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The scientists found the bacteria that can breathe uranium

By Sarah Morris,2015-05-09 04:30
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The scientists found the bacteria that can breathe uranium

    The scientists found the bacteria that can "breathe" uranium

     [ Abstract ] scientists in Colorado, about 200 miles west of Denver's uranium ore crushing place can be found strange strains, "breathing" in the environment of high concentration uranium.

     It succeeds, you can use in the vicinity of uranium nuclear fuel nuclear arsenals, processing and other places, in order to reduce the concentration of uranium in the

    environment

     According to media reports, the scientists found that a "breathing" uranium bacteria can clean up the contaminated groundwater, which

    mainly exist in uranium ore processing factories or manufacturing nuclear weapons sites. From the Rogers scientists in about 200 miles west of Colorado, Denver uranium ore crushing site discovered these bacterial strains, named beta Proteobacteria, able to breathe oxygen or uranium into a chemical reaction, and draw energy from. Breathing uranium bacteria in the microbial world is rare, they can be inhaled uranium, scientists earlier in the uranium concentration in groundwater found reduced iron bacteria are more active breathing.

    But until now, scientists have yet to prove that these iron bacteria breathing are also able to breathe in the air of uranium, that bacteria may consume uranium by chemical reaction. The Rogers team observed the process of these bacteria, isolation of new strains and suitable from some concentration in the environment, how is the evolution of strains. Study on respirable uranium bacteria, the scientists have completed their genome sequencing, to study the future of the genetic factors, to understand how these bacteria growth in uranium in the environment.

    Colorado River groundwater pollution of uranium, the scientists hope that by chemical method to its dilution, but this method is too expensive and dangerous, so the biological treatment is a potential way, especially in the high radionuclide pollution, is not conducive to the

    expansion of chemical environment in high dose.So the biological method once successful, can be used in the vicinity of uranium nuclear fuel nuclear arsenals, processing and other places, in order to reduce the concentration of uranium in the environment. At the same time, the use of the lean penetrator also needs to be treated, many places in the Middle East by these substances after the war, there may be a high concentration of uranium in groundwater.

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