ArticleBiophysical journal2006
Dielectrophoresis as a tool to characterize and differentiate isogenic mutants of Escherichia coli.
Article in Biophysical journal, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 144 citations in OpenAlex.
- Dielectric double shell characterization of yeast cells exposed to simulated microgravity.NPJ microgravity · 2026Article
- In-flow single particle detection of sub-100 micron microplastics.RSC advances · 2025Article
- Experimentally profiling dielectric properties of Escherichia coli and Staphylococcus aureus by movement velocity and force.Scientific reports · 2025Article
- Electro-deformation spectroscopy: A unified method for simultaneous electrical and mechanical characterization of single cells.Acta biomaterialia · 2025Article
- On-chip dielectrophoretic single-cell manipulation.Microsystems & nanoengineering · 2024Review
- Dielectrophoretic profiling of erythrocytes to study the impacts of metabolic stress, temperature, and storage duration utilizing a point-and-planar microdevice.Scientific reports · 2023Article
- A High-Throughput Microfluidic Cell Sorter Using a Three-Dimensional Coupled Hydrodynamic-Dielectrophoretic Pre-Focusing Module.Micromachines · 2023Article
- Raman-dielectrophoresis goes viral: towards a rapid and label-free platform for plant virus characterization.Frontiers in microbiology · 2023Article
- Fluid-Screen as a real time dielectrophoretic method for universal microbial capture.Scientific reports · 2021Article
- Combined negative dielectrophoresis with a flexible SERS platform as a novel strategy for rapid detection and identification of bacteria.Analytical and bioanalytical chemistry · 2021Article
- Article
- A Prominent Cell Manipulation Technique in BioMEMS: Dielectrophoresis.Micromachines · 2020Review
- Insulator Based Dielectrophoresis: Micro, Nano, and Molecular Scale Biological Applications.Sensors (Basel, Switzerland) · 2020Review
- Dielectrophoresis-Based Method for Measuring the Multiangle Mechanical Properties of Biological Cells.BioMed research international · 2020Article
- Proper measurement of pure dielectrophoresis force acting on a RBC using optical tweezers.Biomedical optics express · 2019Article
- A mathematical model of dielectrophoretic data to connect measurements with cell properties.Analytical and bioanalytical chemistry · 2019Article
- Microfluidic dielectrophoresis illuminates the relationship between microbial cell envelope polarizability and electrochemical activity.Science advances · 2019Article
- Dimethyl adenosine transferase (KsgA) contributes to cell-envelope fitness in Salmonella Enteritidis.Microbiological research · 2018Article
- Modeling erythrocyte electrodeformation in response to amplitude modulated electric waveforms.Scientific reports · 2018Article
- Analysis of the dielectrophoretic properties of cells using the isomotive AC electric field.Biomicrofluidics · 2018Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study we report on an experimental method based on dielectrophoretic analysis to identify changes in four Escherichia coli isogenic strains that differed exclusively in one mutant allele. The dielectrophoretic properties of wild-type cells were compared to those of hns, hha, and hha hns mutant derivatives. The hns and hha genes code respectively for the global regulators Hha and H-NS. The Hha and H-NS proteins modulate gene expression in Escherichia coli and other Gram negative bacteria. Mutations in either hha or hns genes result in a pleiotropic phenotype. A two-shell prolate ellipsoidal model has been used to fit the experimental data, obtained from dielectrophoresis measurements, and to study the differences in the dielectric properties of the bacterial strains. The experimental results show that the mutant genotype can be predicted from the dielectrophoretic analysis of the corresponding cultures, opening the way to the development of microdevices for specific identification. Therefore, this study shows that dielectrophoresis can be a valuable tool to study bacterial populations which, although apparently homogeneous, may present phenotypic variability.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.