2013
DOI: 10.1101/cshperspect.a010405
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Replication of Telomeres and the Regulation of Telomerase

Abstract: Telomeres are the physical ends of eukaryotic chromosomes. They protect chromosome ends from DNA degradation, recombination, and DNA end fusions, and they are important for nuclear architecture. Telomeres provide a mechanism for their replication by semiconservative DNA replication and length maintenance by telomerase. Through telomerase repression and induced telomere shortening, telomeres provide the means to regulate cellular life span. In this review, we introduce the current knowledge on telomere composit… Show more

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Cited by 106 publications
(100 citation statements)
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References 150 publications
(166 reference statements)
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“…These telomeric repeats, along with bound proteins, create an end-protective structure that distinguishes authentic chromosome ends from unintended double-stranded DNA breaks (1)(2)(3). Telomere integrity is compromised by the attrition of repeats as an inevitable consequence of genome replication and the many steps of chromosome end processing (4)(5)(6). Replication-linked telomere shortening is progressive, leading eventually to one or more telomeres of a length insufficient for end-protective function.…”
mentioning
confidence: 99%
“…These telomeric repeats, along with bound proteins, create an end-protective structure that distinguishes authentic chromosome ends from unintended double-stranded DNA breaks (1)(2)(3). Telomere integrity is compromised by the attrition of repeats as an inevitable consequence of genome replication and the many steps of chromosome end processing (4)(5)(6). Replication-linked telomere shortening is progressive, leading eventually to one or more telomeres of a length insufficient for end-protective function.…”
mentioning
confidence: 99%
“…repressore activator protein), TPP1 (znane tez jako TINT1/PIP1/PTOP1) oraz TIN2 (jądrowy czynnik interakcji, ang. interacting nuclear factor) (7)(8)(9)(10). Do utrzymania struktury telomerów niezbędny jest dokładny, wolny od błędów proces replikacji oraz obecność sygnałów naprawy DNA potrzebnych do zachowania stabilności genomu, a więc poprawnego funkcjonowania i żywotności komórek (11).…”
Section: Telomeraza I Telomery -Budowa Funkcjeunclassified
“…The telomere proteins prevent the chromosome terminus from being recognized as DNA damage. They also regulate access of telomerase, the enzyme that synthesizes telomeric DNA to maintain telomere length (2,3). In the ciliate Tetrahymena thermophila, telomeres are bound by a four-protein complex composed of Pot1 (formally Pot1a), Tpt1, Pat1, and Pat2 (4,5).…”
mentioning
confidence: 99%