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Saturday, December 15, 2012

forensics and mithocondria

gmo free steak 300x300 GMO Meat & How a DNA Test Can Predict How Good Beef Will TasteThere’s good news for folks who like a tender, tasty steak every day. Scientists have been studying cattle genes to determine which make the most tender and flavorful meat, which is probably something you won’t mind if you like sinking your teeth into a perfectly-cooked piece of beef. After determining which genes make our mouths the happiest, researches from the National Agronomic Research Institute in Theix, France have devised a chip, known as GENOTEND, that analyzes cow DNA for the genes that result in a tender slice of beef.

Some say the proof is in the pudding, but the pudding in question is beef. After locating the cows that are scientifically the best tasting, scientists put the results to a test using human tasters, of course. Expert taste testers agreed with the results of the DNA test completely, which should be proof enough for even the staunchest critic.

Before now, the professionals have taken a bit of a guess at which cow will produce the best meat, and the risk hasn’t always paid off. Some people might be getting excited about the idea of breeding the perfect cow based on taste alone, but this will not be the case, at least yet. The DNA-inspecting chip is inserted during a point at which it is too late to breed the tastiest cows. Perhaps science will be able to change this in the future, but you’ll have to wait for science to make those strides.

The field of DNA testing for taste has other progress to make. The scientists involved are intent on finding a way to make the chip work in a wider variety of situations. The testing chip works only with specific breeds, for instance. All of the testing also occurred on male specimens from the Charolais breed. While the scientists tested both bulls and steers successfully, there’s no gene testing that works with females cows at this point.

It’s unlikely that this discovery will lead to direct genetic modification, which is not currently practiced. After some attempts to modify livestock in 1990s to promote milk creation and reduce fat, the tested subjects became more likely to become infected with diseases while simultaneously experiencing difficulties in reproduction. We’re sure that folks from PETA and the crunchy types who dislike genetically modified organisms, or GMOs, will find fault with this type of research and where it will potentially lead.

Genetic modification may not be as far in the future as some people will guess. Some manufacturers are waiting for an FDA approval of modified salmon for sale in the United States.Other GMO experiments have occurred, but no milk, meat or eggs sold in the USA has from a modified animal.

Still, we’re sure that hungry shoppers will eventually be able to head to the grocery store and purchase meet based on those very results, rather than other factors such as hanging time. A day might come when you don’t have to worry about your steak being too tough.
Title: forensics and mithocondria
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