Archaea Groups

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4 Terms

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Chrenarchaeota

  • Soil, benthic (marine and marine sediments), microbiomes

  • widest growth range

  • Thermophiles- including barophilic vent dwellers

  • Desulfurococcus reduces sulfur

  • Sulfolobus kills other Archaea and requires O@

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Thaumarchaeota

  • Mesophiles

  • Marine environments

  • Can oxidize ammonia to nitrite, meaning they play a major role in the Nitrogen Cycle

  • Can be symbionts to marine invertebrates

  • Signature is tetraether lipid

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Lokiarchaeota

  • Deep sea

  • Share many traits with Eukaryotes (actin cytoskeleton proteins and phagocytosis genes)

  • Existence is known from DNA sequence

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Euryarchaeota

  • Soil, water, associated with plants and animals

  • Wide range of metabolic capabilities (methanogens can remove H2 anerobically)

  • Wide range of cell shapes and environmental adaptations

  • Extreme halophiles, acidophiles, and alkaliphiles