Publication: Electropermeabilization responses in Gram-positive and Gram-negative bacteria
Issued Date
2013-08-01
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ISSN
03043886
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2-s2.0-84880263587
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Electrostatics. Vol.71, No.4 (2013), 773-777
Suggested Citation
Soraya Chaturongakul, Phumin Kirawanich Electropermeabilization responses in Gram-positive and Gram-negative bacteria. Journal of Electrostatics. Vol.71, No.4 (2013), 773-777. doi:10.1016/j.elstat.2013.06.005 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/31251
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Title
Electropermeabilization responses in Gram-positive and Gram-negative bacteria
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Abstract
Effects of 3-kJkg-1nanosecond pulsed electric fields (PEFs) on cellular permeabilization of Salmonella enterica and Staphylococcus aureus were observed. It was seen that bacterial responses depend on both the electrical pulse attribute and the cell plasma membrane structure. For traditional permeabilization, the responses involved the thickness of the peptidoglycan layer where a maximum of 2.5 log reduction in S. enterica population was achieved. Meanwhile, in the area of selective permeabilization, it showed insignificant reduction in both pathogens. Such inactivation mechanisms were described through the behavior of potential across plasma membrane and intracellular organelles by PSPICE simulations incorporating PEF-cell interaction model. © 2013 Elsevier B.V.