in which exons on different pre-mRNAs are ligated together. The existence of introns and differential splicing helps explain how new genes are created during evolution. Splicing makes genes more ...

Exons can be separated by intervening sections of DNA that do not code for proteins, known as introns. Following transcription, new, immature strands of messenger RNA, called pre-mRNA, may contain ...

RNA splicing is a cellular process that is critical for gene expression. After genes are copied from DNA into messenger RNA, ...

Biologists have discovered a new type of RNA-splicing regulation that helps to determine which protein-coding exons will be included in messenger RNA transcripts. RNA splicing is a cellular ...