RNASwift: A rapid, versatile RNA extraction method free from phenol and chloroform

Area of Science:

• Molecular Biology
• Biochemistry
• Biotechnology

Background:

• Traditional RNA extraction methods often involve hazardous chemicals (phenol, chloroform, formamide).
• Incomplete removal of these chemicals can compromise downstream RNA analysis.
• There is a need for safer, more efficient RNA extraction techniques.

Purpose of the Study:

• To introduce RNASwift, a novel, cost-effective, and rapid RNA extraction method.
• To evaluate the quality and purity of RNA extracted using RNASwift.
• To demonstrate the versatility of RNASwift across different cell types.

Main Methods:

• RNASwift utilizes sodium chloride and sodium dodecyl sulphate for cell lysis.
• RNA purification is achieved through solid-phase extraction or isopropanol precipitation.
• RNA quality and purity are assessed using spectrophotometry and ion pair reverse phase chromatography.

Main Results:

• RNASwift yields high-quality and high-purity RNA compared to alternative methods.
• The method efficiently extracts RNA from Escherichia coli (approx. 25 μg from 10^8 cells).
• RNASwift is effective for extracting total RNA and double-stranded RNA from bacterial, yeast, and mammalian cells.

Conclusions:

• RNASwift provides a safe, rapid, and versatile alternative for RNA extraction.
• The extracted RNA is suitable for various downstream molecular biology applications.
• This method offers improved yield and purity, particularly for double-stranded RNA extraction.