Curr Opin Genet Dev. 1991 Dec;1(4):470-7.

The recent origins of introns.

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Department of Biology, Indiana University, Bloomington 47405.

Abstract

Accumulating evidence that introns are highly restricted in their phylogenetic distribution strongly supports the view that introns were inserted late in eukaryotic evolution into preformed genes and, hence, that exon-shuffling played no role in the assembly of primordial genes. Potential mechanisms of intron insertion and the possible evolution of nuclear introns and their splicing machinery from self-splicing group II introns are also discussed.

PMID:: 1822279; [PubMed - indexed for MEDLINE]

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Review The antiquity of group I introns. [Curr Opin Genet Dev. 1991]
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Cited by 61 PubMed Central articles

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