由 erscant 於 2019-04-11 14:24:43 發表 | 累積瀏覽 390
American experts are working with genetic markers to analyze foods poisoning cases connected to romaine lettuce. The Associated press stories that their usage of genetic sequencing is totally shifting the invention of micro organism in food.
Genetic sequencing is becoming accustomed to improve investigations and, in a few circumstances, find back links in between what once seemed to be unrelated ailments. The technology also is uncovering as soon as mysterious causes of food items poisoning.
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A person these types of instance included apples lined in caramel, a well known take care of during the United states.
Up to now, experts happen to be on the lookout generally at a single bacteria: listeria. Though the research is expanding. From the stop of the year, laboratories in all fifty states are envisioned to even be using genetic sequencing for more popular reasons behind foods poisoning. That includes salmonella along with the E. coli microbes linked to your romaine lettuce outbreak.
The brand new strategy is likewise aiding ailment researchers identify foodstuff contamination even ahead of it results in folks to obtain unwell.
Lawyer Invoice Marler has taken firms to courtroom when their food stuff goods sicken people. He claimed the procedure is transforming how outbreaks are uncovered.
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Marler stated the screening application is still younger. He explained it can be too early to simply call genetic sequencing successful. But he mentioned it might improve how and when outbreaks are uncovered.
The Facilities for Sickness Command and Avoidance, or CDC, supports the program. It estimates that forty eight million Individuals get unwell from food poisoning on a yearly basis. And 3,000 of all those persons die from these kinds of bacterial infections.
Using genetic sequencing involves a little something termed whole genome sequencing, which has been used in biology for additional than twenty years. A genome is usually a form of genetic map. It consists of each of the genetic details, or DNA, about an organism. DNA is short for that term deoxyribonucleic acid.
The laboratory approach identifies nearly all of an organismˉs DNA. And scientists use personal computer applications to compare the DNA of take a look at specimens to check out if they are the identical since the organism and how resistant these are to latest medications.
The technique helps make the lab scientific tests more rapidly, less expensive and even more automatic, claimed Robert Tauxe, one among the CDCˉs major industry experts on food items poisoning.
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plans are to work with the technology in opposition to various bacteria that trigger food poisoning. But up to now, each of the tests have associated listeria. The microbes leads to all-around 1,600 scenarios of foodstuff poisoning nationwide annually. But it is a extremely deadly an infection, killing virtually just one in five persons who get it.
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