Chapter title |
High-Throughput Small RNA Sequencing Enhanced by AlkB-Facilitated RNA de-Methylation (ARM-Seq)
|
---|---|
Chapter number | 15 |
Book title |
RNA Methylation
|
Published in |
Methods in molecular biology, March 2017
|
DOI | 10.1007/978-1-4939-6807-7_15 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6805-3, 978-1-4939-6807-7
|
Authors |
Eva Hrabeta-Robinson, Erin Marcus, Aaron E. Cozen, Eric M. Phizicky, Todd M. Lowe |
Editors |
Alexandra Lusser |
Abstract |
N (1)-methyladenosine (m(1)A), N (3)-methylcytidine (m(3)C), and N (1)-methylguanosine (m(1)G) are common in transfer RNA (tRNA) and tRNA-derived fragments. These modifications alter Watson-Crick base-pairing, and cause pauses or stops during reverse transcription required for most high-throughput RNA sequencing protocols, resulting in inefficient detection of methyl-modified RNAs. Here, we describe a procedure to demethylate RNAs containing m(1)A, m(3)C, or m(1)G using the Escherichia coli dealkylating enzyme AlkB, along with instructions for subsequent processing with widely used protocols for small RNA sequencing. |
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