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Gradient Magnetic Field Accelerates Division of E. coli Nissle 1917
Svitlana Gorobets1, Oksana Gorobets2,3, Iryna Sharai2,3
1Faculty of Biotechnology and Biotechnics, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", 03056 Kyiv, Ukraine.
Cells
|January 21, 2023
Summary
Applying magnetic fields to magnetosensitive bacteria, like E. coli Nissle 1917, accelerates cell division by shortening the mitotic phase. This magnetic forcing strategy offers new avenues for microbial applications.
Area of Science:
- Microbiology
- Biophysics
- Cell Biology
Background:
- Cell-cycle progression relies on complex intracellular forces and protein motors.
- External forces are generally not considered to significantly impact these molecular mechanisms.
Purpose of the Study:
- To investigate the effect of external magnetic forces on bacterial cell-cycle progression.
- To determine if magnetic forcing can accelerate bacterial cell division.
Main Methods:
- Utilized magnetosensitive probiotic bacteria E. coli Nissle 1917.
- Applied a static gradient magnetic field with a specific spatial configuration.
- Coupled cell cycle progression to the splitting of biogenic magnetic nanoparticle (BMN) chains.
Main Results:
- Magnetic forcing significantly reduced the duration of the mitotic phase in E. coli Nissle 1917.
- This resulted in an overall acceleration of bacterial cell division.
- Demonstrated successful intervention in bacterial division and growth using focused magnetic gradient forces.
Conclusions:
- External magnetic forces can effectively modulate bacterial cell-cycle progression.
- Magnetic forcing of BMN chains provides a novel strategy for regulating bacterial division.
- This approach holds potential for enhancing microbial cell factories and medical applications.
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