hyperthermophile

(noun)

An organism that thrives in extremely hot environments— from 60 degrees C (140 degrees F) upwards. An optimal temperature for the existence of hyperthermophiles is above 80°C (176°F). Hyperthermophiles are a subset of extremophiles, micro-organisms within the domain Archaea, although some bacteria are able to tolerate temperatures of around 100°C (212°F), as well.

Related Terms

  • acidophiles
  • thermophile

(noun)

An organism that lives and thrives in an extremely hot environment like a deep sea smoker vent; often a member of the Archaea.

Related Terms

  • acidophiles
  • thermophile

Examples of hyperthermophile in the following topics:

  • Hyperthermophilic Archaea, H2, and Microbial Evolution

    • A hyperthermophile is an organism that thrives in extremely hot environments, from 60 degrees C (140 degrees F) and up.
    • Hyperthermophiles are a subset of extremophiles within the domain Archaea.
    • An optimal temperature for the existence of hyperthermophiles is above 80°C (176°F).
    • Hyperthermophiles were first discovered by Thomas D.
    • There are a number of proposed high temperature adaptions of hyperthermophiles.
  • Hyperthermophiles from Terrestrial Volcanic Habitats

    • A hyperthermophile thrives at relatively high temperatures and can be found in geothermally heated regions of the Earth.
    • Hyperthermophiles are particularly extreme thermophiles for which the optimal temperatures are above 80°C.
    • Some extreme thermophiles (hyperthermophiles) require a very high temperature (80°C to 105°C) for growth.
    • Many of the hyperthermophiles Archea require elemental sulfur for growth.
  • Hyperthermophiles from Submarine Volcanic Habitats

    • Hyperthermophiles live in dark regions of the oceans and use chemosynthesis to produce biomass from single carbon molecules.
    • Describe the metabolic processes used by hyperthermophiles found in submarine volcanic habitats
  • Classification of Microorganisms by Growth Temperature

    • Organisms that prefer cold environments are termed psychrophilic, those preferring warmer temperatures are termed thermophilic and those thriving in extremely hot environments are hyperthermophilic.
  • Thermoplasmatales, Thermocaccales, and Methanopyrus

    • Another anaerobic Euryarchaeota, often hyperthermophiles, are the Thermococcales of the class Thermocococci.
    • It is a hyperthermophile, discovered on the wall of a black smoker from the Gulf of California at a depth of 2000 m, at temperatures of 84-110 °C.
  • Viruses of Archaea

    • Species of the order Ligamenvirales and the families Ampullaviridae, Bicaudaviridae, Clavaviridae, Fuselloviridae, Globuloviridae, and Guttaviridae infect hyperthermophilic archaea species of the Crenarchaeota.
    • The Aeropyrum coil-shaped virus infects a hyperthermophilic (optimal growth at 90-95°C) host.
  • Diverse Cell Forms of Methanogens

    • M. kandleri is a hyperthermophile, discovered on the wall of a black smoker from the Gulf of California at a depth of 2000 m, at temperatures of 84-110 °C.
  • Aquificales and Thermotogales

    • In the 16S rRNA gene trees, the Aquificae species branch in the proximity of the phylum Thermotogae (another phylum comprising hyperthermophiles) close to the archaeal-bacterial branch point.
    • The phylum Thermotogae is composed of gram-negative staining, anaerobic, mostly thermophilic, and hyperthermophilic bacteria.
  • Psychrophilic Crenarchaeota

    • Until recently all cultured Crenarchaea had been thermophilic or hyperthermophilic organisms, some of which have the ability to grow at up to 113 °C.
  • Archaeal Gene Regulation

    • One group is exemplified by the Halorubrum pleomorphic virus 1 ("Pleolipoviridae") infecting halophilic archaea and the other one by the Aeropyrum coil-shaped virus ("Spiraviridae") infecting a hyperthermophilic (optimal growth at 90-95°C) host.
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