News tagged with mitochondrial
Complete Neandertal mitochondrial genome sequenced from 38,000-year-old bone
Biology /
Aug 07, 2008 |
4.7 / 5 (23) |
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A study reported in the August 8th issue of the journal Cell, a Cell Press publication, reveals the complete mitochondrial genome of a 38,000-year-old Neandertal. The findings open a window into the Neandertals' past and he ...
Ancient penguin DNA raises doubts about accuracy of genetic dating techniques
Nov 10, 2009 |
4.7 / 5 (23) |
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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 ...
Large reservoir of mitochondrial DNA mutations identified in humans
Aug 11, 2008 |
4.6 / 5 (20) |
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Researchers at the University of Newcastle, England, and the Virginia Bioinformatics Institute at Virginia Tech in the United States have revealed a large reservoir of mitochondrial DNA mutations present in the general population. ...
Researchers unveil near-complete protein catalog for mitochondria
Biology /
Jul 10, 2008 |
4.9 / 5 (17) |
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Imagine trying to figure out how your car's power train works from just a few of its myriad components: It would be nearly impossible. Scientists have long faced a similar challenge in understanding cells' tiny powerhouses ...
Nearly a century later, new findings support Warburg theory of cancer
Jan 12, 2009 |
4.9 / 5 (12) |
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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.
Scientists reveal connection between cancer and human evolution
Jul 02, 2009 |
5 / 5 (8) |
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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.
New 'molecular clock' aids dating of human migration history
Jun 04, 2009 |
4.3 / 5 (9) |
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Researchers at the University of Leeds have devised a more accurate method of dating ancient human migration - even when no corroborating archaeological evidence exists.
Australia discovered by the 'Southern Route'
Jul 21, 2009 |
3.8 / 5 (9) |
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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 ...
Study confirms 3 Neanderthal sub-groups
Apr 15, 2009 |
4.7 / 5 (6) |
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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 ...
DNA may identify sailor 68 years after Pearl Harbor
Other Sciences / Archaeology & Fossils
May 26, 2009 |
3.8 / 5 (5) |
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The call came unexpectedly a few weeks ago, the sharp ring and a calm voice asking whether she was Starring Winfield's sister.
New research helps explain genetics of Parkinson's disease
Nov 24, 2008 |
4.3 / 5 (4) |
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A new study by Narendra et al. suggests that Parkin, the product of the Parkinson's disease-related gene Park2, prompts neuronal survival by clearing the cell of its damaged mitochondria.
Mitochondria could be a target for therapeutic strategy for Alzheimer's disease patients
Nov 05, 2008 |
5 / 5 (3) |
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A study in the Sept. 21 on-line edition of Nature Medicine describes the function and interaction of a critical molecule involved in cell death in Alzheimer's disease patients. These new findings reveal that blocking this m ...
'Great speciators' explained: It's intrinsic
Biology /
Jan 26, 2009 |
4.3 / 5 (3) |
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New molecular research shows that birds within the family Zosteropidae—named white eyes for the feathers that frame their eyes—form new species at a faster rate than any other known bird. Remarkably, unlike ...
Lice genomes: Pieces of a new puzzle
Mar 30, 2009 |
4.3 / 5 (3) |
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Parents and school nurses take note. Lice are a familiar nuisance around the world and vectors of serious diseases, such as epidemic typhus, in developing regions. New research indicates that lice may actually ...
A Molecular Identity Crisis - a 'Ribozyme Without RNA'
Biology /
Nov 03, 2008 |
5 / 5 (2) |
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(PhysOrg.com) -- Not all enzymes that are assumed to require an RNA component in order to function do actually contain RNA. This surprising discovery was made during a project supported by the Austrian Science ...
