alexa Decreased time for detection and quantification of virulent Bacillus anthracis and Yersinia pestis using a BioNanoPore (BNP) membrane technology.


Journal of Microbial & Biochemical Technology

Author(s): Rogers JV, Choi YW

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Abstract Many aspects of biodefense research require quantitative growth assessments of the test agent. This study evaluated the BioNanoPore (BNP) technology to quantitate Bacillus anthracis and Yersinia pestis faster than traditional plate counting methods. The BNP technology enabled quantification of B. anthracis and Y. pestis in phosphate-buffered saline and naïve rabbit blood at 6 and 24 h, respectively. After 6 h of growth, counts for B. anthracis ranged from 6.19-6.45 log(10) CFU ml(-1) on BNP, while counts after 24 h on tryptic soy agar (TSA) ranged from 6.51-6.58 log(10) CFU ml(-1). For Y. pestis, counts on BNP at 24 h ranged from 6.31-6.41 log(10) CFU ml(-1) on BNP and ranged from 6.44-6.89 log(10) CFU ml(-1) on TSA at 48 h. This study demonstrates that the BNP technology provides a more rapid detection of B. anthracis and Y. pestis, which could aid in the evaluation of potential medical countermeasures and treatments as well as other biological defense applications such as surface sampling or decontamination efficacy. This article was published in Lett Appl Microbiol and referenced in Journal of Microbial & Biochemical Technology

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