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The light-absorbing compound in the fungus cell membranes had the effect of turning the water black. [5] While there are many cases of extremophiles (organisms that can live in severe conditions such as that of the radioactive power plant), a hypothetical radiotrophic fungus would grow because of the radiation, rather than in spite of it. [6]
Metabolism of ionizing radiation was theorized as early as 1956 by the Russian microbiologist S. I. Kuznetsov. [1] Beginning in the 1990s, researchers at the Chernobyl Nuclear Power Plant uncovered some 200 species of apparently radiotrophic fungi containing the pigment melanin on the walls of the reactor room and in the surrounding soil.
During the 30 day study the amount of radiation reduction beneath a 1.7 mm thick layer of fungus at full maturity was measured to be 2.17±0.35%. Estimates of a 21 cm thick layer of the fungus indicate it could attenuate the annual dose from the radiation on the surface of Mars. [19]
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Bioremediation of radioactive waste or bioremediation of radionuclides is an application of bioremediation based on the use of biological agents bacteria, plants and fungi (natural or genetically modified) to catalyze chemical reactions that allow the decontamination of sites affected by radionuclides. [1]
Chytrids are aquatic fungi, though those that thrive in the capillary network around soil particles are typically considered terrestrial. [ 7 ] [ 4 ] The zoospore is primarily a means of thoroughly exploring a small volume of water for a suitable substrate rather than a means of long-range dispersal.
Deinococcus radiodurans is a bacterium, an extremophile and one of the most radiation-resistant organisms known. It can survive cold, dehydration, vacuum, and acid, and therefore is known as a polyextremophile. The Guinness Book Of World Records listed it in January 1998 [1] as the world's most radiation-resistant bacterium or lifeform. [2]
The fungus behind a spate of deadly meningitis cases last year linked to medical clinics in Mexico was found to have aggressively attacked the base of patients’ brains, ...