Sentences with phrase «population geneticist»

Advances in extracting DNA from a tiny ear bone called the petrous allowed a team led by Iosif Lazaridis and David Reich, population geneticists at Harvard Medical School in Boston, Massachusetts, to analyse the genomes of the 44 Middle Eastern individuals, who lived between 14,000 and 3,500 years ago.

Other researchers say that this new genome is important because «it is the first paper to document some degree of continuity among the first people to get to Europe and the people living there today,» says population geneticist David Reich of Harvard University, one of the authors on the triple migration model.

The letter was spearheaded by five population geneticists who had informally discussed the book at conferences, says co-organizer Rasmus Nielsen of the University of California, Berkeley.

«Basically, everybody's myth is wrong, even the indigenous groups»,» says population geneticist David Reich of Harvard University.

In another paper, a team led by population geneticist David Reich of Harvard University comes to a similar conclusion after examining 300 genomes from 142 populations.

Now the life sciences may be on the cusp of their own «pnictide moment», with population geneticists leading the charge.

Cornell University population geneticist Scott Williamson and colleagues analyzed over a million genetic variations in DNA samples from 24 individuals, including African Americans, European Americans, and Chinese.

The new study offers a stunning example of human genetic diversity and adaptation to the underwater environment, says Anna Di Rienzo, a human population geneticist at the University of Chicago who was not involved with the research.

«There is no longer any West Eurasian ancestry inferred in West and Central African populations,» says Harvard population geneticist Pontus Skoglund, who alerted Manica to the problem.

Other prominent population geneticists have submitted methods - based papers to the server, which is hosted by Cornell University in Ithaca, New York.

According to calculations by population geneticists based on family trees, one of these survivors carried a recessive gene for achromatopsia, which also causes severe sensitivity to light and poor vision.

When population geneticist Andrea Manica and graduate student Marcos Gallego Llorente at the University of Cambridge in the United Kingdom analyzed the sequence, they found that the Mota man had brown eyes and dark skin, as well as three gene variants associated with adaptation to high altitudes; some peaks in the highlands reach 4500 meters, as high as the Matterhorn.

The site was of particular interest to population geneticist Andrea Manica of the University of Cambridge in the United Kingdom because the skeletons of five humans were found with pottery, harpoons, and the remnants of nets and mats woven from twisted blades of wild sedge grass — which some (but not all) researchers consider a rudimentary form of early agriculture.

Meanwhile, population geneticist Alan Templeton of Washington University in St. Louis is overturning ideas about human origins from another angle.

«It is great to see that what we call the standard model of human evolution gets confirmation from entirely separate evidence,» says population geneticist Luca Cavalli - Sforza of Stanford University in California, the first researcher to trace human migrations with DNA.

After Darwin many would say that Sewall Wright, the American population geneticist, was the next at all comparably great biologist.

Unlike people elsewhere in the world, these Pacific islanders possess nuclear DNA that they inherited from two Stone Age hominid populations, say population geneticist Benjamin Vernot, formerly of the University of Washington in Seattle, and...

The specifics remain unclear, but in June population geneticist Jody Hey of Rutgers University made the first real stab at determining exactly how many settlers started it all.

It is really great to see how evidence from different disciplines can be combined to understand these complex past demographic processes,» said population geneticist Torsten Günther, one of the lead authors.

And a series of removals in the mid-2000s left only one pack on the landscape that had high reproductive success, says Rich Fredrickson, an independent population geneticist based in Missoula, Montana, who serves on the recovery team.

The results are «clear - cut» and confirm the migration patterns researchers had supposed based on archeological evidence, says population geneticist Lounès Chikhi of the French national research agency CNRS in Toulouse, France.

«It's a nice story that solves a cool mystery — how did Neandertals end up with mtDNA more like that of modern humans,» says population geneticist Ilan Gronau of the Interdisciplinary Center Herzliya in Israel.

