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Genetics

A genetically-inherited microbe naturally found in the gut that is more common in thin peo...

A new study has determined that not only are bacteria naturally found in the gut involved in obesity, diabetes, and cardiovascular disease, but they are genetically inherited. Researchers at King's College London and Cornell University identified a highly-heritable bacterial family that is more common in individuals with low body weight and that could pave the way for genetics-based personalized probiotic therapies for obesity-related diseases.  Read More

Using GPS (but not that  GPS), scientists can trace the geographic origins of someone's DN...

An international team of scientists has developed a process that allows them to pinpoint a person’s geographical origin going back 1,000 years. Known as the Geographic Population Structure (GPS) tool, the method is accurate enough to locate the village from which the subject’s ancestors came, and has significant implications for personalized medical treatment.  Read More

It may someday be possible to ascertain someone's appearance by analyzing their DNA

As any fan of just about any TV cop show will tell you, it's possible to determine someone's sex and race based on a sample of their DNA. In the future, however, such samples may provide police with even more valuable information ... they might allow investigators to construct an image of the person's face.  Read More

A new test is able to genetically discriminate between 'identical' twins (Photo: Shutterst...

Although they only account for around three in every thousand deliveries, monozygotic, or "identical" twins are fertile fodder for crime writers and cop shows. This isn't surprising considering that DNA fingerprint testing is not able to genetically differentiate between the good and evil twin. But now German-based company Eurofins MWG Operon says it has found a way to do just that.  Read More

The SIRT3 protein molecule that appears to play a central role in regulating aging and lon...

The quest for longer and healthier life, if not immortality, has been part of the human experience since we evolved the ability to recognize the total annihilation of individual death. Our understanding of the biology of aging at the molecular level is advancing so rapidly that it appears inevitable that another decade or two of life will be enabled before long. A new step in what may be the right direction has just been published by researchers at the University of California, Berkeley.  Read More

The thumb-sized Domino chip can perform 20 genetic tests from a drop of blood

A genetic testing mini-lab developed by researchers at the University of Alberta to set to begin commercial trials within a year. The Domino system provides a portable, cheap and powerful alternative to conventional laboratories that delivers a range of point-of-care diagnostic possibilities including tests for blood borne diseases such as malaria and those affecting farm animals.  Read More

2011 - a year in technology

We cast a wide net over all types of new and emerging technologies here at Gizmag.com - some save us time, some keep us connected, some help us stay healthy and some are just plain fun, but at the core of what we cover are those discoveries and innovations which have the potential to impact the fortunes of the human race as a whole and make a difference to the future of our planet. So with the calender having rolled over into another year, it's an ideal time to take a look back at some of the most significant and far-reaching breakthroughs that we saw during 2011.  Read More

Aedes aegypti, the #1 disease vector for dengue fever (Photo by Muhammad Mahdi Karim, publ...

War, plague, famine, heart disease, cigarettes, road trauma: six very effective killers of human beings. But they're all amateurs when their records are compared to the number one mass murderer of all time. The humble mosquito, and the deadly diseases it carries, is estimated to have been responsible for as many as 46 billion deaths over the history of our species. That staggering number is even more frightening in context - it means that mosquitoes are alleged to have killed more than half the humans that ever lived. So if any species deserves the full wrath of human technology, this is the one. And here, it seems, is how we might take our revenge - genetically modified strains of mosquito that are designed to cripple their own offspring and systematically destroy entire populations. And these mutant, auto-genocidal mozzies are already loose in the wild.  Read More

DNA rendering by ynse via Flickr

While scientists have long had the ability to edit individual genes, it is a slow, expensive and hard to use process. Now researchers at Harvard and MIT have developed technologies, which they liken to the genetic equivalent of the find-and-replace function of a word processing program, that allow them to make large-scale edits to a cell’s genome. The researchers say such technology could be used to design cells that build proteins not found in nature, or engineer bacteria that are resistant to any type of viral infection.  Read More

Georgia Tech graduate student Jeffrey Stirman, School of Chemical & Biomolecular Engineeri...

Genetically engineered remote controlled animals ... what the? Using inexpensive and widely available technology combined with the latest techniques in optogenetics, researchers at Georgia Tech have created exactly that. Optogenetics is a mix of optical and genetic techniques that has allowed scientists to gain control over brain circuits in laboratory animals. Mary Shelly would be proud – or totally freaked out. But don't expect remote controlled poodles or parrots in your nearest pet store by Christmas, this might be a few years off.  Read More

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