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Keyword: genetics

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  • Genesis on the Ancient Kingdom Builders

    05/18/2013 10:10:23 AM PDT · by Jandy on Genesis · 4 replies
    Just Genesis ^ | May 18, 2013 | Alice C. Linsley
    Nahor the Elder was Abraham's grandfather. Abraham's mother and father had the same father but different mothers, as shown in the diagram below. Nahor was the royal title of Abraham's older brother. He ruled in the territory of his maternal grandfather and of his father Terah in the region of Aram Na-haraim, between the western Tigris and the Euphrates. This territory was established by Nimrod, one of Nahor's ancestors (Gen. 10:8-12) Na-Haraim means "dedicated to Horus." This was Horite territory. Nahor the Elder was a descendant of Nimrod, the great Kushite kingdom builder. Erech (Uruk), Accad and Calneh were shrine...
  • Minoan civilization was made in Europe

    05/14/2013 12:29:08 PM PDT · by Renfield · 10 replies
    Nature.com ^ | 5-13-2013 | Ewen Callaway
    When the British archaeologist Sir Arthur Evans discovered the 4,000-year-old Palace of Minos on Crete in 1900, he saw the vestiges of a long-lost civilization whose artefacts set it apart from later Bronze-Age Greeks. The Minoans, as Evans named them, were refugees from Northern Egypt who had been expelled by invaders from the South about 5,000 years ago, he claimed. Modern archaeologists have questioned that version of events, and now ancient DNA recovered from Cretan caves suggests that the Minoan civilization emerged from the early farmers who settled the island thousands of years earlier....
  • Genes show one big European family

    05/09/2013 4:00:33 AM PDT · by Renfield · 23 replies
    PhysOrg ^ | 5-07-2013
    From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent. The study, co-authored by Graham Coop, a professor of evolution and ecology at the University of California, Davis, will be published May 7 in the journal PLoS Biology. "What's remarkable about this is how closely everyone is related to each other. On a genealogical level, everyone in Europe traces back to nearly the same set of ancestors only a thousand years ago," Coop said. "This...
  • Gene test may help guide prostate cancer treatment

    05/07/2013 11:16:02 PM PDT · by neverdem · 5 replies
    Associated Press ^ | May 8, 2013 | MARILYNN MARCHIONE
    A new genetic test to gauge the aggressiveness of prostate cancer may help tens of thousands of men each year decide whether they need to treat their cancer right away or can safely monitor it. The new test, which goes on sale Wednesday, joins another one that recently came on the market. Both analyze multiple genes in a biopsy sample and give a score for aggressiveness, similar to tests used now for certain breast and colon cancers. Doctors say tests like these have the potential to curb a major problem in cancer care — overtreatment. Prostate tumors usually grow so...
  • European Union urged to embrace genetically engineered crops

    04/27/2013 5:56:47 AM PDT · by haffast · 4 replies
    UPI ^ | April 25, 2013 at 7:26 PM | UPI
    BRUSSELS, April 25 (UPI) -- The European Union will be unable to meet its agricultural policy goals unless it embraces genetically engineered crops, Spanish researchers said. Paul Christou of the University of Lleida-Agrotecnio Center in Spain and colleagues said studies suggest the EU's stand on genetically-modified crops is undermining its competitiveness in the agricultural sector and that of its humanitarian activities in the developing world. "Many aspects of the EU agricultural policy, including those concerning GMOs, are internally inconsistent and actively obstruct what the policy sets out to achieve," the scientists wrote in the journal Trends in Plant Science,. A...
  • Engineered extremophile brews bulk chemical

    04/11/2013 11:40:28 PM PDT · by neverdem
    Chemistry World ^ | 10 April 2013 | Akshat Rathi
    Volcanic vents off the coast of Italy are home to microbes that can produce a bulk industrial chemical © Science Photo LibraryUS researchers have engineered a heat-loving microbe to produce a bulk chemical from carbon dioxide and hydrogen. Their results may provide a viable industrial alternative to blue-green algae, which have a much lower efficiency for such chemical transformations.Microbes are principally used by industry to turn larger organic compounds into smaller, more useful ones – fermenting corn sugars to produce ethanol, for instance. More desirable, though, is direct conversion of carbon dioxide into organic compounds.Current methods that use blue-green algae...
  • Newly discovered blood protein solves 60-year-old riddle

    04/10/2013 5:21:22 PM PDT · by neverdem · 8 replies
    Biology News Net ^ | April 8, 2013 | NA
    Researchers at Lund University in Sweden have discovered a new protein that controls the presence of the Vel blood group antigen on our red blood cells. The discovery makes it possible to use simple DNA testing to find blood donors for patients who lack the Vel antigen and need a blood transfusion. Because there has not previously been any simple way to find these rare donors, there is a global shortage of Vel-negative blood. The largest known accumulation of this type of blood donor is found in the Swedish county of Västerbotten, which exports Vel-negative blood all over the world....
  • Genetics: A gene of rare effect

