Preferred Name

snoRNA

Synonyms

INSDC_feature:ncRNA

small nucleolar RNA

INSDC_qualifier:snoRNA

Definitions

Small nucleolar RNAs (snoRNAs) are short non-coding RNAs enriched in the nucleolus as components of small nucleolar ribonucleoproteins. They guide ribose methylation and pseudouridylation of rRNAs and snRNAs, and a subgroup regulate excision of rRNAs from rRNA precursor transcripts. snoRNAs may also guide rRNA acetylation and tRNA methylation, and regulate mRNA abundance and alternative splicing. Updated the definition of snoRNA (SO:0000275) from "A snoRNA (small nucleolar RNA) is any one of a class of small RNAs that are associated with the eukaryotic nucleus as components of small nucleolar ribonucleoproteins. They participate in the processing or modifications of many RNAs, mostly ribosomal RNAs (rRNAs) though snoRNAs are also known to target other classes of RNA, including spliceosomal RNAs, tRNAs, and mRNAs via a stretch of sequence that is complementary to a sequence in the targeted RNA." to "Small nucleolar RNAs (snoRNAs) are short non-coding RNAs enriched in the nucleolus as components of small nucleolar ribonucleoproteins. They guide ribose methylation and pseudouridylation of rRNAs and snRNAs, and a subgroup regulate excision of rRNAs from rRNA precursor transcripts. snoRNAs may also guide rRNA acetylation and tRNA methylation, and regulate mRNA abundance and alternative splicing." to acknowledge that some snoRNAs functionally localize to other compartments (cytoplasm or even secreted). See GitHub Issue #578.

ID

http://purl.obolibrary.org/obo/SO_0000275

comment

Updated the definition of snoRNA (SO:0000275) from "A snoRNA (small nucleolar RNA) is any one of a class of small RNAs that are associated with the eukaryotic nucleus as components of small nucleolar ribonucleoproteins. They participate in the processing or modifications of many RNAs, mostly ribosomal RNAs (rRNAs) though snoRNAs are also known to target other classes of RNA, including spliceosomal RNAs, tRNAs, and mRNAs via a stretch of sequence that is complementary to a sequence in the targeted RNA." to "Small nucleolar RNAs (snoRNAs) are short non-coding RNAs enriched in the nucleolus as components of small nucleolar ribonucleoproteins. They guide ribose methylation and pseudouridylation of rRNAs and snRNAs, and a subgroup regulate excision of rRNAs from rRNA precursor transcripts. snoRNAs may also guide rRNA acetylation and tRNA methylation, and regulate mRNA abundance and alternative splicing." to acknowledge that some snoRNAs functionally localize to other compartments (cytoplasm or even secreted). See GitHub Issue #578.

definition

Small nucleolar RNAs (snoRNAs) are short non-coding RNAs enriched in the nucleolus as components of small nucleolar ribonucleoproteins. They guide ribose methylation and pseudouridylation of rRNAs and snRNAs, and a subgroup regulate excision of rRNAs from rRNA precursor transcripts. snoRNAs may also guide rRNA acetylation and tRNA methylation, and regulate mRNA abundance and alternative splicing.

derives_from

http://purl.obolibrary.org/obo/SO_0000232

has_broad_synonym

INSDC_feature:ncRNA

has_exact_synonym

small nucleolar RNA

INSDC_qualifier:snoRNA

has_obo_namespace

sequence

id

SO:0000275

in_subset

http://purl.obolibrary.org/obo/so#SOFA

label

snoRNA

notation

SO:0000275

prefLabel

snoRNA

subClassOf

http://purl.obolibrary.org/obo/SO_0002247

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http://purl.obolibrary.org/obo/SO_0000275 MicroRNA Ontology / MicroRNA本体 LOOM
http://purl.obolibrary.org/obo/SO_0000275 MicroRNA Ontology / MicroRNA本体 SAME_URI