'Longevity gene' responsible for more efficient DNA repair
Explorers have dreamt for centuries of a Fountain of Youth, with healing waters that rejuvenate the old and extend life indefinitely.
Explorers have dreamt for centuries of a Fountain of Youth, with healing waters that rejuvenate the old and extend life indefinitely.
Biotechnology
Apr 22, 2019
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853
A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...
Plants & Animals
Apr 5, 2019
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197
Plants have developed a robust system that stops their cell cycle in hostile environments such as abnormally hot temperatures. In response, they direct their energy to survival rather than growth. A new study led by scientists ...
Plants & Animals
Apr 5, 2019
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8
DNA damage occurs in all cellular organisms. In human cells, it can be caused by the body's normal metabolic activities, by environmental factors or by chemotherapy. During the crucial phase when cells replicate their genetic ...
Cell & Microbiology
Mar 11, 2019
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6
As David Cortez, Ph.D., tells the story of his research team's latest discovery, he shakes his head in disbelief.
Cell & Microbiology
Mar 1, 2019
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33
Researchers from the University of Copenhagen have identified a specific mechanism that protects cells from natural DNA errors that could permanently damage the genetic code and lead to diseases such as cancer. The study ...
Cell & Microbiology
Feb 28, 2019
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86
DNA damage is occurring in our cells all the time due to external agents, such as exposure to sun, or internal agents, like reactive oxygen species. To detect and repair DNA lesions, cells have evolved DNA damage response. ...
Cell & Microbiology
Feb 27, 2019
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4
Developing efficient solar cells without lead as a major component remains a "formidable scientific challenge," according to a review in the journal Science and Technology of Advanced Materials.
Materials Science
Feb 21, 2019
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14
The DNA replication process in which cells divide to create new cells also triggers repair of DNA damage, researchers from the University of Copenhagen report in a new study. The researchers studied extracts from frog eggs, ...
Cell & Microbiology
Jan 23, 2019
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28
A team led by researchers at Baylor College of Medicine and the University of Texas at Austin has applied an unconventional approach that used bacteria to discover human proteins that can lead to DNA damage and promote cancer. ...
Cell & Microbiology
Jan 10, 2019
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253