Abstract
The etiological agent of tularemia, Francisella tularensis, is a resilient organism within the environment and can be acquired in many ways (infectious aerosols and dust, contaminated food and water, infected carcasses, and arthropod bites). However, isolating F. tularensis from environmental samples can be challenging due to its nutritionally fastidious and slow-growing nature. In order to determine the current state of the science regarding available processing and analytical methods for detection and recovery of F. tularensis from water and soil matrices, a review of the literature was conducted. During the review, analysis via culture, immunoassays, and genomic identification were the methods most commonly found for F. tularensis detection within environmental samples. Other methods included combined culture and genomic analysis for rapid quantification of viable microorganisms and use of one assay to identify multiple pathogens from a single sample. Gaps in the literature that were identified during this review suggest that further work to integrate culture and genomic identification would advance our ability to detect and to assess the viability of Francisella spp. The optimization of DNA extraction, whole genome amplification with inhibition-resistant polymerases, and multiagent microarray detection would also advance biothreat detection.
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Silvestri, E.E., Perkins, S.D., Rice, E.W. et al. Review of processing and analytical methods for Francisella tularensis in soil and water. Ann Microbiol 66, 77–89 (2016). https://doi.org/10.1007/s13213-015-1144-8
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DOI: https://doi.org/10.1007/s13213-015-1144-8