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Cited by 578

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NSun2-Mediated Cytosine-5 Methylation of Vault Noncoding RNA Determines Its Processing into Regulatory Small RNAs

Open access
Hussain, Shobbir, Sajini, Abdulrahim A., Blanco, Sandra, Dietmann, Sabine, Lombard, Patrick, Sugimoto, Yoichiro, Paramor, Maike, Gleeson, Joseph G., Odom, Duncan T., Ule, Jernej, Frye, Michaela·2013·Cell Reports

Abstract

Autosomal-recessive loss of the NSUN2 gene has been identified as a causative link to intellectual disability disorders in humans. NSun2 is an RNA methyltransferase modifying cytosine-5 in transfer RNAs (tRNAs), yet the identification of cytosine methylation in other RNA species has been hampered by the lack of sensitive and reliable molecular techniques. Here, we describe miCLIP as an additional approach for identifying RNA methylation sites in transcriptomes. miCLIP is a customized version of the individual-nucleotide-resolution crosslinking and immunoprecipitation (iCLIP) method. We confirm site-specific methylation in tRNAs and additional messenger and noncoding RNAs (ncRNAs). Among these, vault ncRNAs contained six NSun2-methylated cytosines, three of which were confirmed by RNA bisulfite sequencing. Using patient cells lacking the NSun2 protein, we further show that loss of cytosine-5 methylation in vault RNAs causes aberrant processing into Argonaute-associated small RNA fragments that can function as microRNAs. Thus, impaired processing of vault ncRNA may contribute to the etiology of NSun2-deficiency human disorders.

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Metadata

Authors
Hussain, S., Sajini, A. A., Blanco, S., Dietmann, S., Lombard, P., Sugimoto, Y., Paramor, M., Gleeson, J. G., Odom, D. T., Ule, J., & Frye, M.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2013-07
Volume
4
Issue
2
Pages
255-261
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2022268135
Cited by
578
References
6
FWCI
12.10
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: NSun2-Mediated Cytosine-5 Methylation of Vault Noncoding RNA Determines Its Processing into Regulatory Small RNAs. https://app.cochat.ai/papers/10.1016/j.celrep.2013.06.029
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Hussain, S., Sajini, A. A., Blanco, S., Dietmann, S., Lombard, P., Sugimoto, Y., Paramor, M., Gleeson, J. G., Odom, D. T., Ule, J., & Frye, M. (2013). NSun2-Mediated Cytosine-5 Methylation of Vault Noncoding RNA Determines Its Processing into Regulatory Small RNAs. Cell Reports. https://doi.org/10.1016/j.celrep.2013.06.029

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