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srd1, a Saccharomyces cerevisiae suppressor of the temperature-sensitive pre-rRNA processing defect of rrp1-1.

srd1, a Saccharomyces cerevisiae suppressor of the temperature-sensitive pre-rRNA processing... Abstract We define a new gene, SRD1, involved in the processing of pre-rRNA to mature rRNA. The SRD1 gene was identified by selecting for second-site suppressors of the previously described rrp1-1 mutation. The rrp1-1 mutation causes temperature-sensitive growth, a conditional defect in processing of 27S pre-rRNA to mature 25S rRNA, and a nonconditional increase in sensitivity to several aminoglycoside antibiotics. All srd1 alleles identified are recessive and apparently specific to the rrp1-1 mutation. Although a mutation of SRD1 suppresses the pre-rRNA processing defect, drug sensitivity and thermolethality of a point mutation of RRP1, it is unable to suppress a rrp1-disruption allele. We suggest that the SRD1 gene product either interacts with or regulates the RRP1 product. This content is only available as a PDF. © Genetics 1990 This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Genetics Oxford University Press

srd1, a Saccharomyces cerevisiae suppressor of the temperature-sensitive pre-rRNA processing defect of rrp1-1.

Fabian, G R; Hess, S M; Hopper, A K
Genetics , Volume 124 (3) – Mar 1, 1990
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Publisher
Oxford University Press
Copyright
Copyright © 2021 Genetics Society of America
ISSN
0016-6731
eISSN
1943-2631
DOI
10.1093/genetics/124.3.497
Publisher site
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Abstract

Abstract We define a new gene, SRD1, involved in the processing of pre-rRNA to mature rRNA. The SRD1 gene was identified by selecting for second-site suppressors of the previously described rrp1-1 mutation. The rrp1-1 mutation causes temperature-sensitive growth, a conditional defect in processing of 27S pre-rRNA to mature 25S rRNA, and a nonconditional increase in sensitivity to several aminoglycoside antibiotics. All srd1 alleles identified are recessive and apparently specific to the rrp1-1 mutation. Although a mutation of SRD1 suppresses the pre-rRNA processing defect, drug sensitivity and thermolethality of a point mutation of RRP1, it is unable to suppress a rrp1-disruption allele. We suggest that the SRD1 gene product either interacts with or regulates the RRP1 product. This content is only available as a PDF. © Genetics 1990 This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

Journal

Genetics – Oxford University Press

Published: Mar 1, 1990

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