Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Bacterial chromosome extraction and isolation.

Christelle Prinz1, Jonas O Tegenfeldt, Robert H Austin

  • 1Department of Physics, Princeton University, Princeton, NJ 08544, USA.

Lab on a Chip
|April 22, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Size-based sorting of cancer cells reveals functional heterogeneity among subpopulations.

Lab on a chip·2026
Same author

Using Bayes' Rule for Analysis of Microfluidic Particle and Cluster Sorting.

Micromachines·2026
Same author

Gradient metapopulation microfluidic ecologies shape genetic and biofilm drivers of T4r phage resistance in E. coli.

NPJ biofilms and microbiomes·2026
Same author

Informational Memory Shapes Collective Behavior in Intelligent Swarms.

Physical review letters·2026
Same author

Size-based sorting of dynamic bacterial clusters.

Lab on a chip·2026
Same author

Tunable single-column deterministic lateral displacement device by adjustable crossflow.

Lab on a chip·2026

Researchers developed a method using diffusive mixing and dielectrophoretic trapping to lyse Escherichia coli cells and isolate their chromosomes. This technique efficiently separates bacterial DNA from cellular proteins in a microfluidic device.

Area of Science:

  • Biotechnology
  • Microfluidics
  • Molecular Biology

Background:

  • Efficient isolation of bacterial chromosomes is crucial for genomic studies and synthetic biology applications.
  • Existing cell lysis methods can be inefficient or lead to contamination with cellular components.

Purpose of the Study:

  • To develop and characterize a microfluidic method for efficient lysis of Escherichia coli cells.
  • To achieve selective dielectrophoretic trapping of the E. coli chromosome, excluding cytoplasmic proteins.

Main Methods:

  • Utilized diffusive mixing for cell lysis within a microfabricated device.
  • Employed dielectrophoretic forces for the selective capture of bacterial chromatin.
  • Characterized lysis efficiency and trapping selectivity under varying experimental conditions.

Related Experiment Videos

Main Results:

  • Optimized conditions for efficient lysis of Escherichia coli cells were determined.
  • Demonstrated successful dielectrophoretic trapping of E. coli chromatin.
  • Showed high selectivity in trapping chromosomes while preventing cytoplasmic protein co-isolation.

Conclusions:

  • The combined approach of diffusive mixing and dielectrophoretic trapping offers a robust method for isolating bacterial chromosomes.
  • This microfluidic technique provides a promising tool for downstream genomic analysis and manipulation.
  • The selective trapping mechanism minimizes contamination, enhancing the purity of isolated chromosomal DNA.