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Table · dataset · 2026

<p>Primers used in this study.</p>

Listed in ZivaHub and Deakin Research Online and DMU Figshare and UCL Research Data Repository and HKU DataHub and Swinburne Figshare and DaYta Ya Rona and SUNScholarData and figshare and Loughborough Research Repository and GRANTS Data and UP Research Data Repository — shown once because both records carry DOI 10.1371/journal.pone.0359197.s014

<div><p>Ribosomal proteins, because of their RNA-binding capacity, may engage various cellular RNAs and fulfill non-ribosomal roles.

Description

Previously, we and others described the intergenic regulation mediated by splicing of <i>RPL22</i> paralogs in <i>Saccharomyces cerevisiae</i>. Here, we prepared a panel of <i>RPL22A/B</i> intronic mutants with respect to their RNAfold-predicted features and analyzed their properties.

We tested splicing efficiency and Rpl22-intron binding using an intron-containing reporter and a yeast three-hybrid system, respectively. We found that the splicing of <i>RPL22</i> introns can be inhibited by stabilizing a predicted stem as part of a particular type of conformation (I structure). Stabilizing the formation of an alternate stem (P structure) permitted splicing.

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Binding of the Rpl22 protein to the intron led to enhanced splicing inhibition in WT and several of the mutants, which we interpret as stabilization of the I structure. Mutagenesis identified both the main and alternative 5’ss and additional stem loops as part of the regulatory mechanism. The inhibitory conformation of the intron did not prevent recognition of the 5’ss and branch point, but rather stalled splicing at a later stage, before the first catalytic step.

We conclude that the structural ensemble of the <i>RPL22</i> pre-mRNA behaves as an allosteric switch that responds to Rpl22 concentration.</p></div>

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Catalogue records · 1

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Related

Provenance · 12 source records, 134 field assertions
SourceKeyLast seenRaw
ZivaHuboai:figshare.com:article/340476116 d agoJSON v1
Deakin Research Onlineoai:figshare.com:article/340476116 d agoJSON v1
DMU Figshareoai:figshare.com:article/340476116 d agoJSON v1
UCL Research Data Repositoryoai:figshare.com:article/340476116 d agoJSON v1
HKU DataHuboai:figshare.com:article/340476116 d agoJSON v1
Swinburne Figshareoai:figshare.com:article/340476116 d agoJSON v1
DaYta Ya Ronaoai:figshare.com:article/340476115 d agoJSON v1
SUNScholarDataoai:figshare.com:article/340476115 d agoJSON v1
figshareoai:figshare.com:article/340476115 d agoJSON v1
Loughborough Research Repositoryoai:figshare.com:article/340476115 d agoJSON v1
GRANTS Dataoai:figshare.com:article/340476115 d agoJSON v1
UP Research Data Repositoryoai:figshare.com:article/340476114 d agoJSON v1
FieldAssertionExtractorEvidence
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concepts[field].anzsrc:group:3107mapping · zivahub uct ac zavocabulary-mapper@1.0.0keywords['Microbiology']
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concepts[field].anzsrc:group:3107mapping · datahub hku hkvocabulary-mapper@1.0.0keywords['Microbiology']
concepts[field].anzsrc:group:3107mapping · grantsdata jst go jpvocabulary-mapper@1.0.0keywords['Microbiology']
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concepts[field].local:field:earth-environmentalmapping · figshare swinburne edu auconnector:figshare_swinburne_edu_au@1.0.0
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concepts[field].local:field:materials-sciencemapping · repository lboro ac ukconnector:repository_lboro_ac_uk@1.0.0
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concepts[field].local:field:ocean-atmosphericmapping · figshare comconnector:figshare_com@1.0.0
concepts[field].local:field:psychology-behavioralmapping · repository lboro ac ukconnector:repository_lboro_ac_uk@1.0.0
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