CST–Polα/Primase: the second telomere maintenance machine

SW Cai, T de Lange - Genes & Development, 2023 - genesdev.cshlp.org
… affecting the telomerase-mediated telomere maintenance pathway, … and requires CST–Polα/Primase-mediated
fill-in. (… In vitro, CST–Polα/Primase does initiate with a major RNA product, …

CST complex and telomere maintenance

F Ishikawa - DNA Replication, Recombination, and Repair …, 2016 - Springer
… solely from the coupling of telomerase-mediated G strand synthesis and C … DNA replication
reactions in vitro containing purified DNA polymerase α/primase and artificial template DNA

[HTML][HTML] Distinct functions of POT1 proteins contribute to the regulation of telomerase recruitment to telomeres

P Gu, S Jia, T Takasugi, VM Tesmer… - Nature …, 2021 - nature.com
… as substrates for telomerase-mediated telomere elongation. … to promote C-strand fill-in,
POT1b is also required to promote … (mTERT) in vitro and localizes to mouse telomeres in the …

[HTML][HTML] Reconstitution of a telomeric replicon organized by CST

AJ Zaug, KJ Goodrich, JJ Song, AE Sullivan, TR Cech - Nature, 2022 - nature.com
… This replication requires telomerase 3 extension of the single-stranded DNA (ssDNA) of the
… in vivo, where the products made by Polα–primase are transferred to DNA polymerase 𝛿 for …

[HTML][HTML] Telomere replication: solving multiple end replication problems

E Bonnell, E Pasquier, RJ Wellinger - Frontiers in Cell and …, 2021 - frontiersin.org
… Using in vitro conditions close to physiological states, it has … stimulation of the DNA Pol
αprimase complex facilitates the fork … complications due to telomerase-mediated over elongation …

Evolving linear chromosomes and telomeres: a C-strand-centric view

NF Lue - Trends in biochemical sciences, 2018 - cell.com
… POT1-TPP1 complex, which regulates telomerase-mediated G-strand synthesis. … telomere
evolution that gives prominent considerations to the roles of CST, primase-Pol α, and telomere

ATR blocks telomerase from converting DNA breaks into telomeres

CG Kinzig, G Zakusilo, KK Takai, LR Myler, T de Lange - Science, 2024 - science.org
… Because telomerase requires a 3′ overhang in vitro (26), we anticipated that neotelomere
formation would require the MRN (Mre11/Rad50/Nbs1)/CtIP–mediated endonucleolytic …

CST does not evict elongating telomerase but prevents initiation by ssDNA binding

AJ Zaug, CJ Lim, CL Olson, MT Carilli… - Nucleic Acids …, 2021 - academic.oup.com
Pol α-primase binding appears to be required for nuclear … of the telomeric G-strand to pol
α-primase synthesis of the C-… from elongating DNA under multiple in vitro conditions, the switch …

[HTML][HTML] When the ends justify the means: regulation of telomere addition at double-strand breaks in yeast

RE Hoerr, K Ngo, KL Friedman - Frontiers in Cell and Developmental …, 2021 - frontiersin.org
… Neither group directly assessed the capacity of Cdc13 to bind the seed sequence in vitro,
so … is required for non-homologous end joining, promotes dnTA through interaction with the …

[HTML][HTML] CTC1-STN1 terminates telomerase while STN1-TEN1 enables C-strand synthesis during telomere replication in colon cancer cells

X Feng, SJ Hsu, A Bhattacharjee, Y Wang… - Nature …, 2018 - nature.com
… C-strand by DNA polymerase α-primase (pol α) 12 . This … In vitro studies indicate CST
enhances pol α priming by … is to prevent excess telomerase-mediated repeat addition. Since the …