Identification of Circular RNAs using RNA Sequencing

Overview

This protocol details the preparation of circular RNA (circRNA) sequencing libraries, emphasizing the evaluation of various parameters for optimal circRNA detection. It provides insights into the impact of RNase R treatment and input amounts on circRNA identification.

Key Study Components

Area of Science

• Neuroscience
• RNA Biology
• Genomics

Background

• Circular RNAs are non-coding RNAs involved in transcriptional regulation.
• Understanding circRNA expression is crucial for elucidating their functional roles.
• Library preparation techniques can significantly affect circRNA detection.
• Proper handling of RNA samples is essential for successful experiments.

Purpose of Study

• To optimize circRNA library preparation protocols.
• To assess the effects of different parameters on circRNA detection.
• To facilitate the identification of circRNAs across various sample types.

Methods Used

• Stranded total RNA library preparation.
• RNase R pre-treatment to enrich circRNAs.
• Evaluation of kit types and input amounts.
• Assessment of RNA integrity using Agilent Bioanalyzer or TapeStation.

Main Results

• Optimal conditions for circRNA detection were established.
• Data on adjustable parameters were provided for user flexibility.
• Identifying circRNAs enhances understanding of their expression distribution.
• The method is applicable to any total RNA sample.

Conclusions

• This protocol aids in the effective preparation of circRNA sequencing libraries.
• It sets the groundwork for future studies on circRNA functions.
• Proper RNA handling and preparation are critical for successful outcomes.

Frequently Asked Questions