Is intron removal by recursive splicing necessitated by the evolution of genomic gigantism?
Alexander Nichols Adams,
Rachel Lockridge Mueller
Abstract:Splicing of introns is an important step that pre-mRNA transcripts undergo during processing in the nucleus to become mature mRNAs. Although long thought to occur in a single step, introns are now also known to be removed in multiple steps through a process called recursive splicing. This non-canonical form of splicing is hypothesized to increase splicing fidelity, particularly in longer introns. In species that have evolved gigantic genome sizes, overall intron lengths are much longer than in genomes of typic… Show more
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