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PMID: 16453822 Published · ppublish English Journal Article

7SL RNA from Schizosaccharomyces pombe is encoded by a single copy essential gene.

The EMBO journal ·Vol. 7 ·No. 1 ·1988-01-00 ·Pages 231-7

Ribes V, Dehoux P, Tollervey D

Abstract

We have identified an abundant ribonucleoprotein particle from Schizosaccharomyces pombe with properties related to those of the vertebrate signal recognition particle (SRP), including cytoplasmic localization, association with microsomes and ribosomes at low, but not high, salt concentrations and high resistance to micrococcal nuclease. The 256-nucleotide RNA component carries a 5'-triphosphate group and shows close secondary structure, and limited primary sequence homology to vertebrate 7SL RNA. 7SL-like RNAs were also detected in a number of other fungi. The single copy gene (SRP7) encoding S.pombe 7SL was disrupted by insertion of a transposon carrying the selective marker LEU2, and the disrupted gene was used to replace one chromosomal SRP7 gene in a diploid strain. Haploid srp7[unk] strains fail to germinate.

Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Ribes V
Génie Microbiologique, Institut Pasteur, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France.
Dehoux P
Tollervey D
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Article Info
Journal
The EMBO journal
Abbr.
EMBO J
ISSN
0261-4189
Published
1988-01-00
Pages
231-7
Language
English
Region
England
NLM ID
8208664
PMCID
PMC454262
External Links
PubMed source PMC Full Text View journal details
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