Cited by 601Genetic Syndromes and ImprintingRNA modifications and cancerChromosomal and Genetic Variations

Identification of brain-specific and imprinted small nucleolar RNA genes exhibiting an unusual genomic organization

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Cavaillé, Jérôme, Buiting, Karin, Kiefmann, Martin, Lalande, Marc, Brannan, Camilynn I., Horsthemke, Bernhard, Bachellerie, Jean-Pierre, Brosius, Jürgen +1 more·2000·Proceedings of the National Academy of Sciences

Abstract

We have identified three C/D-box small nucleolar RNAs (snoRNAs) and one H/ACA-box snoRNA in mouse and human. In mice, all four snoRNAs (MBII-13, MBII-52, MBII-85, and MBI-36) are exclusively expressed in the brain, unlike all other known snoRNAs. Two of the human RNA orthologues (HBII-52 and HBI-36) share this expression pattern, and the remainder, HBII-13 and HBII-85, are prevalently expressed in that tissue. In mice and humans, the brain-specific H/ACA box snoRNA (MBI-36 and HBI-36, respectively) is intron-encoded in the brain-specific serotonin 2C receptor gene. The three human C/D box snoRNAs map to chromosome 15q11–q13, within a region implicated in the Prader–Willi syndrome (PWS), which is a neurogenetic disease resulting from a deficiency of paternal gene expression. Unlike other C/D box snoRNAs, two snoRNAs, HBII-52 and HBII-85, are encoded in a tandemly repeated array of 47 or 24 units, respectively. In mouse the homologue of HBII-52 is processed from intronic portions of the tandem repeats. Interestingly, these snoRNAs were absent from the cortex of a patient with PWS and from a PWS mouse model, demonstrating their paternal imprinting status and pointing to their potential role in the etiology of PWS. Despite displaying hallmarks of the two families of ubiquitous snoRNAs that guide 2′-O-ribose methylation and pseudouridylation of rRNA, respectively, they lack any telltale rRNA complementarity. Instead, brain-specific C/D box snoRNA HBII-52 has an 18-nt phylogenetically conserved complementarity to a critical segment of serotonin 2C receptor mRNA, pointing to a potential role in the processing of this mRNA.

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  • SNORD116 is expressed exclusively from the paternally inherited allele, whereas maternally inherited alleles of UBE3A are linked to PWS.

    “For example, SNORD116 is expressed exclusively from the paternally inherited allele113, whereas maternally inherited alleles of UBE3A are linked to PWS119,120.”

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Research works printed but not linked: 2

  1. [2]Massenet S, Mougin A, Branlant C. In: Modification and Editing of RNA: The Alteration of RNA Structure and Function. Grosjean H, Benne R, editors. Washington, DC: Am. Soc. Microbiol.; 1998. pp. 201–228. [Google Scholar]
  2. [36]Canton H, Emeson R B, Barker E L, Backstrom J R, Lu J T, Chang M S, Sanders Bush E. Mol Pharmacol. 1996;50:799–807. [PubMed] [Google Scholar]

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Authors
Cavaillé, J., Buiting, K., Kiefmann, M., Lalande, M., Brannan, C. I., Horsthemke, B., Bachellerie, J.-P., Brosius, J., & Hüttenhofer, A.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Proceedings of the National Academy of Sciences
Published
2000-12-05
Volume
97
Issue
26
Pages
14311-14316
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2003849576
Cited by
601
References
37
Citations by year
2026: 9 · 2025: 12 · 2024: 8 · 2023: 12 · 2022: 16 · 2021: 33 · 2020: 22 · 2019: 18 · 2018: 21 · 2017: 11 · 2016: 24 · 2015: 13 · 2014: 22 · 2013: 23 · 2012: 26
FWCI
17.29
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Syndromes and Imprinting
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
Keywords
small nucleolar RNA, box C/D snoRNA, brain-specific expression, genomic imprinting, paternal gene expression, Prader-Willi syndrome, chromosome 15q11-q13, 5-HT2C receptor, tandem repeat arrays, mRNA processing, 2'-O-ribose methylation, pseudouridylation, rRNA modification
MeSH terms
Animals, Base Sequence, Brain, Cell Line, Chromosome Mapping, Humans, Molecular Sequence Data, Tissue Distribution, DNA, Complementary, Genomic Imprinting, Tandem Repeat Sequences, RNA, Small Nucleolar, Mice, Rats

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