Field and Clinical Applications of Advanced Bacteriophage-Based Detection of Yersinia pestis

  • Kirill V. Sergueev
  • Mikeljon P. Nikolich
  • Andrey A. Filippov
Conference paper
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 954)


Bacteriophage lysis tests remain important tools for Yersinia pestis detection and plague diagnostics, but they usually include the isolation of pure Y. pestis culture that requires about 3 days to accomplish. Recently, we have developed a rapid and sensitive alternative assay based on quantitative real-time PCR (qPCR) monitoring of the amplification of reporter plague diagnostic phages φA1122 and L-413C. In this work, we tested a possibility of field application of this method using JBAIDS platform, a portable field-deployable instrument developed by Idaho Technology Inc. The phage detection limit (and thus the limit of Y. pestis indirect detection) achieved with the portable JBAIDS system was identical to that obtained using a full-sized LightCycler 2.0 real-time PCR instrument (Roche). We also explored potential clinical and epizootiological applications of the qPCR-based bacteriophage detection of Y. pestis using simulated sheep serum and mouse tissue (spleen, liver) samples. Satisfactory levels of sensitivity were observed when using diluted spleen suspensions and most promising results were obtained with diluted and whole serum.


Phage Particle Indirect Detection Yersinia Pestis Sheep Serum Idaho Technology 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research was supported by the Defense Threat Reduction Agency, Joint Science and Technology Office, Medical S&T Division. The findings and opinions expressed herein belong to the authors and do not necessarily reflect the official views of the WRAIR, the U.S. Army or the Department of Defense.


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Kirill V. Sergueev
    • 1
  • Mikeljon P. Nikolich
    • 1
  • Andrey A. Filippov
    • 1
  1. 1.Department of Emerging Bacterial Infections, Division of Bacterial and Rickettsial DiseasesWalter Reed Army Institute of ResearchSilver SpringUSA

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