Open Access
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Cell Reports, volume 23, issue 7, pages 2199-2210

The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts

Publication typeJournal Article
Publication date2018-05-15
Journal: Cell Reports
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.8
ISSN22111247
General Biochemistry, Genetics and Molecular Biology
Abstract
Mammalian genomes are promiscuously transcribed, yielding protein-coding and non-coding products. Many transcripts are short lived due to their nuclear degradation by the ribonucleolytic RNA exosome. Here, we show that abolished nuclear exosome function causes the formation of distinct nuclear foci, containing polyadenylated (pA+) RNA secluded from nucleocytoplasmic export. We asked whether exosome co-factors could serve such nuclear retention. Co-localization studies revealed the enrichment of pA+ RNA foci with "pA-tail exosome targeting (PAXT) connection" components MTR4, ZFC3H1, and PABPN1 but no overlap with known nuclear structures such as Cajal bodies, speckles, paraspeckles, or nucleoli. Interestingly, ZFC3H1 is required for foci formation, and in its absence, selected pA+ RNAs, including coding and non-coding transcripts, are exported to the cytoplasm in a process dependent on the mRNA export factor AlyREF. Our results establish ZFC3H1 as a central nuclear pA+ RNA retention factor, counteracting nuclear export activity.

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Silla T. et al. The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts // Cell Reports. 2018. Vol. 23. No. 7. pp. 2199-2210.
GOST all authors (up to 50) Copy
Silla T., Karadoulama E., Makosa D., Lubas M., Jensen T. H. The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts // Cell Reports. 2018. Vol. 23. No. 7. pp. 2199-2210.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.celrep.2018.04.061
UR - https://doi.org/10.1016%2Fj.celrep.2018.04.061
TI - The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts
T2 - Cell Reports
AU - Silla, Toomas
AU - Karadoulama, Evdoxia
AU - Makosa, Dawid
AU - Lubas, Michal
AU - Jensen, Torben Heick
PY - 2018
DA - 2018/05/15 00:00:00
PB - Elsevier
SP - 2199-2210
IS - 7
VL - 23
PMID - 29768216
SN - 2211-1247
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Silla,
author = {Toomas Silla and Evdoxia Karadoulama and Dawid Makosa and Michal Lubas and Torben Heick Jensen},
title = {The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts},
journal = {Cell Reports},
year = {2018},
volume = {23},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016%2Fj.celrep.2018.04.061},
number = {7},
pages = {2199--2210},
doi = {10.1016/j.celrep.2018.04.061}
}
MLA
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MLA Copy
Silla, Toomas, et al. “The RNA Exosome Adaptor ZFC3H1 Functionally Competes with Nuclear Export Activity to Retain Target Transcripts.” Cell Reports, vol. 23, no. 7, May. 2018, pp. 2199-2210. https://doi.org/10.1016%2Fj.celrep.2018.04.061.
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