Sentences with phrase «new genetic studies of»

But new genetic studies of ancient DNA from Neandertals have found that they and the last ancestor they shared with humans, about 600,000 years ago, also lacked much genetic variation, which would require at least three dramatic bottlenecks — an improbable scenario.
But a new genetic study of a 1000 - year - old skeleton from the Bahamas shows that at least one modern Caribbean population is related to the region's precontact indigenous people, offering direct molecular evidence against the idea of Taino «extinction.»
Now, a new genetic study of moa fossils points to humankind as the sole perpetrator of the birds» extinction.

Not exact matches

The attorney general's investigation was apparently spurred by a 2013 article in the New York Times that cited a University of Guelph study that used genetic analysis to examine various commercial herbal remedies.
(Reuters)- Alnylam Pharmaceuticals Inc's RNAi - based drug that targets a rare genetic disease met the main goal of a key study, in a breakthrough for the new class of medicines that works by blocking disease - causing proteins.
But it has been disappointing in that the kind of genetic variation it detects has turned out to explain surprisingly little of the genetic links to most diseases... One issue of debate among researchers is whether, despite the prospect of diminishing returns, to continue with the genomewide studies, which cost many millions of dollars apiece, or switch to a new approach like decoding the entire genomes of individual patients.The unexpected impasse also affects companies that offer personal genomic information and that had assumed they could inform customers of their genetic risk for common diseases, based on researchers» discoveries...
For example, François's new right - wing colleague, Godefroy Lempereur, introduces him to a nativist literature heavy on demographic studies purporting to show that «belief in a transcendent being conveys a genetic advantage: that couples who follow one of the three religions of the Book and maintain patriarchal values have more children than atheists or agnostics.
These genetic regulators may be the reason ho - mose - xuality persists in nature despite the fact that gay people are less likely to reproduce, suggests the new study published in the (Dec, 2012) journal ** The Quarterly Review of Biology **.
A degree of kinship between human beings and the rest of physical creation has always been clear to an extent, but the depth and detail of our interrelationship with the rest of life on the planet is being confirmed over and over again in breathtaking detail by new scientific advances such as genetic studies and molecular biology.
These genetic regulators may be the reason homosexuality persists in nature despite the fact that gay people are less likely to reproduce, suggests the new study published in the [Dec, 2012] journal The Quarterly Review of Biology.
Blood pressure responses to high and low salt intakes may share similar genetic control mechanisms, according to a new study published in the Journal of Human Hypertension.
And when compared to the genetic contributions of the mother, older fathers are responsible for nearly all of a child's random genetic mutations: a father's age at conception may account for 97 % of the new, or de novo, mutations found in his offspring, according to the new study led by Augustine Kong at deCODE Genetics in Iceland.
In contrast, the new study made use of wrist accelerometer data, which is more objective and quantifiable, and a large genetic dataset from about 85,000 UK Biobank participants aged 40 to 70.
I continued working at the interface of science and epidemiology, first with Genaissance Pharmaceuticals, a New Haven - based pharmacogenomics company, where I was involved in the fascinating study of human genetic variation and population genetics.
The field had a rocky start after companies overhyped its potential, but with advances in genetic sequencing, and a slew of new studies, the concept is in for a reboot.
Several new studies highlight the complexity of autism's genetic roots, revealing why it strikes boys more than girls and offering clues for possible new treatments
In conclusion, this new study identifies the cellular origin of Pik3ca - induced tumours and reveals that oncogenic Pik3ca activates a multipotent genetic program, setting the stage for future intratumoural heterogeneity at the earliest stage of tumor development.
The new framework enhances the ability to detect genetic associations and interactions by taking advantage of data from other genomic studies of the same population.
Yet, in this latest, large - scale study, tens of new genetic risk factors were discovered.
Genetic evidence of that mixing was found in a new study.
Despite this, the extensive breadth of the new study allowed the researchers to identify several genetic markers underlying the fruit size increases, which is great news for breeders who might want to further increase the apple's girth.
The study of the new strain's genetic structure might also lead researchers to a better understanding of how the microbe adapts itself to human hosts.
«The implications for mouse experiments are profound, and could help us cut through some persistent sources of confusion,» in genetic research, said Dr. Thaddeus Stappenbeck, an immunologist at Washington University School of Medicine in St. Louis and a co-author of the new study.
«Large - scale genetic study provides new insight into the causes of migraine.»
David Anthony, an anthropologist at Hartwick College, who co-authored several of the earlier genetic studies but was not involved in the latest work, calls the new findings very convincing.
