Thermotogae
from class: Microbiology Definition Thermotogae are a phylum of hyperthermophilic bacteria characterized by their unique toga-like outer membrane. These bacteria are known for thriving in extremely hot environments such as hydrothermal vents.
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Predict what's on your test 5 Must Know Facts For Your Next Test Thermotogae exhibit a distinctive 'toga' structure, which is an outer sheath-like membrane that surrounds the cell. They are hyperthermophiles, meaning they thrive at extremely high temperatures, often above 80°C. Members of the Thermotogae phylum are typically anaerobic and can metabolize carbohydrates to produce hydrogen gas. Thermotoga maritima is one of the best-studied species within this phylum and was among the first genomes to be fully sequenced. These bacteria have been found in diverse extreme environments, including marine hydrothermal vents and terrestrial hot springs. Review Questions What unique structural feature characterizes Thermotogae? At what temperature range do Thermotogae typically thrive? What metabolic process are Thermotogae known for, and what gas do they commonly produce?
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