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| Bes, Meline; Merrouch, Meriem; Joseph, Manon; Quemeneur, Marianne; Payri, Claude; Pelletier, Bernard; Ollivier, Bernard; Fardeau, Marie-laure; Erausol, Gael; Postec, Anne. |
| A novel anaerobic bacterial strain, ST07-YET, was isolated from a carbonate chimney of the Prony Hydrothermal Field (PHF) in New Caledonia. Cells were Gram-stain-positive, straight rods (0.7-0.8 x 3.0-5.0 mu m) and motile by means of lateral flagella. Strain ST07-YET was mesophilic (optimum 35 degrees C), moderately alkaliphilic and halotolerant (optimum pH 8.7 and 5 gr l(-1) NaCl). Elemental sulfur, sulfate, thiosulfate, sulfite, nitrate and nitrite were not used as terminal electron acceptors. Yeast extract, peptone, tryptone, Casamino acids, crotonate, pyruvate, galactose, maltose, sucrose, ribose, trehalose and glucose were used as carbon sources. Glucose fermentation led to acetate, H-2 and CO2 formation. Arginine, serine, histidine, lysine,... |
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| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00467/57917/60305.pdf |
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| Mei, Nan; Postec, Anne; Erauso, Gael; Joseph, Manon; Pelletier, Bernard; Payri, Claude; Ollivier, Bernard; Quemeneur, Marianne. |
| A novel anaerobic, alkaliphilic, Gram-stain-positive, spore-forming bacterium was isolated from a carbonaceous hydrothermal chimney in Prony Bay, New Caledonia. This bacterium, designated strain 3b(T), grew at temperatures from 30 to 43 degrees C (optimum 37 degrees C) and at pH between 7.8 and 10.1 (optimum 9.5). Added NaCl was not required for growth (optimum 0-0.2 %, w/v), but was tolerated at up to 4 %. Yeast extract was required for growth. Strain 3b(T) utilized crotonate, lactate and pyruvate, but not sugars. Crotonate was dismutated to acetate and butyrate. Lactate was disproportionated to acetate and propionate. Pyruvate was degraded to acetate plus trace amounts of hydrogen. Growth on lactate was improved by the addition of fumarate, which was... |
| Tipo: Text |
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| Ano: 2016 |
URL: https://archimer.ifremer.fr/doc/00467/57912/60312.pdf |
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