Short Communication | Volume: 10, Issue: 1, January, 2022

Screening paper currency for Mycobacterium tuberculosis using loop-mediated isothermal amplification

Manoj Nimesh Rigzin Kang Deepali Joon   

Open Access   

Published:  Jan 07, 2022

DOI: 10.7324/JABB.2021.100127

Paper currency notes are the most commonly exchanged fomites which can be contaminated and have the potential to transmit pathogenic organisms. The presence of tuberculosis causative bacteria on the most commonly circulated Indian currency notes was investigated using loop-mediated isothermal amplification (LAMP). Out of 1,000 random samples of 10-rupee Indian currency notes, 11.3% tested positive for the presence of genomic DNA of Mycobacterium tuberculosis. It was observed that soiled/old notes are more likely than new currency notes to harbor M. tuberculosis. This study demonstrates the novel application of LAMP technique for screening fomites for the presence of pathogens.

Keyword:     Mycobacterium tuberculosis loop-mediated isothermal amplification (LAMP) technique paper currency tuberculosis


Nimesh M, Kang R, Joon D. Screening paper currency for Mycobacterium tuberculosis using loop-mediated isothermal amplification. J Appl Biol Biotech. 2022; 10(01):221–225.

Copyright: Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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