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Slobodkina, G. B.; Kolganova, T. V.; Chernyh, N. A.; Querellou, Joel; Bonch-osmolovskaya, E. A.; Slobodkin, A. I.. |
A thermophilic, anaerobic, chemolithoautotrophic bacterium (designated strain SL50(T)) was isolated from a hydrothermal sample collected at the Mid-Atlantic Ridge from the deepest of the known World ocean hydrothermal fields, Ashadze field (12 degrees 58' 21 '' N 44 degrees 51' 47 '' W) at a depth of 4100 m. Cells of strain SL50(T) were motile, straight to bent rods with one polar flagellum, 0.5-0.6 mu m in width and 3.0-3.5 mu m in length. The temperature range for growth was 25-75 degrees C, with an optimum at 60 degrees C. The pH range for growth was 5.0-7.5, with an optimum at pH 6.5. Growth of strain SL50(T) was observed at NaCl concentrations ranging from 1.0 to 6.0% (w/v) with an optimum at 2.5 % (w/v). The generation time under optimal growth... |
Tipo: Text |
Palavras-chave: Thermophile; Archaeon. |
Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/2009/publication-6598.pdf |
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Slobodkina, G. B.; Kolganova, T. V.; Querellou, Joel; Bonch-osmolovskaya, E. A.; Slobodkin, A. I.. |
A hyperthermophilic, anaerobic, dissimilatory Fe(III)-reducing, facultatively chemolithoautotrophic archaeon (strain SBH6(T)) was isolated from a hydrothermal sample collected from the deepest of the known World Ocean hydrothermal fields, Ashadze field (12 degrees 58' 21 '' N 44 degrees 51' 47 '' W) on the Mid-Atlantic Ridge, at a depth of 4100 m. The strain was enriched using acetate as the electron donor and Fe(III) oxide as the electron acceptor. Cells of strain SBH6(T) were irregular cocci, 0.3-0.5 mu m in diameter. The temperature range for growth was 50-85 degrees C, with an optimum at 81 degrees C. The pH range for growth was 5.0-7.5, with an optimum at pH 6.8. Growth of SBH6(T) was observed at NaCl concentrations ranging from 1 to 6 % (w/v) with an... |
Tipo: Text |
Palavras-chave: Dissimilatory reduction; Microorganisms; Gradient. |
Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/2009/publication-6977.pdf |
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