
Telomerase - Wikipedia
Telomerase catalytic subunit TERT of Tribolium castaneum (Red flour beetle), bound to putative RNA template and telomeric DNA (PDB 3KYL) A conceptual diagram showing the protein component of …
Telomerase | Description, Function, & Facts | Britannica
Nov 21, 2025 · Telomerase is an enzyme that influences cell life span by adding organic compounds known as nucleotides to telomeres, segments of DNA located at the ends of chromosomes.
Biochemistry, Telomere And Telomerase - StatPearls - NCBI Bookshelf
Dec 11, 2022 · Telomeres are protein structures located at the ends of each eukaryotic DNA chromosomal arm. These chromosomal caps are 1 of the most important structures that preserve the …
Telomeres and Telomerase: Structure and Functions - Microbe Notes
Mar 30, 2025 · Telomeres are the structure of nucleoproteins that are present at the end of chromosomes in eukaryotes. These telomeres are similar to the cap that preserves the strength of …
Telomerase - an overview | ScienceDirect Topics
Telomerase is generally active in the germ line and in embryonic tissue, but is also variably active in different organisms, in different tissues throughout the body (being most active in those with high cell …
Definition of telomerase - NCI Dictionary of Cancer Terms
An enzyme in cells that helps keep them alive by adding DNA to telomeres (the ends of chromosomes). Each time a cell divides, the telomeres lose a small amount of DNA and become shorter.
Structural organization and function of telomeric chromatin
Jan 7, 2026 · This Review presents an updated view on telomeric chromatin as a dynamic structure with a specialized histone organization and discusses the mechanisms of its regulation by cis-acting …
Can Telomerase Reverse Aging? The Science Explained
Jan 8, 2026 · Can telomerase reverse aging? Understand the science of telomere maintenance, cellular limits, and the critical balance between longevity and cancer risk.
Telomerase: Definition, Function, Structure and Cancer - Biology …
Jul 25, 2017 · Telomerase is an enzyme found inside our cells, which may be related to the aging process. It adds short, repetitive “caps” to our DNA strands.
Composition and Function of Telomerase—A Polymerase Associated …
The canonical DNA polymerases involved in the replication of the genome are unable to fully replicate the physical ends of linear chromosomes, called telomeres. Chromosomal termini thus become …