The gene that causes lighter skin pigmentation, SLC24A5, was introduced from eastern African to southern African populations just 2,000 years ago. Strong positive selection caused this gene to rise in frequency among some KhoeSan populations.
A new study indicates that lifespan extension at lower temperatures is not just a matter of turning down the thermostat: it's under active genetic control.
Related topics: Thermostats
Babies to order. Andrew crotty/Shutterstock.com
When Adam Nash was still an embryo, living in a dish in the lab, scientists tested his DNA to make sure it was free of Fanconi anemia, the rare inherited blood disease from which his sister Molly...
Related topics: DNA, Anemia
Some farmers and scientists are arguing for oversight of a new generation of gene-edited food, made through a process called CRISPR.
An international team of researchers has developed, calibrated, and validated a novel tool for identifying the genetic changes in Lynch syndrome genes that are likely to be responsible for causing symptoms of the disease.
Related topics: Colon Cancer, Colorectal Cancer, Cancer, Oncology, Medical Research
Neurons in the brain and spinal cord don't grow back after injury, unlike those in the rest of the body. Now, researchers have identified some of the key steps taken by nerves in the legs as they regenerate. The findings lay out a path that spinal...
Related topics: Neurons, Brain Injury, Medical Research
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Related topics: Medical Research
Takayasu arteritis is an autoimmune disease resulting in chronic aortic inflammation leading to aneurysm or aortic regurgitation. Researchers showed that it is caused by MLX gene mutation. This mutation increased oxidative stress and inflammasome...
Related topics: Aortic Aneurysm, Aneurysm, Medical Research, Stress
Peripheral nervous system tumors, known as neuroblastoma, are one of the most common types of childhood tumors. Researchers have now studied the genetic factors behind different tumor subtypes and their prognoses. Their findings enable clinicians to...
Related topics: Cancer, Oncology, Neuroblastoma, Medical Research
The Medical group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Has Genomic Health (GHDX) been one of those stocks this year? Let's take a closer look at the stock's year-to-date...
Related topics: Genomics
When Adam Nash was still an embryo, living in a dish in the lab, scientists tested his DNA to make sure it was free of Fanconi anemia, the rare inherited blood disease from which his sister Molly suffered. They also checked his DNA for a marker that...
Related topics: DNA, Anemia
A QUT-led collaboration with University of Adelaide reveals that Australia's pint-sized banded hare-wallaby is the closest living relative of the giant short-faced kangaroos which roamed the continent for millions of years, but died out about 40,000...
Related topics: DNA
Researchers have developed a genomic model to study drought tolerance in perennial grasses using Panicum hallii (Hall's panicgrass), by generating two complete genomes from varieties that diverged over a million years ago. The hallii variety thrives...
Related topics: Genomics
Time spent sitting, sleeping and moving appears to be determined, in part, by our genes, researchers have shown.
The genetic modification of crops (GMOs) and the concept of designer babies (thanks to CRISPR technology) may be two of the most recognizable, yet controversial, topics related to the field of genetic engineering. At its core, genetic...
American professor Frances Arnold and British biochemist Gregory Winter, this year’s winners of the Nobel Prize in chemistry, say that misguided overreaction to fears about genetically modified food is preventing society from reaping the...
Related topics: Nobel Prize
Researchers have discovered information about a gene that sets primates -- great apes and humans -- apart from other mammals, through the study of a rare developmental brain disorder.
Related topics: Scientific Discoveries
An unconventional bacteria-based approach has successfully reversed deficits in social behaviors associated with autism spectrum disorders (ASD) in genetic, environmental, and idiopathic mouse models of the condition. Researchers at Baylor College...
Related topics: Autism, Bacteria, Medical Research
In a 5,000 year old grave outside Falköping, scientists have found the oldest traces of the plague bacterium's DNA in the world. An international research team including archaeologists from the University of Gothenburg made the discovery using...
Related topics: DNA, Archaeology, Scientific Discoveries
A new study suggests that a genetic switch that causes latent HIV inside cells to begin to replicate can be manipulated to completely eradicate the virus from the human body. Cells harboring latent HIV are 'invisible' to the natural defenses of the...
Related topics: HIV, Virus, Medical Research, Virology