LARP3, LARP7, and MePCE are Involved in the Early Stage of Human Telomerase RNA Biogenesis

CK Tseng, TL Kao, YH Chen, YC Huang, P Baumann - 2023 - researchsquare.com
Human telomerase assembly is a highly dynamic process. Using biochemical approaches,
we found that LARP3 and LARP7/MePCE are involved in the early stage and that their …

LARP3, LARP7, and MePCE are involved in the early stage of human telomerase RNA biogenesis

TL Kao, YC Huang, YH Chen, P Baumann… - Nature …, 2024 - nature.com
Human telomerase assembly is a highly dynamic process. Using biochemical approaches,
we find that LARP3 and LARP7/MePCE are involved in the early stage of human telomerase …

LARP7 family proteins have conserved function in telomerase assembly

LC Collopy, TL Ware, T Goncalves… - Nature …, 2018 - nature.com
Understanding the intricacies of telomerase regulation is crucial due to the potential health
benefits of modifying its activity. Telomerase is composed of an RNA component and …

Human RTEL1 stabilizes long G-overhangs allowing telomerase-dependent over-extension

RM Porreca, G Glousker, A Awad… - Nucleic Acids …, 2018 - academic.oup.com
Telomere maintenance protects the cell against genome instability and senescence.
Accelerated telomere attrition is a characteristic of premature aging syndromes including …

Structural and functional characterization of human regulator of telomere elongation helicase 1 (RTEL1)

N Kumar - 2024 - etd.iisc.ac.in
RTEL1 is an ATP-dependent DNA helicase that translocates on the single-stranded DNA
(ssDNA) from 5′ to 3′ direction. It is an iron-sulfur (Fe-S) cluster and DEAH motif …

Full length RTEL1 is required for the elongation of the single-stranded telomeric overhang by telomerase

A Awad, G Glousker, N Lamm, S Tawil… - Nucleic Acids …, 2020 - academic.oup.com
Telomeres cap the ends of eukaryotic chromosomes and distinguish them from broken DNA
ends to suppress DNA damage response, cell cycle arrest and genomic instability …

Regulation of human telomerase RNA biogenesis and localization

J Qin, C Autexier - RNA biology, 2021 - Taylor & Francis
Maintenance of telomeres is essential for genome integrity and replicative capacity in
eukaryotic cells. Telomerase, the ribonucleoprotein complex that catalyses telomere …

The H/ACA complex disrupts triplex in hTR precursor to permit processing by RRP6 and PARN

CK Tseng, HF Wang, MR Schroeder… - Nature …, 2018 - nature.com
Human telomerase RNA (hTR) is transcribed as a precursor that is then posttranscriptionally
modified and processed. A fraction of the transcripts is oligoadenylated by TRAMP and …

Telomerase biogenesis: The long road before getting to the end

F Gallardo, P Chartrand - RNA biology, 2008 - Taylor & Francis
Telomere maintenance in eukaryotes is linked to cellular proliferation capacity. The
telomerase holoenzyme, which maintains telomere length, is a central actor in this process …

How structural features define biogenesis and function of human telomerase RNA primary transcript

M Rubtsova, O Dontsova - Biomedicines, 2022 - mdpi.com
Telomerase RNA has been uncovered as a component of the telomerase enzyme, which
acts as a reverse transcriptase and maintains the length of telomeres in proliferated …