News tagged with damage dna
Protecting the future: How plant stem cells guard against genetic damage
Nov 16, 2009 |
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Scientists at the John Innes Centre in Norwich, UK, have shown how plants can protect themselves against genetic damage caused by environmental stresses. The growing tips of plant roots and shoots have an ...
Two proteins act as molecular tailors in DNA repair
Nov 13, 2009 |
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(PhysOrg.com) -- On average, our cells encounter a very lethal form of DNA damage 10 times a day. Lucky for us, we have the capacity to repair each and every one of them. New research now reveals exactly how two well-known ...
Raising the alarm when DNA goes bad (w/ Video)
Aug 13, 2009 |
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Scientists have known for a long time that when DNA is damaged, a key enzyme sets off a cellular "alarm bell" to alert the cell to start the repair process, but until recently little was known about how the cell detects and ...
Researchers uncover process involved in DNA repair
Jun 29, 2009 |
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(PhysOrg.com) -- Every day people are exposed to chemical and physical agents that damage DNA. If it isn't repaired properly, this damage can lead to mutations that in some circumstances can lead to the development ...
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Researchers illuminate mechanisms that regulate DNA damage control and replication
Biology /
Jan 05, 2009 |
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Scientists at Burnham Institute for Medical Research (Burnham) have demonstrated important new roles for the protein kinase complex Cdc7/Dbf4 or Cdc7/Drf1 (Ddk) in monitoring damage control during DNA replication and reinitiating ...
New step in DNA damage response in neurons discovered
Biology /
Jan 18, 2009 |
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Researchers have identified a biochemical switch required for nerve cells to respond to DNA damage. The finding, scheduled for advance online publication in Nature Cell Biology, illuminates a connection between proteins involv ...
Arsenic biomethylation required for oxidative DNA damage
Nov 23, 2009 |
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Biomethylation of arsenic compounds appears to cause oxidative DNA damage and to increase their carcinogenicity, according to a new study published online November 23 in the Journal of the National Cancer Institute.
DNA repair mechanisms relocate in response to stress
Mar 26, 2009 |
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Like doctors making house calls, some DNA repair enzymes can relocate to the part of the cell that needs their help, a collaborative team of scientists at Emory University School of Medicine has found.
Replication at DNA damage sites highlights Fanconi anemia and breast cancer proteins
Sep 10, 2009 |
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While Fanconi anemia (FA) is a rare and dangerous disease, new laboratory research at The University of Texas M. D. Anderson Cancer Center shows it may lead researchers toward clues in more common diseases, including highly ...
Daily sex helps to reduce sperm DNA damage and improve fertility
Jun 30, 2009 |
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Daily sex (or ejaculating daily) for seven days improves men’s sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society ...
DNA differences may influence risk of Hodgkin disease
Mar 09, 2009 |
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A new analysis has found that certain variations in genes that repair DNA can affect a person's risk of developing Hodgkin disease. Published in the April 1, 2009 issue of CANCER, a peer-reviewed journal of the American Cancer ...
DNA-damaged cells communicate with neighbors to let them know they're in trouble
Jul 13, 2009 |
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When cells experiencing DNA damage fail to repair themselves, they send a signal to their neighbors letting them know they're in trouble. The discovery, which shows that a process dubbed the DDR (DNA Damage Response) also ...
Surprising new insights into the repair strategies of DNA
Jul 15, 2009 |
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(Physorg.com) -- A microscopic single-celled organism, adapted to survive in some of the harshest environments on earth, could help scientists gain a better understanding of how cancer cells behave.
Stress makes your hair go gray
Jun 11, 2009 |
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Those pesky graying hairs that tend to crop up with age really are signs of stress, reveals a new report in the June 12 issue of Cell.
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