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cells inhibit gene expression after RNA is made

Post-Transcriptional Gene Silencing (PTGS) is a cellular process where the expression of specific genes is inhibited after the DNA has been transcribed into RNA. This is often achieved through mechanisms like RNA interference (RNAi), where small RNA molecules bind to the messenger RNA (mRNA) and prevent it from being translated into proteins. This process is crucial for regulating gene expression and maintaining cellular function.

Related Terms

• RNA interference
• gene silencing
• transcriptional gene silencing
• Post-transcriptional regulation
• Gene Expression Regulation