A streamlined protocol for the detection of mRNA-sRNA interactions using AMT-crosslinking in vitro

Until recently, RNA-RNA interactions were mainly identified by crosslinking RNAs with interacting proteins, RNA proximity ligation and deep sequencing. Recently, AMT-based direct RNA crosslinking was established. Yet, several steps of these procedures are rather inefficient, reducing the output of i...

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Veröffentlicht in:BioTechniques. - 1988. - 67(2019), 4 vom: 29. Okt., Seite 178-183
1. Verfasser: Kirsch, Rebecca (VerfasserIn)
Weitere Verfasser: Olzog, V Janett, Bonin, Sonja, Weinberg, Christina E, Betat, Heike, Stadler, Peter F, Mörl, Mario
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis thaliana tRNA ligase (AtRNL) M-MuLV reverse transcriptase RNA RevertAid transcriptase tRNA 2′-phosphotransferase 1 (Tpt1) Arabidopsis Proteins Cross-Linking Reagents Phosphates mehr... RNA, Messenger RNA Ligase (ATP) EC 6.5.1.3
Beschreibung
Zusammenfassung:Until recently, RNA-RNA interactions were mainly identified by crosslinking RNAs with interacting proteins, RNA proximity ligation and deep sequencing. Recently, AMT-based direct RNA crosslinking was established. Yet, several steps of these procedures are rather inefficient, reducing the output of identified interaction partners. To increase the local concentration of RNA ends, interacting RNAs are often fragmented. However, the resulting 2',3'-cyclic phosphate and 5'-OH ends are not accepted by T4 RNA ligase and have to be converted to 3'-OH and 5'-phosphate ends. Using an artificial mRNA/sRNA pair, we optimized the workflow downstream of the crosslinking reaction in vitro. The use of a tRNA ligase allows direct fusion of 2',3'-cyclic phosphate and 5'-OH RNA ends
Beschreibung:Date Completed 17.07.2020
Date Revised 17.07.2020
published: Print-Electronic
Citation Status MEDLINE
ISSN:1940-9818
DOI:10.2144/btn-2019-0047