Pre-mRNA splicing

Pre-mRNA splicing is a process that occurs in the cell nucleus where a newly formed messenger RNA (mRNA) is refined before it leaves to direct protein production. During splicing, specific non-coding regions called introns are removed, and the remaining coding regions, exons, are joined together. This editing allows the cell to create a mature mRNA that accurately encodes a protein. Splicing is precisely controlled and enables a single gene to produce different proteins through alternative splicing, enhancing the diversity of proteins that can be made from the same genetic instructions.