News tagged with dna changes

Nanofluidics sorts DNA for cancer research

(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Predicting the microbial 'weather'

New computer models are letting scientists forecast changes in the population of microbes in the English Channel up to a week in advance.

Biology / Cell & Microbiology

created Apr 17, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Athletic frogs have faster-changing genomes

Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.

Biology / Evolution

created Apr 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Evolution in action: Genetic study may answer why we have plenty of fish in the sea

(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the ...

Biology / Biotechnology

created Apr 04, 2012 | popularity 4.5 / 5 (2) | comments 4 | with audio podcast

Insect DNA offers tiny clues about animals' changing habitats

The long-term impact of climate change on natural communities of wild animals could be better understood thanks to a new study.

Biology / Ecology

created Mar 08, 2012 | popularity 1 / 5 (1) | comments 0

The future of plant science -- a technology perspective

Plant science is key to addressing the major challenges facing humanity in the 21st Century, according to Carnegie's David Ehrhardt and Wolf Frommer. In a Perspective published in The Plant Cell, the two researchers argue ...

Biology / Biotechnology

created Mar 02, 2012 | popularity not rated yet | comments 0

Protecting living fossil trees

Scientists are working to protect living fossil trees in Fiji from the impact of climate change with cutting-edge DNA sequencing technology.

Biology / Biotechnology

created Mar 02, 2012 | popularity 2 / 5 (2) | comments 0

Ancient DNA holds clues to climate change adaptation

(PhysOrg.com) -- Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental change.

Biology / Plants & Animals

created Jan 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Turtles' mating habits protect against effects of climate change

The mating habits of marine turtle may help to protect them against the effects of climate change, according to new research led by the University of Exeter. Published today in the journal Proceedings of th ...

Biology / Plants & Animals

created Jan 24, 2012 | popularity 4.3 / 5 (3) | comments 5 | with audio podcast

Good parents are predictable -- at least when it comes to corn

In order to breed new varieties of corn with a higher yield faster than ever before, researchers at the University of Hohenheim in Stuttgart, Germany, and other institutions are relying on a trick: early selection of the ...

Biology / Biotechnology

created Jan 15, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Study provides new insights into an ancient mechanism of mammalian evolution

A team of geneticists and computational biologists in the UK today reveal how an ancient mechanism is involved in gene control and continues to drive genome evolution. The new study is published in the journal ...

Biology / Biotechnology

created Jan 12, 2012 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

When inflexibility is counterproductive: Mechanism of UV-induced DNA Dewar lesion revealed

Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...

Chemistry / Biochemistry

created Nov 28, 2011 | popularity not rated yet | comments 0

Jumping gene enabled key step in corn domestication

Corn split off from its closest relative teosinte, a wild Mexican grass, about 10,000 years ago thanks to the breeding efforts of early Mexican farmers. Today it's hard to tell that the two plants were ever close kin: Corn ...

Biology / Biotechnology

created Sep 25, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Bowhead whales using the Northwest Passage

(PhysOrg.com) -- According to a new study published in Biology Letters, the climate changes and melting of ice in the Northwest Passage are leading to the mingling of two bowhead whale populations that have b ...

Biology / Plants & Animals

created Sep 22, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast report

Groundbreaking DNA tests could trap deer poachers

Poachers could be tracked down through tests for human DNA on deer remains, according to research led by scientists at the University of Strathclyde.

Biology / Biotechnology

created Sep 09, 2011 | popularity 5 / 5 (1) | comments 0