Genetics
Berkeley researchers find evidence for a "molecular fountain of youth"
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
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
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
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
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
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
Biofuel derived from crops such as switchgrass certainly holds promise, although some critics maintain that such crops use up too much agricultural land – land that could otherwise be used for growing food crops. A genetic discovery announced this Tuesday, however, reportedly allows individual plants to produce more biomass. This means that biofuel crops could have higher yields, without increasing their agricultural footprint. Read More
A new study by Indiana’s University of Notre Dame has revealed that streams across the U.S. Midwest contain insecticides from adjacent fields of genetically engineered corn, even well after harvest. The transgenic maize (GE corn) in question has been engineered to produce the insecticidal protein Cry1Ab. Pollen, leaves and cobs from those plants enter streams bordering on the cornfields, where they are said to release Cry1Ab into the water. Read More
In the past few months, we’ve received announcements regarding the mapped genomes of wheat, of apples, and even the repulsive human body louse. Now, researchers from the US Department of Agriculture (USDA) have sequenced 90 percent of the genome of Meleagris gallopavo, which you may know as the domestic turkey. Read More
No sooner do we hear about the sequencing of the wheat genome, than word comes this week that the genome of the apple has been decoded. The feat was accomplished through a collaboration between 18 research institutions in the US, Belgium, France, New Zealand and Italy, and was coordinated by Italy’s Istituto Agrario S. Michele all'Adige (IASMA). DNA sequences of the Golden Delicious apple were produced in 2007/08, and over 82 percent of the genome was assembled into the total 17 apple chromosomes in 2009. Now, over 90 percent of the genes have been anchored to a precise position in the chromosomes. It may all sound like Greek (or Italian) to us non-geneticists, but the upshot of the whole thing is that we should now be able to selectively breed apples like never before, resulting in hardier, tastier fruits. Read More