting methicillin-resistant Staphylococcus aureus (MRSA), and multidrug-resistant Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii.”