News tagged with mitochondrial
Ancient penguin DNA raises doubts about accuracy of genetic dating techniques
Nov 10, 2009 |
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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 ...
New study reveals first ever method to genetically identify all 8 tuna species
Oct 26, 2009 |
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A new paper published October 27 in PLoS ONE, the online, open-access scientific journal, unveils for the first time a method to accurately distinguish between all eight tuna species from any kind of processed tissue using ...
Quick and easy diagnosis for mitochondrial disorders
Oct 22, 2009 |
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Soon you could be genetically screened for mitochondrial disorders quickly and comprehensively. Research published in BioMed Central's open access journal, Genome Medicine, outlines an innovative clinical diagnostic test f ...
'Anti-Atkins' low protein diet extends lifespan in flies
Oct 01, 2009 |
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Flies fed an "anti-Atkins" low protein diet live longer because their mitochondria function better. The research, done at the Buck Institute for Age Research, shows that the molecular mechanisms responsible for the lifespan ...
How mitochondrial gene defects impair respiration, other major life functions
Sep 24, 2009 |
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Researchers are delving into abnormal gene function in mitochondria, structures within cells that power our lives. Mitochondria are the place where energy is generated from the most basic molecules of food. Because this function ...
Barcoding endangered sea turtles
Sep 14, 2009 |
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Conservation geneticists who study sea turtles have a new tool to help track this highly migratory and endangered group of marine animals: DNA barcodes. DNA barcodes are short genetic sequences that efficiently ...
Gene mutation responsible for premature skin aging disease identified
Aug 31, 2009 |
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In the new print issue of Nature Genetics, scientists in Singapore and Germany report that mutations in the PYCR1 gene cause the rare genetic condition that results in premature skin aging and that is known as "wrinkly skin s ...
Stress signals link pre-existing sickness with susceptibility to bacterial infection
Jul 28, 2009 |
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Mitochondrial diseases disrupt the power generating machinery within cells and increase a person's susceptibility to bacterial infection, particularly in the lungs or respiratory tract. A new study published in Disease Mo ...
Scientists discover gene mutation responsible for hereditary neuroendocrine tumor
Jul 23, 2009 |
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University of Utah researchers and their colleagues have identified the gene that is mutated in a hereditary form of a rare neuroendocrine tumor called paraganglioma (PGL). The gene, called hSDH5, is required for activation ...
Australia discovered by the 'Southern Route'
Jul 21, 2009 |
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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 ...
Scientists reveal connection between cancer and human evolution
Jul 02, 2009 |
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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.
STAT3 protein found to play a key role in cancer
Jun 25, 2009 |
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A protein called STAT3 has been found to play a fundamental role in converting normal cells to cancerous cells, according to a new study led by David E. Levy, Ph.D., professor of pathology and microbiology at NYU Langone ...
New 'molecular clock' aids dating of human migration history
Jun 04, 2009 |
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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.
Neurological disorder in golden retriever dogs caused by a mutation in mitochondrial DNA
May 29, 2009 |
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Sensory ataxic neuropathy (SAN) is a recently identified neurological disorder in Golden Retriever dogs with onset during puppyhood. Affected dogs move in an uncoordinated manner and have sensory deficits. Researchers from ...
DNA may identify sailor 68 years after Pearl Harbor
Other Sciences / Archaeology & Fossils
May 26, 2009 |
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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.
