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DIS3L2 and LSm proteins are involved in the surveillance of Sm ring-deficient snRNAs

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F20%3A10424177" target="_blank" >RIV/00216208:11310/20:10424177 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14740/20:00114751

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=aX9k84QGwb" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=aX9k84QGwb</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1093/nar/gkaa301" target="_blank" >10.1093/nar/gkaa301</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    DIS3L2 and LSm proteins are involved in the surveillance of Sm ring-deficient snRNAs

  • Original language description

    Spliceosomal small nuclear ribonucleoprotein particles (snRNPs) undergo a complex maturation pathway containing multiple steps in the nucleus and in the cytoplasm. snRNP biogenesis is strictly proof-read and several quality control checkpoints are placed along the pathway. Here, we analyzed the fate of small nuclear RNAs (snRNAs) that are unable to acquire a ring of Sm proteins. We showed that snRNAs lacking the Sm ring are unstable and accumulate in P-bodies in an LSm1-dependent manner. We further provide evidence that defective snRNAs without the Sm binding site are uridylated at the 3&apos; end and associate with DIS3L2 3&apos;-&gt; 5&apos; exoribonuclease and LSm proteins. Finally, inhibition of 5&apos;-&gt; 3&apos; exoribonuclease XRN1 increases association of Delta Sm snRNAs with DIS3L2, which indicates competition and compensation between these two degradation enzymes. Together, we provide evidence that defective snRNAs without the Sm ring are uridylated and degraded by alternative pathways involving either DIS3L2 or LSm proteins and XRN1.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10600 - Biological sciences

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nucleic Acids Research

  • ISSN

    0305-1048

  • e-ISSN

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    14

  • Pages from-to

    6184-6197

  • UT code for WoS article

    000574284500034

  • EID of the result in the Scopus database

    2-s2.0-85086524513