A Trizol-Beadbeater RNA extraction method for yeast, and comparison to Novogene RNA extraction
Biorxiv : the Preprint Server for Biology
|August 6, 2025
Summary
Novogene
Area of Science:
- Molecular Biology
- Biochemistry
Background:
- RNA extraction is a critical first step for downstream applications like sequencing.
- Optimizing RNA yield is essential for successful molecular biology experiments.
Purpose of the Study:
- To compare the efficiency of RNA extraction methods for Saccharomyces cerevisiae.
- To evaluate RNA yields obtained by Novogene versus a local Trizol/bead-beating method.
Main Methods:
- RNA extraction performed by Novogene on 58 Saccharomyces cerevisiae samples.
- Independent RNA extraction using Trizol and bead-beating on 55 identical samples.
- Quantification of extracted total RNA yields against theoretical expectations.
Main Results:
- Novogene's RNA extraction yielded approximately 1-1.25% of theoretical expectation.
- Local Trizol/bead-beating method yielded approximately 40% of theoretical expectation.
- Local extraction yielded RNA amounts ~40-fold higher than Novogene's method.
Conclusions:
- The Trizol and bead-beating method significantly outperformed Novogene's RNA extraction in terms of yield for Saccharomyces cerevisiae.
- Local RNA extraction protocols may be more effective for achieving higher yields in specific research contexts.


