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A simple phenol-free isolation method for high-quality RNA from bilberry.
Kai Wang1, Mengxia Liu1, Fuqiang Cui2
1Department of Forest Sciences, University of Helsinki, Helsinki, Finland.
Methodsx
|August 26, 2021
Summary
We developed a faster, safer, and phenol-free RNA extraction method for berry fruits. This simplified protocol yields high-quality RNA suitable for gene expression and transcriptome analysis, reducing costs and time.
Area of Science:
- Molecular Biology
- Plant Biochemistry
Background:
- Accurate gene expression and transcriptome analysis depend on high-quality RNA.
- Conventional RNA extraction from berry fruits is often time-consuming, expensive, and involves toxic chemicals like phenol.
Purpose of the Study:
- To simplify and improve RNA extraction from berry fruits.
- To develop a phenol-free, less toxic, and efficient RNA isolation protocol.
Main Methods:
- Modified a conventional phenol-chloroform RNA extraction protocol.
- Utilized an extraction buffer containing hexadecyltrimethyl ammonium bromide (CTAB), polyvinylpyrrolidone (PVP), and Dithiothreitol (DTT).
- Replaced phenol-chloroform with chloroform for reduced toxicity.
Main Results:
- Efficiently removed polysaccharides and phenolic compounds from fruit pulp and peel.
- Obtained high-quality RNA (RNA Integrity Number > 8) suitable for RNA sequencing and qPCR.
- Reduced RNA isolation time to 3-4 working hours per batch.
Conclusions:
- The developed phenol-free method is less toxic and faster than traditional protocols.
- This simplified RNA extraction method yields high-quality, pure RNA from bilberry fruit.
- The protocol is applicable for downstream applications like RNA sequencing and qPCR.
