Incredible Microprocessor Protein Acts as Genome Guardian

The researchers found that the microprocessor regulates transposable element activity by binding and cleaving the RNA copies (transcripts) originating from their DNA sequences across the genome. Thus, the microprocessor is an important player in keeping harmful mutations from developing in the cell by controlling transposable element activity. And it is possible that the RNA fragments produced from this process may be used in some aspect of genome regulation. Many processes in the cell produce byproducts that have important functions.

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