Novel mechanism for fast regulation of gene expression

Some mRNAs have a side job unrelated to making the protein they encode, researchers have discovered. They act as regulatory molecules as well, preventing other genes from making protein by marking their mRNA molecules for destruction. "Our findings show that mRNAS, which are typically thought to act solely as the template for protein translation, can also serve as regulatory RNAs, independent of their protein-coding capacity," the lead researcher said. "They're not just messengers but also actors in their own right."

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