News tagged with mitochondrial


Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

Biology / Evolution

created Nov 10, 2009 | popularity 4.7 / 5 (23) | comments 15

Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...





Search results for mitochondrial


Scientists trace shark fins to their geographic origin for first time using DNA tools

Scientists trace shark fins to their geographic origin for first time using DNA tools

Biology / Ecology

created 12 hours ago | popularity 4 / 5 (1) | comments 0

Millions of shark fins are sold at market each year to satisfy the demand for shark fin soup, a Chinese delicacy, but it has been impossible to pinpoint which sharks from which regions are most threatened ...


New data emerges on liver transplant survival rates

Medicine & Health / Diseases

created Nov 25, 2009 | popularity not rated yet | comments 0

Researchers at the University of Miami School of Medicine compared the outcomes of cirrhotic patients who underwent liver transplants for nonalcoholic steatohepatitis (NASH) versus alcoholic liver disease (ETOH) and found ...


Autism treatment: Risky alternative therapies have little basis in science

Medicine & Health / Diseases

created Nov 24, 2009 | popularity 3 / 5 (2) | comments 0

James Coman's son has an unusual skill. The 7-year-old, his father says, can swallow six pills at once. Diagnosed with autism as a toddler, the Chicago boy had been placed on an intense regimen of supplements and medications ...


Gene increases effectiveness of drugs used to fight cancer and allows reduction in dosage

Gene increases effectiveness of drugs used to fight cancer and allows reduction in dosage

Medicine & Health / Cancer

created Nov 24, 2009 | popularity 5 / 5 (1) | comments 0

Researchers at the University of Granada, Spain, have found a suicide gene, called 'gene E', which leads to the death of tumour cells derived from breast, lung and colon cancer, and prevents their growth. ...


Unknowlingly consuming endangered tuna

Unknowlingly consuming endangered tuna

Biology / Ecology

created Nov 19, 2009 | popularity 5 / 5 (3) | comments 2

While most of us would never willingly consume a highly endangered species, doing so might be as easy as plucking sushi from a bento box. New genetic detective work from the Sackler Institute for Comparative ...


Research reveals lipids' unexpected role in triggering death of brain cells

Medicine & Health / Research

created Nov 12, 2009 | popularity 4 / 5 (1) | comments 0

The lipid that accumulates in brain cells of individuals with an inherited enzyme disorder also drives the cell death that is a hallmark of the disease, according to new research led by St. Jude Children's Research Hospital ...


Researchers Study Effect of Cinnamon Compounds on Brain Cells

Researchers Study Effect of Cinnamon Compounds on Brain Cells

Medicine & Health / Research

created Nov 10, 2009 | popularity 1 / 5 (1) | comments 0

(PhysOrg.com) -- Cell-culture studies looking into how compounds in cinnamon extract affect brain cells are being conducted by Agricultural Research Service (ARS) scientists. The researchers have reported ...


The bizarre lives of bone-eating worms

Biology / Plants & Animals

created Nov 09, 2009 | popularity 4.5 / 5 (2) | comments 0

The females of the recently discovered Osedax marine worms feast on submerged bones via a complex relationship with symbiotic bacteria, and they are turning out to be far more diverse and widespread than scientists expected. ...


Tags reveal white sharks have neighborhoods in the north Pacific, say Stanford researchers

Tags reveal white sharks have neighborhoods in the north Pacific

Biology / Plants & Animals

created Nov 03, 2009 | popularity 4.8 / 5 (5) | comments 1

The white shark may be the ultimate loner of the ocean, cruising thousands of miles in a solitary trek, but a team of researchers has discovered that the sharks have maintained such a consistent pattern of ...



List of search results for mitochondrial