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Article

Expression and inheritance of the yeast extrachromosomal element psi do not depend on RNA polymerase I.

Current genetics - 1 Jan 1994

Nierras C R, Cox B S

Abstract excerpt

The extrachromosomal element psi affects translation fidelity in the yeast Saccharomyces cerevisiae by increasing the efficiency of tRNA-mediated ochre suppression. The nature of the psi factor is unknown, although there is evidence that 3-microns circles from psi+ strains can be used to transform psi- cells to psi+. The 3-microns circles are extrachromosomal copies of the repeating ribosomal DNA unit, which is...

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PMID: 8082166
DOI: 10.1007/BF00712967

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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.

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