Radiation resistant bacteria, SEM

Radiation resistant bacteria, SEM

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Credit: MICHAEL J DALY/SCIENCE PHOTO LIBRARY

Caption: Radiation resistant bacteria. Coloured scanning electron micrograph (SEM) of four Deinococcus radiodurans bacteria forming a tetrad. This extremophile bacteria that can withstand extremes in radiation, low temperature, dehydration, vacuum and acidity. It can survive up to 3,000 times the radiation dose that would normally kill a human. It is thought that high levels of manganese help protect DNA repair proteins within the bacteria.

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Keywords: american, bacteria, bacterial, bacteriology, bacterium, biological, biology, coloured, deinococcus radiodurans, dna repair, extreme, extremophile, extremophiles, extremophilic, false-coloured, halophile, halophilic, micro-organisms, microbe, microbes, microbiological, microbiology, north america, radiation-resistant, resilient, scanning electron micrograph, scanning electron microscope, sem, tetrad, united states, usa

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