The nonthermal ELF-EP technique decrease the resistance of bacteria to antibiotics

Extreme low-frequency square positive electric pulses (ELF-EP) are a technique that used in controlling plant pathogens. In this study, we have studied the exposure of Erwinia amylovora (the causal of pear trees fire blight) to different frequencies ranged from 0.7 − 1.6 Hz and different exposure ti...

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Bibliographic Details
Published in:Archiv für Phytopathologie und Pflanzenschutz 2022-10, Vol.55 (16), p.1944-1960
Main Authors: Mohamad, Ebtesam A., Ali, Fadel M., Balabel, Naglaa Moussa, Mostafa, Mai Ramadan
Format: Article
Language:English
Subjects:
Antibiotics
Bacteria
Blight
Cell membranes
Cell walls
Electric pulses
Erwinia Amylovora
Exposure
Extreme low-frequency square positive electric pulses (ELF-EP)
Field strength
fire blight
Fruit trees
Low frequency
Membrane permeability
Pulse duration
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Summary:Extreme low-frequency square positive electric pulses (ELF-EP) are a technique that used in controlling plant pathogens. In this study, we have studied the exposure of Erwinia amylovora (the causal of pear trees fire blight) to different frequencies ranged from 0.7 − 1.6 Hz and different exposure time with pulse duration 1 ms and constant field strength 400 V/m. The results indicate that exposing to 1.4 Hz for 2 hrs decreases the E. amylovora growth. After exposing ELF-EP, antibiotic treatments were caused complete growth inhibition. This study concluded that ELF-EP exposure for 1.4 Hz for 2 hrs rupture the bacterium cell wall and disrupts the cell membrane permeability, which increases the efficacy of antibiotic treatments in bacterial cell growth inhibition.
ISSN:0323-5408
1477-2906
DOI:10.1080/03235408.2022.2125144