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- The response of human bacteria to static magnetic field and radiofrequency electromagnetic field
- David P. E. Crabtree , Brandon J. Herrera , Sanghoon Kang
- J. Microbiol. 2017;55(10):809-815. Published online September 28, 2017
- DOI: https://doi.org/10.1007/s12275-017-7208-7
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- 8 Crossref
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Abstract
- Cell phones and electronic appliances and devices are inseparable from most people in modern society and the electromagnetic field (EMF) from the devices is a potential health threat. Although the direct health effect of a cell phone and its radiofrequency (RF) EMF to human is still elusive, the effect to unicellular organisms is rather apparent. Human microbiota, including skin microbiota, has been linked to a very significant role in the health of a host human body. It is important to understand the response of human skin microbiota to the RF-EMF from cell phones and personal electronic devices, since this may be one of the potential mechanisms of a human health threat brought about by the disruption of the intimate and balanced host-microbiota relationship. Here, we investigated the response of both laboratory culture strains and isolates of skin bacteria under static magnetic field (SMF) and RF-EMF. The growth patterns of laboratory cultures of Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus epidermidis under SMF were variable per different species. The bacterial isolates of skin microbiota from 4 subjects with different cell phone usage history also showed inconsistent growth responses. These findings led us to hypothesize that cell phone level RF-EMF disrupts human skin microbiota. Thus, the results from the current study lay ground for more comprehensive research on the effect of RF-EMF on human health through the human-microbiota relationship.
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Citations
Citations to this article as recorded by
- The Effect of Exposure to an Electromagnetic Field on Entomopathogenic Fungi
Dariusz Roman Ropek, Krzysztof Frączek, Krzysztof Pawlak, Karol Bulski, Magdalena Ludwiczak
Applied Sciences.2024; 14(24): 11508. CrossRef - Effects of non-ionizing electromagnetic fields on flora and fauna, Part 2 impacts: how species interact with natural and man-made EMF
B. Blake Levitt, Henry C. Lai, Albert M. Manville
Reviews on Environmental Health.2022; 37(3): 327. CrossRef - Natural and Synthetic Halogenated Amino Acids—Structural and Bioactive Features in Antimicrobial Peptides and Peptidomimetics
Mario Mardirossian, Marina Rubini, Mauro F. A. Adamo, Marco Scocchi, Michele Saviano, Alessandro Tossi, Renato Gennaro, Andrea Caporale
Molecules.2021; 26(23): 7401. CrossRef - Biological Effects of a Low-Frequency Electromagnetic Field on Yeast Cells of the Genus Saccharomyces Cerevisiae
K Sladicekova, M Bereta, J Misek, D Parizek, J Jakus
Acta Medica Martiniana.2021; 21(2): 34. CrossRef - Effects of radiofrequency electromagnetic radiation on the organism as a whole and structural units (Literature review)
Rano Z. Lifanova, Valentina S. Orlova, Vladimir V. Tsetlin
Hygiene and sanitation.2021; 100(2): 123. CrossRef - Effects of Electromagnetic Waves with LTE and 5G Bandwidth on the Skin Pigmentation In Vitro
Kyuri Kim, Young Seung Lee, Nam Kim, Hyung-Do Choi, Dong-Jun Kang, Hak Rim Kim, Kyung-Min Lim
International Journal of Molecular Sciences.2020; 22(1): 170. CrossRef - Global gene expression analysis of Escherichia coli K-12 DH5α after exposure to 2.4 GHz wireless fidelity radiation
Ilham H. Said-Salman, Fatima A. Jebaii, Hoda H. Yusef, Mohamed E. Moustafa
Scientific Reports.2019;[Epub] CrossRef - Towards 5G communication systems: Are there health implications?
Agostino Di Ciaula
International Journal of Hygiene and Environmental Health.2018; 221(3): 367. CrossRef
- The Effect of Exposure to an Electromagnetic Field on Entomopathogenic Fungi
Research Support, Non-U.S. Gov't
- Evaluation of the Cell Growth of Mycobacteria Using Mycobacterium smegmatis mc2 155 as a Representative Species
- Jorge A. Gonzalez-y-Merchand , Ruben Zaragoza-Contreras , Rosalina Guadarrama-Medina , Addy C. Helguera-Repetto , Sandra Rivera-Gutierrez , Jorge F. Cerna-Cortes , Leopoldo Santos-Argumedo , Robert A. Cox
- J. Microbiol. 2012;50(3):419-425. Published online June 30, 2012
- DOI: https://doi.org/10.1007/s12275-012-1556-0
- 40 View
- 0 Download
- 7 Scopus
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Abstract
- The study of the in vitro cell growth of mycobacteria still remains a fastidious, difficult, and time-consuming procedure. In addition, assessing mycobacterial growth in the laboratory is often complicated by cell aggregation and slow growth-rate. We now report that the use of a stainless steel spring in the culture led to an absence of large cell clumps, to a decrease of dead cells in the exponential phase and to growth of a more homogeneous population of large cells. We also report that flow cytometry is a rapid, simple and reliable approach to monitor mycobacterial cell growth and viability. Here, we monitored Mycobacterium smegmatis cellular growth by optical density, dry cell mass, and colony forming units; in addition, viability, cell size and granularity profiles were analyzed by flow cytometry, and cell morphology by electron microscopy. Cultures monitored by flow cytometry may lead to a better understanding of the physiology of mycobacteria. Moreover, this methodology may aid in characterizing the cell growth of other fastidious species of microorganisms.
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