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Aquifex pyrophilus
Aquifex pyrophilus is a rod-shaped bacterium with a length of 2 to 6 micrometers and a diameter of around half a micrometer. It is one of a handful of species in the Aquificae phylum, an unusual group of thermophilic bacteria that are thought to be some of the oldest species in the eubacteria domain. Additional recommended knowledgeA. pyrophilus grows best in water between 85 to 95 °C, and can be found near underwater volcanoes or hot springs. It typically uses oxygen in its respiration, producing water as a byproduct, thus leading to the name "Aquifex," meaning "water-maker." However A. pyrophilus can even grow anaerobically by reducing nitrogen instead of oxygen. Members of the species tend to form large cell congloberations, comprised of up to 100 individual cells. It was discovered just north of Iceland. The genome of Aquifex aeolicus, a member of the same genus, has been successfully mapped. Comparison of this genome to other organisms showed that around 16% of its genes originated from the Archaea domain. It is assumed that A. pyrophilus also has this property. External links and references
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Aquifex_pyrophilus". A list of authors is available in Wikipedia. |