Evaluations of the Effects of Extremely Low-Frequency Electromagnetic Fields on Growth and Antibiotic Susceptibility of Escherichia coli and Pseudomonas aeruginosa.

International Journal of Microbiology
B SegatoreRoberto Iorio

Abstract

We aimed to investigate the effects of exposure to extremely low-frequency electromagnetic fields (2 mT; 50 Hz) on the growth rate and antibiotic sensitivity of E. coli ATCC 25922 and P. aeruginosa ATCC 27853. The electromagnetic field treatment significantly influenced the growth rate of both strains when incubated in the presence of subinhibitory concentrations of kanamycin (1 μg/mL) and amikacin (0.5 μg/mL), respectively. In particular, at 4, 6, and 8 h of incubation the number of cells was significantly decreased in bacteria exposed to electromagnetic field when compared with the control. Additionally, at 24 h of incubation, the percentage of cells increased (P. aeruginosa∼42%; E. coli∼5%) in treated groups with respect to control groups suggesting a progressive adaptive response. By contrast, no remarkable differences were found in the antibiotic susceptibility and on the growth rate of both bacteria comparing exposed groups with control groups.

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Citations

Oct 11, 2012·Electromagnetic Biology and Medicine·Varsik MartirosyanSinerik Ayrapetyan
Oct 9, 2015·Electromagnetic Biology and Medicine·Sinerik Ayrapetyan
Oct 31, 2015·International Journal of Radiation Biology·Sule OnculAyse Inhan Garip
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Nov 30, 2019·Current Microbiology·Samina MasoodWei-Kan Chu
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Aug 3, 2021·Bioelectromagnetics·Ilham Said-SalmanMohamed Moustafa

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Methods Mentioned

BETA
environmental stress
environmental stresses

Software Mentioned

SPSS
Sigma Stat

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