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Spring 2010
More than 90% of human genes undergo a processing step called splicing, whereby non-coding introns are removed from initial transcripts and coding exons are ligated together to yield mature messenger RNA. Roughly 50% of human genetic diseases correspond to aberrant splicing. Splicing is...
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Spring 2012
More than 90% of human genes undergo a processing step called splicing, whereby noncoding introns are removed from initial transcripts and coding exons are ligated together to yield mature messenger RNA. Splicing involves two sequential transesterification reactions catalyzed by a large...
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Fall 2015
Over 90% of eukaryotic genes are initially expressed as precursor-messenger RNAs (pre-mRNAs) that contain coding exon sequences interrupted by non-coding intron sequences. The introns are excised and exons are ligated together to form messenger RNA (mRNA) through a process called splicing....
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Spring 2019
Exons, protein coding regions in eukaryotic genes, are interrupted by non-coding introns that must be removed from transcribed pre-mRNA prior to translation into protein. Introns are removed, and exons ligated, in a process called pre-mRNA splicing. Conserved sites within the intron, the 5′ and...