Optimized mRNA isolation and assessment methodology with two-step real time PCR.

Area of Science:

• Biotechnology
• Molecular Biology
• Plant Science

Background:

• Accurate messenger ribonucleic acid (mRNA) isolation is crucial for gene expression studies.
• Existing mRNA isolation protocols may have limitations in efficiency and reproducibility.
• Tomato seeds are a valuable source for genetic and biotechnological research.

Purpose of the Study:

• To develop and evaluate an improved method for mRNA isolation from tomato seeds.
• To assess the efficiency and reproducibility of the proposed mRNA isolation technique.
• To demonstrate the applicability of the method in gene identification and expression analysis.

Main Methods:

• Messenger ribonucleic acid (mRNA) was isolated from tomato seeds using the PolyATtract System 1000.
• The isolated mRNA was evaluated using two-step Real Time PCR with the Sybr Green fluorescence dye.
• A novel mathematical analysis was applied to assess the mRNA isolation procedure.

Main Results:

• The proposed mRNA isolation method yielded cDNA with 11-fold higher Sybr Green fluorescence intensity.
• The new method demonstrated an 87% lower standard deviation in fluorescence signals, indicating improved reproducibility.
• A 21% improvement in PCR efficiency was observed compared to the manufacturer's standard protocol.

Conclusions:

• The developed mRNA isolation protocol offers superior performance for tomato seed samples.
• This method enhances the reliability and efficiency of gene expression studies in plants.
• The technique and data analysis are suitable for various biotechnological applications, including gene identification.