RNA-Binding Proteins (RBPs) and Circular RNA Biogenesis

Area of Science:

• Molecular Biology
• Genetics
• RNA Biology

Background:

• Eukaryotic protein-coding genes can produce circular RNAs (circRNAs).
• CircRNAs are stable, covalently closed RNA molecules formed via backsplicing.
• RNA-binding proteins (RBPs) are crucial regulators of circRNA biogenesis.

Purpose of the Study:

• To summarize the literature on RNA-binding protein (RBP)-mediated circRNA biogenesis.
• To illustrate the role of RBPs in regulating circRNA formation and gene expression.

Main Methods:

• Literature review of RBP-mediated circRNA biogenesis.
• Analysis of RBP binding to intronic flanking sequences.
• Examination of RBP influence on backsplicing and RNA fate.

Main Results:

• RBPs bind to flanking introns of circularizing exons.
• RBP binding facilitates the proximity of splice sites, promoting backsplicing.
• RBPs play a critical role in regulating circRNA production.

Conclusions:

• RNA-binding proteins are essential mediators of circRNA biogenesis.
• Understanding RBP-circRNA interactions provides insights into gene regulation.
• RBPs significantly influence RNA fate and overall gene expression patterns.