Effects of High Frequency Alternating Current on Bacteria and Yeast
Author Information
Author(s): Cassanelli C, Marchese A, Cagnacci S, Debbia E.A
Primary Institution: University of Genova
Hypothesis
Can high frequency alternating current (HFAC) induce membrane permeability changes in bacteria and yeast, allowing for genetic material transfer and antibiotic uptake?
Conclusion
HFAC treatment can promote genetic material transfer between E. coli strains and enhance the uptake of antibiotics, while also delaying the regrowth of surviving microorganisms.
Supporting Evidence
- HFAC allowed the transfer of a non conjugative plasmid between E. coli strains.
- The study found that HFAC promoted the entry of antibiotics into bacteria that normally resist them.
- Survivors of HFAC treatment showed a delay in regrowth compared to untreated controls.
Takeaway
This study shows that a special electric current can help bacteria take in new genes and antibiotics, and it makes them grow back slower after being treated.
Methodology
The study used E. coli strains exposed to HFAC to assess plasmid transfer and antibiotic uptake, measuring the number of viable cells and recombinants.
Digital Object Identifier (DOI)
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