News tagged with oxygen species

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Niacin, the fountain of youth

The vitamin niacin has a life-prolonging effect, as Michael Ristow has demonstrated in roundworms. From his study, the ETH-Zurich professor also concludes that so-called reactive oxygen species are healthy, ...

Sep 30, 2013
4.5 / 5 (31) 0 | with audio podcast

Get touchy feely with plants

Forget talking to plants to help them grow, gently rubbing them with your fingers can make them less susceptible to disease, a paper in the open access journal BMC Plant Biology reveals.

Sep 16, 2013
5 / 5 (1) 0

'Cowcatcher' enzyme fixes single-strand DNA

Every time one of your cells divides, it exposes its most essential component to great danger: its genome, the sum total of all its genetic information, embodied in the double-stranded helix of DNA. Prior to cell division, ...

Jul 29, 2013
5 / 5 (4) 1 | with audio podcast

A designer enzyme for alternative energy

(Phys.org) —Imagine pulling energy out of thin air. Yi Lu and his colleagues are on that path, in a quest to find alternatives to fossil fuels. The team has designed an enzyme that can harvest the energy ...

Jun 21, 2013
4.5 / 5 (10) 7 | with audio podcast

DNA damage: The dark side of respiration

(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 ...

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