News tagged with mitochondrial
Mother of all humans lived 200,000 years ago
The most robust statistical examination to date of our species' genetic links to "mitochondrial Eve" -- the maternal ancestor of all living humans -- confirms that she lived about 200,000 years ago. The Rice University study ...
Aug 17, 2010 |
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Ancient penguin DNA raises doubts about accuracy of genetic dating techniques
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 ...
Nov 10, 2009 |
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Research breakthrough on the question of life expectancy
Why do we grow old and what can we do to stop it? This is the question asked by many, but it appears that we are now closer to an answer thanks to new research published by Monash University researcher Dr ...
Aug 05, 2010 |
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Nearly a century later, new findings support Warburg theory of cancer
German scientist Otto H. Warburg's theory on the origin of cancer earned him the Nobel Prize in 1931, but the biochemical basis for his theory remained elusive.
Medicine & Health / Medical research
Jan 12, 2009 |
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Researchers discover protein that shuttles RNA into cell mitochondria
Researchers at UCLA's Jonsson Comprehensive Cancer Center and the departments of Chemistry and Biochemistry and Pathology and Laboratory Medicine have uncovered a role for an essential cell protein in shuttling ...
Medicine & Health / Medical research
Aug 06, 2010 |
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Mitochondrial genome analysis revises view of the initial peopling of North America
The initial peopling of North America from Asia occurred approximately 15,000-18,000 years ago, however estimations of the genetic diversity of the first settlers have remained inaccurate. In a report published online today ...
Jun 28, 2010 |
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Scientists reveal connection between cancer and human evolution
Researchers at Ben-Gurion University of the Negev (BGU) have discovered that gene mutations that once helped humans survive may increase the possibility for diseases, including cancer.
Jul 02, 2009 |
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Chromosome's Guardians Susceptible to UV Radiation, Scientists Find
(PhysOrg.com) -- The molecular caps at the ends of chromosomes that protect humans against cancer and premature cellular aging show a surprising inability to protect themselves against ultraviolet radiation, ...
Apr 30, 2010 |
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New 'molecular clock' aids dating of human migration history
Researchers at the University of Leeds have devised a more accurate method of dating ancient human migration - even when no corroborating archaeological evidence exists.
Jun 04, 2009 |
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Australia discovered by the 'Southern Route'
Genetic research indicates that Australian Aborigines initially arrived via south Asia. Researchers writing in the open access journal BMC Evolutionary Biology have found telltale mutations in modern-day Indian populations that a ...
Jul 21, 2009 |
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What, or who, killed the last mammoths?
The last known population of woolly mammoths, roaming a remote Arctic island long after humans invented writing, were wiped out quickly, reports a study released Wednesday.
Mar 31, 2010 |
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Endangered horse has ancient origins and high genetic diversity, new study finds
An endangered species of horse -- known as Przewalski's horse -- is much more distantly related to the domestic horse than researchers had previously hypothesized, reports a team of investigators led by Kateryna ...
Sep 07, 2011 |
4.9 / 5 (7) |
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Major breakthrough offers hope of preventing mitochondrial diseases
(PhysOrg.com) -- Scientists at Newcastle University have developed a pioneering technique which enables them for the first time to successfully transfer DNA between two human eggs. The technique has the potential to help ...
Medicine & Health / Medical research
Apr 14, 2010 |
4.8 / 5 (6) |
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Study confirms 3 Neanderthal sub-groups
The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals ...
Apr 15, 2009 |
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Anti-aging supplements may be best taken as mixtures, not too late in life, researchers find
(PhysOrg.com) -- Anti-aging supplements made up of mixtures might be better than single compounds at preventing decline in physical function, according to researchers at the University of Florida's Institute on Aging. In ...
Medicine & Health / Medical research
May 18, 2010 |
4.7 / 5 (6) |
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