Until recently, most biologists thought that long - distance pollination occurred only rarely, with fewer than one plant in a hundred having parents separated by more than 100 metres, says Norman Ellstrand, a plant population geneticist at the University of California at Riverside.

Although much of the world has been genetically characterized, the United States has received less attention from population geneticists because of its complex ancestry patterns.

Today, 7.6 billion people inhabit Earth, but population geneticists focus on the effective population size, which is the number of people it took to produce the genetic variation seen today.

«It's a hard question who the Celts are,» says population geneticist Stephan Schiffels of the Max Planck Institute for the Science of Human History in Jena, Germany.

But last year, population geneticist Mattias Jakobsson of Uppsala University in Sweden reported that the DNA of modern Basques is most like that of the ancient farmers who populated northern Spain before the Yamnaya migration.

Finding out why some hybrids make it and others don't may yield molecular details about how reproductive barriers between species are built, says evolutionary population geneticist Graham Coop of the University of California, Davis.

«We can falsify this notion that anyone is pure,» says population geneticist Lynn Jorde of the University of Utah in Salt Lake City.

«This big wave of Yamnaya migration washed all the way to the shores of Ireland,» says population geneticist Dan Bradley of Trinity College in Dublin.

Most population geneticists agree that the main migratory stem, well before the budding of the Finns, has its roots in Africa.

The papers «are really important,» says population geneticist Joshua Akey of the University of Washington, Seattle, offering powerful testimony that «the vast majority of non-Africans [alive today] trace their ancestry back to a single out - of - Africa event.»

Akey says: «As population geneticists, we could spend the next decade arguing about that 2 %, but in practical terms it doesn't matter.»

Scherer and his colleagues, who included population geneticist Matthew Hurles of the Wellcome Trust Sanger Institute in Cambridge, England, followed up with a higher - resolution CNV study in 2006, which analyzed DNA from 270 individuals and identified an average of 47 copy number variations per person.

Molly Przeworski of Columbia University, another organizer, says the group «tried to contact population geneticists whose work had been cited by Wade.»

The current study was conducted by an international group of scientists led by University of Cambridge population geneticist Franois Balloux and Mark Achtman, a microbiologist at the Max Planck Institute for Biological Infections in Berlin.

«The more individuals there are, the more mutations have arisen recently,» says Cornell University population geneticist Alon Keinan.

Now, nearly 140 senior human population geneticists around the world, many of whose work was cited in the book, have signed a letter to The New York Times Book Review stating that Wade has misinterpreted their work.

If tigers in the western group remain isolated, «that population, if you ask me, looks like it's headed toward extinction,» says population geneticist Uma Ramakrishnan of the National Centre for Biological Sciences in Bangalore.

«It's really exciting; it's totally well - documented; it's really dramatic,» says population geneticist Andrew Clark of Cornell University.

«I think it is clear there's quite a bit of recent selection going on,» says population geneticist Jonathan Pritchard of the University of Chicago in Illinois.

«The real novelty here is the timing,» says population geneticist Keith Crandall of Brigham Young University in Provo, Utah.

«I find it very interesting,» says emeritus population geneticist Luigi Luca Cavalli - Sforza of Stanford University.

Biological anthropologist Henry Harpending of the University of Utah in Salt Lake City also likes the new explanation for the missing mutations: «It is time that human population geneticists recover from waving the magic wand of «bottleneck» to try to explain everything.»

The team, led by population geneticist Lluis Quintana - Murci of the Pasteur Institute and Centre National de le Recherche Scientifique in Paris, analyzed DNA of 210 individuals from the database of Phase II of the International HapMap Project, an effort to identify variations in human genes that cause disease.

«But those evolutionary biologists who by tradition owned explanatory authority in evolutionary theory (primarily population geneticists) are losing this privileged position in the EES, and some don't take it well.

Finally, I wrote a guest post for Haldane's Sieve to motivate and explain the work to population geneticists without background in forensic science.