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| Bioluminescence over
landmine By Shemer et al. 2020, Microb Biotechnol CC BY-NC |
Takeaways
Landmines are a good way to take an enemy by surprise and do some damage. They're so good that some places in the world still aren't safe to go decades after a conflict, due to intact landmines hidden in the area. In order to detect them from a distance to aid in disarming efforts, we need something very good at detecting the faint odor they give off—something like bacteria!
In this study, bacteria are engineered to detect breakdown products of TNT in landmines and produce light—bioluminescence. These bacteria are encapsulated in polymer beads and are stable for months in the freezer, and could accurately pinpoint a landmine buried in sand for a year and a half.
Shemer B, Shpigel E, Hazan C, Kabessa Y, Agranat AJ, Belkin S. Detection of buried explosives with immobilized bacterial bioreporters. Microb Biotechnol https://doi.org/10.1111/1751-7915.13683.
Other interesting stories:
- Wastewater treatment plant could power itself from electricity produced by microbes
- Microbial exposures correlate with presence or lack of allergies in both people and their dogs
Post questions or comments here or email to bacteriofiles@gmail.com. Thanks for listening!
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