Localization of Proteins Within Intact Bacterial Cells Using Fluorescent Protein Fusions

In this study we demonstrated that exposure of Escherichia coli (E. coli) to terahertz (THz) radiation resulted in a change in the activities of the tdcABCDEFGR and matA–F genes (signs of cell aggregation), gene yjjQ (signs of suppression of cell motility), dicABCF, FtsZ, and minCDE genes (signs of suppression of cell division), sfmACDHF genes (signs of adhesin synthesis), yjbEFGH and gfcA genes (signs of cell envelope stabilization). Moreover, THz radiation induced E. coli csg operon genes of amyloid biosynthesis. Electron microscopy revealed that the irradiated bacteria underwent increased aggregation; 20% of them formed bundle-like structures consisting of two to four pili clumped together. This could be the result of changes in the adhesive properties of the pili. We also found aberrations in cell wall structure in the middle part of the bacterial cell; these aberrations impaired the cell at the initial stages of division and resulted in accumulation of long rod-like cells. Overall, THz radiation was shown to have adverse effects on bacterial populations resulting in cells with abnormal morphology.

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E. coli aggregation and impaired cell division after terahertz irradiation

Peltek

Meshcheryakova

Kiseleva

et al. 2021

Sci Rep

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Localization of Proteins Within Intact Bacterial Cells Using Fluorescent Protein Fusions

Cited by 1 publication

References 24 publications

E. coli aggregation and impaired cell division after terahertz irradiation

E. coli aggregation and impaired cell division after terahertz irradiation

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