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Images of extremophiles
  

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When extremophiles were first discovered, they seemed more like science fiction than the remarkable creatures we now know them to be. These microbes live in the harshest environments on the planet—extreme heat and intense cold—and have specialized skills rarely seen in nature. Deinococcus radiodurans, for example, survives radiation that would kill a human being by systematically repairing its damaged DNA in as little as a few hours.

This week, the Art Gallery features images of D. radiodurans and three heat-resistant extremophiles sequenced at TIGR between 1996 and 1999.




Deinococcus radiodurans

Methanococcus jannaschii

Archaeoglobus fulgidus

Thermotoga maritima
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Birgit Reinert

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White, O. et al. Genome sequence of the radioresistant bacterium Deinococcus radiodurans R1. Science 286, 1571-1577 (November 19, 1999).
 
Nelson, K.E. et al. Evidence for lateral gene transfer between Archaea and bacteria from genome sequence of Thermotoga maritima. Nature 399, 323-329 (May 27, 1999).

Klenk, H.P. et al. The complete genome sequence of the hyperthermophilic, sulphate-reducing archaeon Archaeoglobus fulgidus. Nature 390, 364-370 (November 27, 1997).
 
Bult, C.J. et al. Complete genome sequence of the methanogenic archaeon, Methanococcus jannaschii. Science 273, 1058-1073 (August 23, 1996).
 

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