(Phys.org) —Adventitious changes in cellular DNA can endanger the whole organism, as they may lead to life-threatening illnesses like cancer. Researchers at LMU now report how byproducts of respiration cause mispairing ...

Chemistry - Biochemistry

May 22, 2013 4.5 / 5 (2) 0 |

Researchers in Freiburg identify a protein responsible for the correct arrangement of the chromosome centromeres in the nucleus.

Biology - Cell & Microbiology

Apr 04, 2013 not rated yet 0 |

In a laboratory study pairing food chemistry and cancer biology, scientists at the Johns Hopkins Kimmel Cancer Center tested the potentially harmful effect of foods and flavorings on the DNA of cells. They ...

Chemistry - Biochemistry

Mar 27, 2013 3.6 / 5 (12) 11 |

Attaching chains of the small molecule ADP-ribose to proteins is important for a cell's survival and the repair of DNA damage, making this process a promising target for the development of new cancer drugs. Researchers have ...

Biology - Cell & Microbiology

Mar 12, 2013 5 / 5 (1) 0

In experiments mimicking a natural environment, Duke University researchers have demonstrated that the silver nanoparticles used in many consumer products can have an adverse effect on plants and microorganisms.

Nanotechnology - Bio & Medicine

Feb 27, 2013 4.4 / 5 (7) 4 |

Acidification of UK waters may make industrially-contaminated sediments more toxic over time, say scientists.

Space & Earth - Environment

Feb 12, 2013 5 / 5 (3) 11 |

In this week's issue of Science Signaling (22 January, 2013), Danen and colleagues of the Division of Toxicology of LACDR report novel insights into the question how stem cells decide to commit suicide when their DNA is dam ...

Biology - Cell & Microbiology

Jan 23, 2013 5 / 5 (1) 0

Certain mutated cells keep trying to replicate their DNA—with disastrous results—even after medications rob them of the raw materials to do so, according to new research from USC.

Biology - Cell & Microbiology

Nov 19, 2012 5 / 5 (5) 0 |

Cod was once a staple diet across many European countries, and so important in fact that in the past some countries have even gone to war over this important resource. Their popularity, however, meant that ...

Biology - Ecology

Oct 22, 2012 not rated yet 0

New research at the University of Rochester reveals a new role for lipid roles, as well as a fundamental shift in the concept of histone balance.

Biology - Cell & Microbiology

Oct 18, 2012 4 / 5 (1) 0 |

Cod are among Sweden's most common and most popular edible fish and have been fished hard for many years. One consequence is the risk of serious changes in cod stocks, reveals research from the University of Gothenburg, Sweden.

Biology - Ecology

Sep 26, 2012 not rated yet 0

Transcription is a cellular process by which genetic information from DNA is copied to messenger RNA for protein production. But anticancer drugs and environmental chemicals can sometimes interrupt this flow of genetic information ...

Chemistry - Biochemistry

Aug 21, 2012 5 / 5 (1) 0 |

Scientists worldwide are racing to sequence DNA – decipher genetic blueprints – faster and cheaper than ever by passing strands of the genetic material through molecule-sized pores. Now, University ...

Chemistry - Biochemistry

Jun 18, 2012 5 / 5 (5) 0 |

(PhysOrg.com) -- Scientists at the University of Liverpool have developed a new method to detect proteins associated with longevity, which helps further our understanding into why some animals live longer ...

Biology - Biotechnology

Mar 29, 2012 4.3 / 5 (4) 0

Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...

Nanotechnology - Bio & Medicine

Mar 14, 2012 1 / 5 (1) 0