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Article

Association of snR190 snoRNA chaperone with early pre-60S particles is regulated by the RNA helicase Dbp7 in yeast.

Nature communications - 22 Oct 2021

Jaafar Mariam, Contreras Julia, Dominique Carine, Martín-Villanueva Sara, Capeyrou Régine, Vitali Patrice, Rodríguez-Galán Olga, Velasco Carmen, Humbert Odile, Watkins Nicholas J, Villalobo Eduardo, Bohnsack Katherine E, Bohnsack Markus T, Henry Yves, Merhi Raghida Abou, de la Cruz Jesús, Henras Anthony K

Abstract excerpt

Synthesis of eukaryotic ribosomes involves the assembly and maturation of precursor particles (pre-ribosomal particles) containing ribosomal RNA (rRNA) precursors, ribosomal proteins (RPs) and a plethora of assembly factors (AFs). Formation of the earliest precursors of the 60S ribosomal subunit (pre-60S r-particle) is among the least understood stages of ribosome biogenesis. It involves the Npa1 complex, a...

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Identifiers

PMID: 34686656
DOI: 10.1038/s41467-021-26207-w
PMCID: PMC8536666

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Association of snR190 snoRNA chaperone with early pre-60S particles is regulated by the RNA helicase Dbp7 in yeast.PMID 34686656Read ↗

Dbp6p is an essential putative ATP-dependent RNA helicase required for 60S-ribosomal-subunit assembly in Saccharomyces cerevisiae.Semantic proximity Read ↗

Dbp7p, a putative ATP-dependent RNA helicase from Saccharomyces cerevisiae, is required for 60S ribosomal subunit assembly.Semantic proximity Read ↗

Dbp10p, a putative RNA helicase from Saccharomyces cerevisiae, is required for ribosome biogenesis.Semantic proximity Read ↗

Characterization of Saccharomyces cerevisiae Npa2p (Urb2p) reveals a low-molecular-mass complex containing Dbp6p, Npa1p (Urb1p), Nop8p, and Rsa3p involved in early steps of 60S ribosomal subunit biogenesis.Semantic proximity Read ↗

Nop6, a component of 90S pre-ribosomal particles, is required for 40S ribosomal subunit biogenesis in Saccharomyces cerevisiae.Semantic proximity Read ↗

Mrd1p binds to pre-rRNA early during transcription independent of U3 snoRNA and is required for compaction of the pre-rRNA into small subunit processomes.Semantic proximity Read ↗

Dynamics of the putative RNA helicase Spb4 during ribosome assembly in Saccharomyces cerevisiae.Semantic proximity Read ↗

Mrd1p is required for release of base-paired U3 snoRNA within the preribosomal complex.Semantic proximity Read ↗

A dominant negative mutant of the E. coli RNA helicase DbpA blocks assembly of the 50S ribosomal subunit.Semantic proximity Read ↗

The conserved Bud20 zinc finger protein is a new component of the ribosomal 60S subunit export machinery.Semantic proximity Read ↗

The ribosome assembly factor Nop53 has a structural role in the formation of nuclear pre-60S intermediates, affecting late maturation events.Semantic proximity Read ↗

Characterization and mutational analysis of yeast Dbp8p, a putative RNA helicase involved in ribosome biogenesis.Semantic proximity Read ↗

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