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Bleach gel: a simple agarose gel for analyzing RNA quality
Patrick S Aranda1, Dollie M LaJoie, Cheryl L Jorcyk
1Department of Biological Sciences, Boise State University, Boise, ID 83725, USA.
Electrophoresis
|January 7, 2012
Summary
Researchers can now quickly assess RNA integrity using a simple, inexpensive bleach gel electrophoresis method. This technique denatures RNA secondary structures and degrades RNases, ensuring reliable experimental results without costly equipment.
Area of Science:
- Molecular Biology
- Biochemistry
- Biotechnology
Background:
- High-quality RNA is crucial for molecular biology applications.
- Assessing RNA integrity is a critical step before downstream processes like cDNA synthesis.
- Traditional methods for RNA quality control can be expensive, time-consuming, or require specialized equipment.
Purpose of the Study:
- To introduce a cost-effective and rapid method for evaluating RNA integrity.
- To provide an alternative to existing RNA quality assessment techniques.
- To improve the accessibility of RNA quality analysis for researchers.
Main Methods:
- Agarose gel electrophoresis was performed using TAE buffer.
- Small amounts of commercial bleach were added to the TAE buffer.
- RNA samples were analyzed on the prepared bleach-containing agarose gels.
- The effect of bleach on RNA secondary structure and RNase activity was investigated.
Main Results:
- The 'bleach gel' method effectively denatured RNA secondary structures.
- Low concentrations of bleach successfully destroyed contaminating RNases.
- RNA integrity could be rapidly assessed using this inexpensive technique.
- The method proved to be a safe and functional alternative for RNA quality evaluation.
Conclusions:
- The bleach gel method offers a practical and affordable solution for assessing RNA integrity.
- This approach enhances the ability of researchers to quickly analyze RNA quality.
- The technique is suitable for laboratories lacking expensive electrophoretic devices.
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