Thermococcus hydrothermalis sp. nov., a New Hyperthermophilic Archaeon Isolated from a Deep-Sea Hydrothermal Vent
Godfroy, Anne and Lesongeur, FrançOise and RaguéNèS, GéRard and QuéRellou, JoëL and Antoine, Elisabeth and Meunier, Jean-Roch and Guezennec, Jean and Barbier, Georges,, 47, 622-626 (1997),
doi = https://doi.org/10.1099/00207713-47-3-622,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= Abstract An extremely thermophilic archaeon, strain AL662T, was isolated from a deep-sea hydrothermal vent located on the East Pacific Rise at a latitude of 21°N. This strain is a strictly anaerobic coccus, and its cells range from 0.8 to 2 p.m in diameter. The optimum temperature, pH, and Sea Salt concentration for growth are 85°C, 6, and 20 to 40 g/liter, respectively. Strain AL662T grows preferentially on proteolysis products, on a mixture of 20 amino acids, and on maltose in the presence of elemental sulfur. The membrane lipids consist of di- and tetraether glycerol lipids. The DNA G+C content is 58 mol%. Sequencing of the 16S rRNA gene showed that strain AL662T belongs to the genus Thermococcus. On the basis of hybridization results, we propose that this strain should be placed in a new species, Thermococcus hydrothermalis.,
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