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Exploring the Root Microbiome: Extracting Bacterial Community Data from the Soil, Rhizosphere, and Root Endosphere
Published on: May 2, 2018
Improved protocol for the extraction of bacterial mRNA from soils
Shilpi Sharma1, Ravikumar Mehta, Rashi Gupta
1Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
Journal of Microbiological Methods
|July 31, 2012
Summary
Researchers developed a new method for extracting prokaryotic messenger RNA (mRNA) from soil. This improved protocol yields more mRNA and reduces contaminants, offering a more robust and efficient process.
Area of Science:
- Environmental microbiology
- Molecular biology techniques
- Nucleic acid extraction
Background:
- Soil microbial community analysis relies on accurate RNA extraction.
- Traditional methods often suffer from low messenger RNA (mRNA) yields and humic acid contamination.
- Previous protocols, such as Griffiths et al. (2000), require optimization for improved efficiency.
Purpose of the Study:
- To develop an improved protocol for prokaryotic mRNA extraction from soil samples.
- To enhance mRNA yield and minimize humic acid co-extraction.
- To establish a more robust and efficient RNA extraction method.
Main Methods:
- Modification of existing RNA extraction procedures.
- Focus on optimizing steps to increase mRNA recovery.
- Implementation of techniques to reduce humic acid interference.
Main Results:
- The modified protocol significantly increased the yield of prokaryotic mRNA.
- Co-extraction of humic acids was substantially reduced compared to original methods.
- The new protocol demonstrated enhanced robustness and efficiency.
Conclusions:
- The improved protocol provides higher quality and quantity of RNA from soil.
- This method offers a more reliable approach for studying soil microbial gene expression.
- The optimized protocol surpasses the original Griffiths et al. (2000) method in performance.

