Shaping human telomeres: from shelterin and CST complexes to telomeric chromatin organization

CJ Lim, TR Cech - Nature Reviews Molecular Cell Biology, 2021 - nature.com
The regulation of telomere length in mammals is crucial for chromosome end-capping and
thus for maintaining genome stability and cellular lifespan. This process requires …

G-quadruplexes at telomeres: friend or foe?

TM Bryan - Molecules, 2020 - mdpi.com
Telomeres are DNA-protein complexes that cap and protect the ends of linear
chromosomes. In almost all species, telomeric DNA has a G/C strand bias, and the short …

Structure of human telomerase holoenzyme with bound telomeric DNA

GE Ghanim, AJ Fountain, AMM Van Roon, R Rangan… - Nature, 2021 - nature.com
Telomerase adds telomeric repeats at chromosome ends to compensate for the telomere
loss that is caused by incomplete genome end replication. In humans, telomerase is …

Orchestrating nucleic acid–protein interactions at chromosome ends: telomerase mechanisms come into focus

NF Lue, C Autexier - Nature structural & molecular biology, 2023 - nature.com
Telomerase is a special reverse transcriptase ribonucleoprotein dedicated to the synthesis
of telomere repeats that protect chromosome ends. Among reverse transcriptases …

Electromagnetic forces and torques: From dielectrophoresis to optical tweezers

M Riccardi, OJF Martin - Chemical Reviews, 2023 - ACS Publications
Electromagnetic forces and torques enable many key technologies, including optical
tweezers or dielectrophoresis. Interestingly, both techniques rely on the same physical …

Structures of telomerase at several steps of telomere repeat synthesis

Y He, Y Wang, B Liu, C Helmling, L Sušac, R Cheng… - Nature, 2021 - nature.com
Telomerase is unique among the reverse transcriptases in containing a noncoding RNA
(known as telomerase RNA (TER)) that includes a short template that is used for the …

Advances and challenges in identifying and characterizing G-quadruplex–protein interactions

Y Dai, X Teng, Q Zhang, H Hou, J Li - Trends in Biochemical Sciences, 2023 - cell.com
G-quadruplexes (G4s) are peculiar nucleic acid secondary structures formed by DNA or
RNA and are considered as fundamental features of the genome. Many proteins can …

Telomerase structural biology comes of age

Y He, J Feigon - Current opinion in structural biology, 2022 - Elsevier
Telomerase is an RNA–protein complex comprising telomerase reverse transcriptase, a non-
coding telomerase RNA, and proteins involved in biogenesis, assembly, localization, or …

A mechanism for the extension and unfolding of parallel telomeric G-quadruplexes by human telomerase at single-molecule resolution

BP Paudel, AL Moye, H Abou Assi, R El-Khoury… - Elife, 2020 - elifesciences.org
Telomeric G-quadruplexes (G4) were long believed to form a protective structure at
telomeres, preventing their extension by the ribonucleoprotein telomerase. Contrary to this …

Mechanisms of telomerase inhibition by oxidized and therapeutic dNTPs

SL Sanford, GA Welfer, BD Freudenthal… - Nature …, 2020 - nature.com
Telomerase is a specialized reverse transcriptase that adds GGTTAG repeats to
chromosome ends and is upregulated in most human cancers to enable limitless …