    04/09/2013 7:10:10 PM PDT · by neverdem · 13 replies
    Nature News ^ | 09 April 2013 | Stephen S. Hall
    A mutation that gives people rock-bottom cholesterol levels has led geneticists to what could be the next blockbuster heart drug. When Sharlayne Tracy showed up at the clinical suite in the University of Texas (UT) Southwestern Medical Center in Dallas last January, the bandage wrapped around her left wrist was the only sign of anything medically amiss. The bandage covered a minor injury from a cheerleading practice led by Tracy, a 40-year-old African American who is an aerobics instructor, a mother of two and a college student pursuing a degree in business. “I feel like I'm healthy as a horse,”...
  • MISSING LINK between HUMANS and MONKEYS FOUND

    04/09/2013 10:10:40 AM PDT · by SeekAndFind · 71 replies
    The Register ^ | 04/09/2013 | By Jasper Hamill
    Scientists claim to have identified the missing link between human speech and monkey chatter. Researchers analysed the distinctive "lip-smacking" sounds made by wild gelada baboons of the Ethopian highlands and found striking similarities to human speech. Their noises are so human-like that Thore Bergman, an assistant professor with the University of Michigan, thought he heard people talking while he was hanging out with the creatures. "I would find myself frequently looking over my shoulder to see who was talking to me, but it was just the geladas," he said. "It was unnerving to have primate vocalizations sound so much...
  • ‘Carbon’ to blame for giant crabs

    04/09/2013 1:02:38 PM PDT · by Ernest_at_the_Beach · 30 replies
    Watts Up With That? ^ | April 8, 2013 | by Anthony Watts
    From Jules Verne Mysterious Island, 1961, American Films Inc.CO2, is there anything it can’t do? Add it to the list.Over at WaPo, they call them “supersized”. From Counsel and Heal News (h/t to Gene Doebley):Carbon To Blame for Oversized Blue Crabs The use of genetic engineering or steroid enhancements to enlarge certain food products has been popular but highly controversial in the history of the food industry. Based on new research, it seems like certain animals, such as the blue crabs, have found another way of growing that does not require a lab setting. According to research, the side...
  • Researchers find surprising similarities between genetic and computer codes

    04/06/2013 10:35:13 PM PDT · by neverdem · 20 replies
    Phys.org ^ | March 29, 2013 | NA
    Computational biologist Sergei Maslov of Brookhaven National Laboratory worked with graduate student Tin Yau Pang from Stony Brook University to compare the frequency with which components "survive" in two complex systems: bacterial genomes and operating systems on Linux computers. Their work is published in the Proceedings of the National Academy of Sciences. Maslov and Pang set out to determine not only why some specialized genes or computer programs are very common while others are fairly rare, but to see how many components in any system are so important that they can't be eliminated. "If a bacteria genome doesn't have a...
  • Is An Alien Message Embedded In Our Genetic Code?

    04/02/2013 6:57:24 PM PDT · by BenLurkin · 75 replies
    discovery.com ^ | Apr 1, 2013 11:27 AM ET // by | Ray Villard
    Vladimir I. shCherbak of al-Farabi Kazakh National University of Kazakhstan, and Maxim A. Makukov of the Fesenkov Astrophysical Institute, hypothesize that an intelligent signal embedded in our genetic code would be a mathematical and semantic message that cannot be accounted for by Darwinian evolution. They call it “biological SETI.” What’s more, they argue that the scheme has much greater longevity and chance of detecting E.T. than a transient extraterrestrial radio transmission. Writing in the journal Icarus, they assert: “Once fixed, the code might stay unchanged over cosmological timescales; in fact, it is the most durable construct known. Therefore it represents...
  • A Computer Inside a Cell

    03/30/2013 8:04:02 PM PDT · by neverdem · 7 replies
    ScienceNOW ^ | 28 March 2013 | Robert F. Service
    Enlarge Image Turn on. A computer simulation of the expected result from a biological AND gate (top) and the actual data (bottom). Credit: J.Bonnet et al., Science (28 March, 2013) For the first time, synthetic biologists have created a genetic device that mimics one of the widgets on which all of modern electronics is based, the three-terminal transistor. Like standard electronic transistors, the new biological transistor is expected to work in many different biological circuit designs. Together with other advances in crafting genetic circuitry, that should make it easier for scientists to program cells to do everything from monitor...
  • First Love Child of Human, Neanderthal Found

