Small nucleolar RNAs: continuing identification of novel members and increasing diversity of their molecular mechanisms of action.

Abstract:

:Identified five decades ago amongst the most abundant cellular RNAs, small nucleolar RNAs (snoRNAs) were initially described as serving as guides for the methylation and pseudouridylation of ribosomal RNA through direct base pairing. In recent years, however, increasingly powerful high-throughput genomic approaches and strategies have led to the discovery of many new members of the family and surprising diversity in snoRNA functionality and mechanisms of action. SnoRNAs are now known to target RNAs of many biotypes for a wider range of modifications, interact with diverse binding partners, compete with other binders for functional interactions, recruit diverse players to targets and affect protein function and accessibility through direct interaction. This mini-review presents the continuing characterization of the snoRNome through the identification of new snoRNA members and the discovery of their mechanisms of action, revealing a highly versatile noncoding family playing central regulatory roles and connecting the main cellular processes.

journal_name

Biochem Soc Trans

authors

Bergeron D,Fafard-Couture É,Scott MS

doi

10.1042/BST20191046

subject

Has Abstract

pub_date

2020-04-29 00:00:00

pages

645-656

issue

2

eissn

0300-5127

issn

1470-8752

pii

222604

journal_volume

48

pub_type

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