| thermoplasma | A genus of facultatively anaerobic heterotrophic archaea, in the order thermoplasmales, isolated from self-heating coal refuse piles and acid hot springs. They are thermophilic and can grow both with and without sulfur. (12 Dec 1998) |
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| thermoplasmales | An order of aerobic, thermophilic archaea, in the kingdom euryarchaeota, characterised by the absence of a cell wall. Two genera have been described: thermoplasma and picrophilus. (12 Dec 1998) |