Some species of bacteria have a wicked survival strategy: killing members of their own species or a closely-related one. There’s a lot we don’t know about it, but it’s possible that someday we could potentially harness that knowledge to kill them inside the human body!
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Sources:
https://phys.org/news/2020-02-scientists-bacterial-cannibalism.html
https://www.mdpi.com/2079-6382/8/4/230/review_report
http://grantome.com/grant/NIH/R01-HL142626-01A1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6963621/
https://microchemlab.com/microorganisms/bacillus-subtilis
https://www.pnas.org/content/102/24/8710
https://www.sciencedirect.com/science/article/pii/S096098221631003X
https://www.cdc.gov/pneumococcal/clinicians/clinical-features.html
https://elifesciences.org/digests/45257/zooming-in-on-sporulation
https://www.sciencedirect.com/science/article/pii/S0960982215008738
https://books.google.com/books?id=Sq1OBAAAQBAJ&pg=PA212&lpg=PA212&dq=blood-air+barrier+air+bubbles&source=bl&ots=eO4aiM-dwX&sig=ACfU3U3D3QPi4RRBKmAWhBV1QTDpwNZzGw&hl=en&sa=X&ved=2ahUKEwj-x5Go_eHnAhW2JzQIHUDwC5oQ6AEwEHoECGEQAQ#v=onepage&q=blood-airbarrierairbubbles&f=false
Images:
https://en.wikipedia.org/wiki/File:Bacillus_subtilis_Spore.jpg
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