In a second study, (abstract 2.348) researchers from New York University's Langone Medical Center find that genetic mutations altering the transmission of electrical impulses in the heart and brain may raise the risk of SUDEP in people.
This study highlights the shared genetic etiology of many canine and human genetic disorders, and provides new tools to investigate PRA mechanisms while the beloved dogs benefit from genetic testing.
In this new study published in Nature, Alexandra Van Keymeulen and colleagues used state of the art genetic mouse models to identify the cellular origin of PIK3CA and p53 induced breast tumors.
In the second study, Dr. McCoy and colleagues demonstrated the application of this new method to examine the association between symptom dimensions and common genetic variation in psychiatric disease.
The HIV virus was in the US in the 1970s before it triggered the nation's AIDS epidemic of the 1980s, a new genetic study has found
A new study documents the prolonged and difficult path patients face before they are diagnosed with mitochondrial diseases, a group of rare, debilitating genetic disorders.
The achievement opened the door to further studies of the molecular basis of heredity and new strategies to treat cancer and genetic diseases.
Risks for autism and schizophrenia rise for kids of older fathers, and a new genetic study suggests why
In a new study published in The Quarterly Review of Biology, Dr. Karen Hardy and her team bring together archaeological, anthropological, genetic, physiological and anatomical data to argue that carbohydrate consumption, particularly in the form of starch, was critical for the accelerated expansion of the human brain over the last million years, and coevolved both with copy number variation of the salivary amylase genes and controlled fire use for cooking.
Unlike «big data» genetic studies, which have loosely linked hundreds of genetic changes to schizophrenia but can not explain varying symptoms, the new study revealed distinct disease versions that may affect large slices of patients and enable precision treatment design, say the authors.
In a new study now published in the latest edition of the scientific journal PNAS, Bárbara Parreira and Lounès Chikhi from Instituto Gulbenkian de Ciência (IGC; Portugal) show that social structure is important to maintain the genetic diversity within species.
Indeed, he notes, it's improbable that all of the previous genetic studies of red deer, including those living throughout Europe today, wouldn't have picked up any of the haplotypes he and his team identified in their new research.
Genetic manipulation of exosomes, virus - sized particles released by all cells, may offer a new therapeutic approach to treating pancreatic cancer, according to a study at The University of Texas MD Anderson Cancer Center.
«I think it's a remarkable study,» says cardiologist William Fay of the University of Missouri in Columbia, who was part of the research team that originally identified the girl's genetic defect but isn't connected to the new work.
In the new study, researchers Eran Elinav, Eran Segal and colleagues analyzed the study participants» genetic makeup along with the mix of microbes in stool samples from each person.
Genetic tests for mutations in the so - called breast cancer genes, BRCA1 and BRCA2, may not reveal as much about cancer risk as earlier reports have estimated, according to two studies published in tomorrow's New England Journal of Medicine.
A single introduction of the Ebola virus led to most cases of the deadly disease in Liberia, a new genetic study suggests.
The new study «adds fuel to an active debate» about the role of accessory genes, says Alan McNally, a microbiologist at the University of Birmingham in England — whether or not the collections of genetic add - ons that bacteria maintain are shaped by natural selection, the process that fuels evolution.
In addition to helping farmers check crop health, the new system will be helpful for studying how plants respond to changes in growing conditions and for high - throughput phenotyping, an automated method used in crop research and development to analyze how genetic modifications affect plant characteristics such as leaf size or drought resistance in a large number of plants.
«At the time, I was fascinated with reports about efforts to create new bacteria that could break down compounds or genetic engineering studies to make plants that provide all of the essential nutrients in food and solve malnutrition,» he says.
One study of autistic or schizophrenic individuals found they'd received four times as many new genetic mutations from dad as from mom.
In a meta - analysis of studies that linked genetic markers to cultural heritage in North and Central America, Iceland, Australia, Africa and New Guinea, they found that only Y - chromosome DNA reflected the cultural origins of the local language.
Her studies on pseudotypes, especially between RNA and DNA viruses, demonstrate the spread of viruses to new host cells and provide important tools for genetic engineering.
Scientists are bringing precision medicine to rheumatoid arthritis for the first time by using genetic profiling of joint tissue to see which drugs will work for which patients, reports a new Northwestern Medicine multi-site study.
Yet a new study finds that people who harbor one of two genetic variants seem to have a heightened risk of the cancer if they take aspirin or NSAIDs, drugs that include ibuprofen and naproxen.
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