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Názov On the possibility of an early evolutionary origin for the spliced leader trans-splicing Aut.údaje Zuzana Krchňáková, Juraj Krajčovič, Matej Vesteg Autor Krchňáková Zuzana (40%)
Spoluautori Krajčovič Juraj (30%)
Vesteg Matej 1982- (30%) UMBFP09 - Katedra biológie a ekológie
Zdroj.dok. Journal of Molecular Evolution. Vol. 85, no. 1-2 (2017), pp. 37-45. - New York : Springer, 2017 Kľúč.slová biológia - biology evolučná biológia - evolutionary biology Jazyk dok. angličtina Krajina Spojené štáty Systematika 57 Anotácia © 2017 Springer Science+Business Media, LLC Trans-splicing is a process by which 5′- and 3′-ends of two pre-RNA molecules transcribed from different sites of the genome can be joined together to form a single RNA molecule. The spliced leader (SL) trans-splicing is mediated by the spliceosome and it allows the replacement of 5′-end of pre-mRNA by 5′(SL)-end of SL-RNA. This form of splicing has been observed in many phylogenetically unrelated eukaryotes. Either the SL trans-splicing (SLTS) originated in the last eukaryotic common ancestor (LECA) (or even earlier) and it was lost in most eukaryotic lineages, or this mechanism of RNA processing evolved several times independently in various unrelated eukaryotic taxa. The bioinformatic comparisons of SL-RNAs from various eukaryotic taxonomic groups have revealed the similarities of secondary structures of most SL-RNAs and a relative conservation of their splice sites (SSs) and Sm-binding sites (SmBSs). We propose that such structural and functional similarities of SL-RNAs are unlikely to have evolved repeatedly many times. Hence, we favor the scenario of an early evolutionary origin for the SLTS and multiple losses of SL-RNAs in various eukaryotic lineages. Kategória publikačnej činnosti ADC Číslo archívnej kópie 40077 Kategória ohlasu YAGUE-SANZ, Carlo - HERMAND, Damien. SL-quant : a fast and flexible pipeline to quantify spliced leader trans-splicing events from RNA-seq data. In GigaScience, 2018, vol. 7, no. 7.
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