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Related Experiment Video

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Detection of Enterohemorrhagic Escherichia Coli Colonization in Murine Host by Non-invasive In Vivo Bioluminescence System
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Escherichia coli bactofection using Lipofectamine.

Kumaran Narayanan1, Choon Weng Lee, Aurelian Radu

  • 1School of Science, Monash University, 46150 Selangor Darul Ehsan, Malaysia. kumaran.narayanan@monash.edu

Analytical Biochemistry
|April 24, 2013
PubMed
Summary
This summary is machine-generated.

Lipofectamine enhances bacterial gene delivery into mammalian cells. This DNA transfection reagent improves bacterial entry and increases reporter gene expression, offering a new method for bactofection.

Keywords:
BactofectionDNA deliveryE. coliInvasinLipofectamineTransfection reagent

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Area of Science:

  • Molecular biology
  • Cell biology
  • Microbiology

Background:

  • Bactofection utilizes invasive bacteria for gene delivery into mammalian cells.
  • Efficient bacterial entry via integrin receptors and subsequent plasmid DNA release are crucial for successful bactofection.
  • Current methods face limitations in enhancing bacterial DNA delivery efficiency.

Purpose of the Study:

  • To investigate the effect of the DNA transfection reagent Lipofectamine on bacterial entry into mammalian cells.
  • To determine if Lipofectamine enhances gene expression mediated by bacterial vectors.
  • To explore the potential application of Lipofectamine in improving bactofection efficiency.

Main Methods:

  • Utilized invasive Escherichia coli as bacterial vectors for gene delivery.
  • Introduced a reporter plasmid encoding green fluorescent protein (GFP).
  • Administered Lipofectamine in conjunction with bacterial vectors to HeLa cells.

Main Results:

  • Lipofectamine significantly improved the entry of Escherichia coli into HeLa cells.
  • Enhanced green fluorescent protein (GFP) expression was observed, with up to a 2.8-fold increase.
  • Demonstrated a novel application of a common transfection reagent in enhancing bactofection.

Conclusions:

  • Lipofectamine can enhance the efficiency of bacterial entry into mammalian cells.
  • The addition of Lipofectamine boosts reporter gene expression in bactofection.
  • This approach may be broadly applicable to other bacterial vectors for improved DNA delivery.