A telomere is a region of repetitive nucleotide sequences associated with specialized proteins located at the ends of linear eukaryotic chromosomes to protect the chromosomes from progressive degradation and ensure its integrity. ...
Cell & Microbiology
Nov 26, 2021
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119
In a study published in Nucleic Acids Research, the team of cancer researcher Francis Rodier, an Université de Montréal professor, shows for the first time that cellular senescence, which occurs when aging cells stop dividing, ...
Cell & Microbiology
Nov 9, 2021
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218
Mother fence lizards that experience stress during pregnancy give birth to male offspring with shortened telomeres, or bits of non-coding DNA that cap the ends of chromosomes, according to a Penn State-led study. Shorter ...
Plants & Animals
May 14, 2021
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15
Telomeres are large nucleoproteins structures that cap the ends of chromosomes in eukaryotic cells. When a cell divides, a small portion of the telomere is lost due to the inherently incomplete process of genome replication. ...
Biotechnology
Apr 22, 2021
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197
Telomeres are specialized structures at the end of chromosomes which protect our DNA and ensure healthy division of cells. According to a new study from researchers at the Francis Crick Institute published in Nature, the ...
Cell & Microbiology
Nov 25, 2020
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97
The historic NASA Twins Study investigated identical twin astronauts Scott and Mark Kelly and provided new information on the health effects of spending time in space.
Space Exploration
Nov 25, 2020
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65
A new synthetic probe offers a safe and straightforward approach for visualizing chromosome tips in living cells. The probe was designed by scientists at the Institute for Integrated Cell-Material Science (iCeMS) and colleagues ...
Biochemistry
Nov 19, 2020
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67
The environment provided by the mother during embryo development has major consequences on later-life health and lifespan. This can arise through effects on cellular aging which is often estimated with the length of telomeres. ...
Molecular & Computational biology
Nov 11, 2020
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181
Molecules that accumulate at the tip of chromosomes are known to play a key role in preventing damage to our DNA. Now, researchers at EPFL have unraveled how these molecules home in on specific sections of chromosomes—a ...
Cell & Microbiology
Oct 14, 2020
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252
The plastic tips attached to the ends of shoelaces keep them from fraying. Telomeres are repetitive DNA (deoxyribonucleic acid) sequences that serve a similar function at the end of chromosomes, protecting its accompanying ...
Molecular & Computational biology
Aug 25, 2020
0
66
