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Article

Intronic snoRNA biosynthesis in Saccharomyces cerevisiae depends on the lariat-debranching enzyme: intron length effects and activity of a precursor snoRNA.

RNA (New York, N.Y.) - 1 Sept 1998

Ooi S L, Samarsky D A, Fournier M J, Boeke J D

Abstract excerpt

The eukaryotic small nucleolar RNAs (snoRNAs) are involved in processing of pre-rRNA and modification of rRNA nucleotides. Some snoRNAs are derived from mono- or polycistronic transcription units, whereas others are encoded in introns of protein genes. The present study addresses the role of the RNA lariat-debranching enzyme (Dbr1p) in the synthesis and function of intronic snoRNAs in the yeast Saccharomyces...

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Identifiers

PMID: 9740128
DOI: 10.1017/s1355838298980785
PMCID: PMC1369685

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Intronic snoRNA biosynthesis in Saccharomyces cerevisiae depends on the lariat-debranching enzyme: intron length effects and activity of a precursor snoRNA.PMID 9740128Read ↗

The position of yeast snoRNA-coding regions within host introns is essential for their biosynthesis and for efficient splicing of the host pre-mRNA.Semantic proximity Read ↗

Severe growth defect in a Schizosaccharomyces pombe mutant defective in intron lariat degradation.Semantic proximity Read ↗

Saccharomyces cerevisiae RNA lariat debranching enzyme, Dbr1p, is required for completion of reverse transcription by the retrovirus-like element Ty1 and cleaves branched Ty1 RNAs.Semantic proximity Read ↗

Genome-wide search for yeast RNase P substrates reveals role in maturation of intron-encoded box C/D small nucleolar RNAs.Semantic proximity Read ↗

Release of U18 snoRNA from its host intron requires interaction of Nop1p with the Rnt1p endonuclease.Semantic proximity Read ↗

Human RNA lariat debranching enzyme cDNA complements the phenotypes of Saccharomyces cerevisiae dbr1 and Schizosaccharomyces pombe dbr1 mutants.Semantic proximity Read ↗

Extensive degradation of RNA precursors by the exosome in wild-type cells.Semantic proximity Read ↗

Healing for destruction: tRNA intron degradation in yeast is a two-step cytoplasmic process catalyzed by tRNA ligase Rlg1 and 5'-to-3' exonuclease Xrn1.Semantic proximity Read ↗

SnoRNA guide activities – real and ambiguousSemantic proximity Read ↗

Characterization of three new snRNAs from Saccharomyces cerevisiae: snR34, snR35 and snR36.Semantic proximity Read ↗

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