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Group I introns


Group II intron is a class of self-catalytic ribozymes and retroelements found in rRNA, tRNA, mRNA of organelles in fungi, plants, protists, and bacteria. Self-splicing occurs in vitro, but protein machinery is probably...
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Group I catalytic introns are large self-splicing ribozymes. They catalyze their own excision from mRNA, tRNA and rRNA precursors in a wide range of organisms. The core secondary structure consists of nine paired regions (P1-P9). These fold to essentially two domains -...
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Most Group I introns then simply catalyze their own circularization. ... But, these days, and so far as we know, Group I introns in multi-cellular organisms are rare. ...
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Group II introns are widely believed to have been ancestors of spliceosomal ... colicin and pyocin nucleases, as well as to some group I intron ORFs (9,10) ...
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Human Molecular Genetics 2 conveys the feel of fast-moving research while providing a description in some depth of the ... Group I and II introns have ...
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Group I introns are widely distributed in protists, bac- teria and bacteriophages. ... group I introns in genomes is also a result of their ability ...
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Group I introns are autonomous genetic elements that can catalyze their own ... how group I introns move in nuclear ribosomal (r)DNA remains an important ...
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Group II introns can cut themselves out of a strand of RNA and ligate the pieces ... The catalytic machinery for group II intron splicing probably evolved into the ...
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Group I introns are widespread in eukaryotic organelles and nuclear-encoded ribosomal ... group I introns, a secondary structure-based alignment was ...
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Group I introns were discovered inserted at the same position ... the group I introns, which are ... the PCR products was due to group I introns that were ...
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The DNA of some Group I introns includes an open reading frame (ORF) that ... All the Group I introns share a characteristic secondary structure and mode of ...
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Whereas group I introns are found in all genomes of prokaryotic and eukaryotic ... Roman numerals I–VI mark the six domains of group II introns. ...
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Group II introns are ribozymes that catalyze a splicing reaction with the same ... RNA and does so through the recognition of elements in intron domains I and IV. ...
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Group II introns are self-splicing ribozymes believed to be the ancestors of ... Many group II introns encode reverse transcriptases that promote both RNA ...
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Group,II,introns,biological,biology dictionary,biology terminology,biology terms,biology abbreviations ... Not all group I and group II introns splice without ...
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