A novel ionic liquid-based approach for DNA and RNA extraction simplifies sample preparation for bacterial...

Area of Science:

• Molecular Biology
• Biotechnology
• Analytical Chemistry

Background:

• Nucleic acid extraction is crucial for bacterial diagnostics.
• Current methods can be time-consuming and material-intensive.
• There is a need for rapid, efficient, and cost-effective extraction protocols.

Purpose of the Study:

• To develop a novel, simple, and rapid protocol for simultaneous DNA and RNA extraction from bacteria.
• To utilize hydrophilic ionic liquids and silica-coated magnetic beads for nucleic acid purification.
• To evaluate the efficiency and cost-effectiveness of the developed method compared to commercial kits.

Main Methods:

• Development of an ionic liquid (IL)-based bacterial cell lysis protocol at room temperature.
• Establishment of a magnetic bead purification procedure for DNA and RNA from IL-lysates.
• Evaluation of the IL-based extraction method using (RT)-qPCR on periopathogenic bacterial cultures.

Main Results:

• The IL-based protocol efficiently lyses bacteria and facilitates nucleic acid adsorption onto magnetic beads.
• Purification of DNA and RNA was achieved without chaotropic binding buffers.
• The developed method yielded comparable or superior results to commercial kits.
• The protocol is fast (30 min), cost-effective, and requires minimal materials and equipment.

Conclusions:

• The novel ionic liquid-based extraction method provides a simple, rapid, and efficient approach for bacterial DNA and RNA isolation.
• The protocol is suitable for routine, high-throughput, point-of-care, and low-resource molecular diagnostics.
• This advancement offers a cost-effective and user-friendly alternative to existing nucleic acid extraction methods.