Chapter title |
Detection and Quantification of RNA Modifications on RNA-DNA Hybrids Using SID-UPLC-MS/MS.
|
---|---|
Chapter number | 9 |
Book title |
R-Loops
|
Published in |
Methods in molecular biology, January 2022
|
DOI | 10.1007/978-1-0716-2477-7_9 |
Pubmed ID | |
Book ISBNs |
978-1-07-162476-0, 978-1-07-162477-7
|
Authors |
Starczak, Marta, Abakir, Abdulkadir, Ruzov, Alexey, Gackowski, Daniel |
Abstract |
R-loops are three-stranded nucleic acid structures consisting of an RNA-DNA hybrid and an unpaired strand of nontemplate DNA that represent a major source of genomic instability and are involved in regulation of several important biological processes in eukaryotic cells. A growing body of experimental evidence suggests that RNA moieties of RNA-DNA hybrids may convey RNA modifications influencing various aspects of R-loop biology. Here we present a protocol for quantitative analysis of RNA modifications on RNA-DNA hybrids using stable-isotope dilution ultraperformance liquid chromatography coupled with tandem mass spectrometry (SID-UPLC-MS/MS). Supplemented by other techniques, this method can be instrumental in deciphering the roles of RNA modifications in R-loop metabolism. |
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