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PETBioNewsGlossaryTelomere

BioNews

Telomere

Protective DNA-protein structure at the ends of linear chromosomes In most tissues, telomeres shorten every time a cell divides and copies its genetic information.

52 articles
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
8 April 2022 • 3 minutes read

Entire human genome sequenced

by Dr Ara Schorscher-Petcu

Nearly two decades after the initial release of the human genome sequence, scientists have published the first gap-less, complete sequence...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
30 July 2021 • 2 minutes read

Noncoding DNA sequence may play a role in ageing and cancer

by Devika Sooklall

A sequence of repetitive noncoding DNA that varies considerably in length between humans, has been shown to play a role in ageing and cancer...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
2 July 2021 • 2 minutes read

Genome-wide evidence of the importance of unusual DNA structures

by Dr George Janes

Quadruple-stranded DNA structures appear to be evolutionarily conserved in some regions of the genome, indicating they serve an important purpose...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
Reviews
7 May 2021 • 3 minutes read

Book Review: Rebel Cell — Cancer, evolution and the science of life

by Dr Yvonne Collins

Cancer has plagued humans throughout history. Although it's not a uniquely human affliction, it can be found lurking in virtually every living creature going as far back as the dinosaurs...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
27 November 2020 • 2 minutes read

Stem cells protect chromosome ends to prevent ageing

by Emma Lamb and 1 others

Chromosome ends are protected differently in stem cells compared to adult cells...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
29 March 2019 • 2 minutes read

Low oxygen in womb may harm fertility of future daughters

by Jonathan Bestwick

Exposure to low levels of oxygen in the womb may cause fertility problems for female offspring later in life...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
27 April 2018 • 2 minutes read

New DNA structure found in human cells

by Dr Rachel Huddart

A 'twisted knot' of DNA, known as an i-motif, has been found in living cells for the first time, raising questions about its function...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
16 March 2018 • 2 minutes read

Space alters gene expression suggests NASA twins study

by Kathryn Ashe

Preliminary results from a NASA study on a pair of identical twins suggests that space travel could have long-lasting effects on the human body...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
Reviews
13 February 2018 • 5 minutes read

Book Review: The Telomere Effect - A Revolutionary Approach to Living Younger, Healthier, Longer

by Dr Jess Buxton

We are already into the second month of 2018, so if you made New Year's resolutions then the chances are that, like me, you've long ditched them — especially any regarding your health. It seems that changing old habits is hard, even those that we know w

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
27 November 2017 • 2 minutes read

Gene conferring long-life identified in US Amish community

by Charlott Repschläger

A rare genetic mutation leading to longer and healthier lives has been discovered in the US Amish community...

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