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WILEY INTERDISCIPLINARY REVIEWS-RNA
卷 7, 期 3, 页码 341-355出版社
WILEY
DOI: 10.1002/wrna.1339
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Group II introns are catalytic RNAs (ribozymes) and retroelements found in the genomes of bacteria, archaebacteria, and organelles of some eukaryotes. The prototypical retroelement form consists of a structurally conserved RNA and a multidomain reverse transcriptase protein, which interact with each other to mediate splicing and mobility reactions. A wealth of biochemical, cross-linking, and X-ray crystal structure studies have helped to reveal how the two components cooperate to carry out the splicing and mobility reactions. In addition to the standard retroelement form, group II introns have evolved into derivative forms by either losing specific splicing or mobility characteristics, or becoming functionally specialized. Of particular interest are the eukaryotic derivativesthe spliceosome, spliceosomal introns, and non-LTR retroelementswhich together make up approximately half of the human genome. On a practical level, the properties of group II introns have been exploited to develop group II intron-based biotechnological tools. WIREs RNA 2016, 7:341-355. doi: 10.1002/wrna.1339 For further resources related to this article, please visit the .
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