    03/30/2013 4:48:56 AM PDT · by Renfield · 101 replies
    Discovery News ^ | 3-27-2012 | Jennifer Viegas
    The skeletal remains of an individual living in northern Italy 40,000-30,000 years ago are believed to be that of a human/Neanderthal hybrid, according to a paper in PLoS ONE. If further analysis proves the theory correct, the remains belonged to the first known such hybrid, providing direct evidence that humans and Neanderthals interbred. Prior genetic research determined the DNA of people with European and Asian ancestry is 1 to 4 percent Neanderthal. The present study focuses on the individual’s jaw, which was unearthed at a rock-shelter called Riparo di Mezzena in the Monti Lessini region of Italy. Both Neanderthals and...
  • Gay Is Not All in the Genes

    03/28/2013 8:33:24 AM PDT · by Maelstorm · 98 replies
    http://news.sciencemag.org ^ | 30 June 2008 | by Michael Balter
    Why are some people gay? Most researchers who study sexual orientation think that both genetic and environmental factors play a role, but the relative contributions of each remain unclear. A new study of Swedish twins reinforces earlier findings that environmental influences--including the environment in the womb--may play a greater role than genes. Scientists studying complex human behaviors often turn to twin studies. Researchers look at both identical and fraternal twins to see how often they share a trait--a parameter called concordance. The greater the concordance among genetically identical twins compared with fraternal twins--who share only half of their genes--the more...
  • Aboriginal Australian History Finally Resolved

    03/22/2013 3:50:30 AM PDT · by ABrit · 15 replies
    DNA Consultants Blog ^ | October 8, 2011 | Blogger
    We present an Aboriginal Australian genomic sequence obtained from a 100-year-old lock of hair donated by an Aboriginal man from southern Western Australia in the early 20th century. We detect no evidence of European admixture and estimate contamination levels to be below 0.5%. We show that Aboriginal Australians are descendants of an early human dispersal into eastern Asia, possibly 62,000 to 75,000 years ago. This dispersal is separate from the one that gave rise to modern Asians 25,000 to 38,000 years ago. We also find evidence of gene flow between populations of the two dispersal waves prior to the divergence...
  • Most popular human cell in science gets sequenced

    03/18/2013 9:04:21 PM PDT · by neverdem · 6 replies
    Nature News ^ | 15 March 2013 | Ewen Callaway
    The HeLa cell genome is riddled with errors, raising questions about its continued use. The research world’s most famous human cell has had its genome decoded, and it’s a mess. German researchers this week report the genome sequence of the HeLa cell line, which originates from a deadly cervical tumour taken from a patient named Henrietta Lacks. Established after Lacks died in 1951, HeLa cells were the first human cells to grow well in the laboratory. The cells have contributed to more than 60,000 research papers, the development of a polio vaccine in the 1950s and, most recently, an international...
  • China taking over the world with a massive genetic engineering program

    03/17/2013 7:38:35 AM PDT · by yinandyang · 27 replies
    Vice.com ^ | ? | Aleks Eror
    At BGI Shenzhen, scientists have collected DNA samples from 2,000 of the world’s smartest people and are sequencing their entire genomes in an attempt to identify the alleles which determine human intelligence. Apparently they’re not far from finding them, and when they do, embryo screening will allow parents to pick their brightest zygote and potentially bump up every generation's intelligence by five to 15 IQ points.
  • Circular RNAs throw genetics for a loop

    03/03/2013 12:36:32 AM PST · by neverdem · 14 replies
    Nature News ^ | 27 February 2013 | Heidi Ledford
    RNA ‘sponges’ mop up sequences that curb gene expression. Behold the latest curio in the cabinet of RNA oddities: naturally occurring circular RNA molecules that influence gene expression. At least some of the loops, described in two papers published this week by Nature1, 2, act as molecular ‘sponges’, binding to and blocking tiny gene modulators called microRNAs. But the researchers suspect that the circular RNAs have many other functions. The molecules comprise “a hidden, parallel universe” of unexplored RNAs, says Nikolaus Rajewsky, the lead author of one of the studies and a systems biologist at the Max Delbrück Center for...
  • Five disorders from depression to autism share a genetic link, which could pave the way for new...

    02/28/2013 5:16:22 PM PST · by neverdem · 19 replies
    Daily Mail (UK) ^ | 28 February 2013 | CLAIRE BATES
    Five disorders from depression to autism share a genetic link, which could pave the way for new treatments Autism, ADHD, bipolar disorder, depression and schizophrenia overlap at a genetic level Two gene markers common to all of the disorders govern the balance of calcium in brain cells New understanding could help develop treatments The five most common mental health and developmental disorders share a common genetic root, a study has found. Scientists found a link between autism, attention deficit hyperactivity disorder (ADHD), bipolar disorder, depression and schizophrenia. The findings, from Massachusetts General Hospital in Boston, could revolutionise how doctors think...