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molecular machine that regulates gene expression by degrading mRNA

The RNA-induced silencing complex (RISC) is a molecular machine within cells that plays a crucial role in gene regulation. It uses small RNA molecules, such as microRNAs (miRNAs) or small interfering RNAs (siRNAs), to identify and bind to specific messenger RNA (mRNA) sequences, leading to the degradation of the mRNA or the inhibition of its translation into proteins. This process is essential for controlling gene expression and maintaining cellular function.

Related Terms

• Gene Silencing
• RNA interference
• RNA sequencing
• RNA extraction
• Messenger RNA
• Small Interfering RNA
• Double-stranded RNA
• Single-cell RNA sequencing