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Deinococcus-Thermus
Scientific classification
Domain: Bacteria
Phylum: Deinococcus-Thermus
Class: Deinococci
L. Margulis & K.V. Schwartz, 1998
Orders & Genera

Deinococcales
    Deinococcus
Thermales
    Thermus
    Meiothermus
    Marinithermus
    Oceanithermus
    Vulcanithermus

The Deinococcus-Thermus are a small group of bacteria composed of cocci highly resistant to environmental hazards.[1]

There are two main groups.

  • The Deinococcales include a single genus, Deinococcus, with several species that are resistant to radiation; they have become famous for their ability to eat nuclear waste and other toxic materials, survive in the vacuum of space and survive extremes of heat and cold.
  • The Thermales include several genera resistant to heat. Thermus aquaticus was important in the development of the polymerase chain reaction where repeated cycles of heating DNA to near boiling make it advantageous to use a thermo-stable DNA polymerase enzyme.

Though these two groups evolved from a common ancestor, the two mechanisms of resistance appear to be largely independent.[2]

These bacteria have thick cell walls that give them gram-positive stains, but they include a second membrane and so are closer in structure to those of gram-negative bacteria.

Cavalier-Smith calls this clade Hadobacteria[3] (from Hades, the Greek underworld).

References

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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

Translingual

Etymology

Proper noun

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Deinococcus-Thermus

  1. a taxonomic phylum, within kingdom Bacteria - extremophile bacteria that are resistant to ionizing radiation etc
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See also

  • Deinococci

Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

Main Page
Superregnum: Bacteria
Regnum: Bacteria
Phylum: Deinococcus-Thermus
Classis: Deinococci

Vernacular names


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