Open Access
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Nucleic Acids Research, volume 40, issue 7, pages 2956-2963

Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast

Greenwood Jessica 1
COOPER JULIA C. 1
1
 
Cancer Research UK London Research Institute, 44 Lincoln’s Inn Fields London WC2A 3LY, UK,
Publication typeJournal Article
Publication date2011-12-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor14.9
ISSN03051048, 13624962
PubMed ID:  22139922
Genetics
Abstract
While telomere repeat-containing non-coding RNA has been identified in a variety of eukaryotes, its biological role is not yet clear. We have identified telomeric transcripts in fission yeast, a model system that combines precise genetic manipulability with telomeres remarkably similar to those of human. Like human and budding yeast, fission yeast harbours a population of telomeric RNA molecules containing G-rich telomeric repeats transcribed from the subtelomere to the telomere. In addition, we detect substantial levels of C-rich telomeric RNA whose appearance is independent of the RNA-dependent RNA polymerase, suggesting that the telomere repeats themselves serve as promoter sites; multiple distinct subtelomeric RNAs are also present. The regulation of these transcripts depends on the telomere-associated proteins Taz1 and Rap1, as deletion of taz1+ or rap1+ leads to increased levels of both telomere repeat-containing and subtelomeric transcripts. In contrast, loss of the heterochromatin proteins Swi6 or Clr4 or the telomerase regulator Rif1 results in elevated subtelomeric RNA levels while telomere-repeat containing transcript levels remain repressed. Coupled with the large body of knowledge surrounding the functions of telomeric and heterochromatin factors in fission yeast, these in vivo analyses suggest testable models for the roles of TERRA in telomere function.

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Greenwood J., COOPER J. C. Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast // Nucleic Acids Research. 2011. Vol. 40. No. 7. pp. 2956-2963.
GOST all authors (up to 50) Copy
Greenwood J., COOPER J. C. Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast // Nucleic Acids Research. 2011. Vol. 40. No. 7. pp. 2956-2963.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1093/nar/gkr1155
UR - https://doi.org/10.1093%2Fnar%2Fgkr1155
TI - Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast
T2 - Nucleic Acids Research
AU - Greenwood, Jessica
AU - COOPER, JULIA C.
PY - 2011
DA - 2011/12/01 00:00:00
PB - Oxford University Press
SP - 2956-2963
IS - 7
VL - 40
PMID - 22139922
SN - 0305-1048
SN - 1362-4962
ER -
BibTex |
Cite this
BibTex Copy
@article{2011_Greenwood,
author = {Jessica Greenwood and JULIA C. COOPER},
title = {Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast},
journal = {Nucleic Acids Research},
year = {2011},
volume = {40},
publisher = {Oxford University Press},
month = {dec},
url = {https://doi.org/10.1093%2Fnar%2Fgkr1155},
number = {7},
pages = {2956--2963},
doi = {10.1093/nar/gkr1155}
}
MLA
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MLA Copy
Greenwood, Jessica, and JULIA C. COOPER. “Non-coding telomeric and subtelomeric transcripts are differentially regulated by telomeric and heterochromatin assembly factors in fission yeast.” Nucleic Acids Research, vol. 40, no. 7, Dec. 2011, pp. 2956-2963. https://doi.org/10.1093%2Fnar%2Fgkr1155.
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