Results 371 to 380 of about 292,600 (397)
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Cell Biology International, 2008
AbstractIntrons of plant tubulin genes are useful molecular tools to study IME (Intron Mediated Enhancement of gene expression) and to define plant genetic and evolutionary relationships through ILP (Intron Length Polymorphism). Here we show that the intron present within the 5′UTR sequence of some rice β‐tubulin genes can sustain IME in rice ...
Breviario D +4 more
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AbstractIntrons of plant tubulin genes are useful molecular tools to study IME (Intron Mediated Enhancement of gene expression) and to define plant genetic and evolutionary relationships through ILP (Intron Length Polymorphism). Here we show that the intron present within the 5′UTR sequence of some rice β‐tubulin genes can sustain IME in rice ...
Breviario D +4 more
openaire +5 more sources
Self-splicing of group I introns.
Annual Review of Biochemistry, 1990PERSPECTlVES . ... . .... .. ..... ... . . ........ . .... ...... .... . ... 543 REACTION PATHWAY ... . . ... ...... . ....... .. ..... . ... . ..... .. . . ...... ... . . . 545 Splicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T. Cech
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Intron Biology, Focusing on Group II Introns, the Ancestors of Spliceosomal Introns
2015Self-splicing group II introns are large ribozymes and mobile retroelements initially identified in the mitochondrial and chloroplast genomes of lower eukaryotes and plants and subsequently found in bacteria and archaea. Group II introns display structural, functional and mechanistic similarities to eukaryotic pre-mRNA nuclear introns, which may have ...
Francisco Martínez-Abarca +4 more
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Current Biology, 1991
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.
Jeffrey D. Palmer, John M. Logsdon
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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.
Jeffrey D. Palmer, John M. Logsdon
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Molecular biology and evolution, 2012
Intron loss is often thought to occur through retroprocessing, which is the reverse transcription and genomic integration of a spliced transcript. In plant mitochondria, several unambiguous examples of retroprocessing are supported by the parallel loss ...
N. J. Hepburn +2 more
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Intron loss is often thought to occur through retroprocessing, which is the reverse transcription and genomic integration of a spliced transcript. In plant mitochondria, several unambiguous examples of retroprocessing are supported by the parallel loss ...
N. J. Hepburn +2 more
semanticscholar +1 more source
Annual Review of Genetics, 2004
Mobile group II introns, found in bacterial and organellar genomes, are both catalytic RNAs and retrotransposable elements. They use an extraordinary mobility mechanism in which the excised intron RNA reverse splices directly into a DNA target site and ...
A. Lambowitz, S. Zimmerly
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Mobile group II introns, found in bacterial and organellar genomes, are both catalytic RNAs and retrotransposable elements. They use an extraordinary mobility mechanism in which the excised intron RNA reverse splices directly into a DNA target site and ...
A. Lambowitz, S. Zimmerly
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Intron Splicing and Intron-mediated Enhanced Expression in Monocots
1992Publisher Summary The basic recognition sites (5 ‘ , 3‘, and branchpoint) for intron splicing in plants do not differ significantly from those of vertebrates. It is also demonstrated, by the mutations of splice-site recognition sequences, that the 5 ‘ GT or 3‘ AG dinucleotides are essential for proper splicing in monocots.
Ralph M. Sinibaldi, Irvin J. Mettler
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Introns are mediators of cell response to starvation
Nature, 2019J. Parenteau +5 more
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Intron-Mediated RNA Interference, Intronic MicroRNAs, and Applications
2010Nearly 97% of the human genome is non-coding DNA. The intron occupies most of it around the gene-coding regions. Numerous intronic sequences have been recently found to encode microRNAs (miRNAs), responsible for RNA-mediated gene silencing through RNA interference (RNAi)-like pathways.
Shao-Yao Ying +2 more
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How introns enhance gene expression.
International Journal of Biochemistry and Cell Biology, 2017O. Shaul
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