![]() Appl Environ Microbiol 32: 781–791īergmeyer HU (1974) Methoden der enzymatischen Analyse. Erzmetall 26: 544–555īalch WE, Wolfe RS (1976) New approach to the cultivation of methanogenic bacteria: 2-mercaptoethanesulfonic acid (HS-CoM)-dependent growth of Methanobacterium ruminantium in a pressurized atmosphere. Type species is Flexistipes sinusarabici strain MAS 10 (DSM 4947).īäcker H (1973) Rezente hydrothermal-sedimentäre Lagerstättenbildung. Since they show no specific relationship to any of them, a new genus is described, which is named Flexistipes, the flexible stick. Based on their 16S rRNA the new isolates group with the general cluster of eubacterial phyla. ![]() Cells are sensitive to the antibiotics penicillin, ampicillin, vancomycin, and streptomycin, but resistant to tetracyclin and rifamipicin. The shortest doubling time is 8.5 h under optimal growth conditions. Growth occurs between 30% and 53☌ at pH 6 to 8 in the presence of at least 3% NaCl. The new organisms are heterotrophs growing anaerobically on yeast extract, meat extract, peptone, tryptone, and, less efficiently, on acetate and casamino acids. Cells are nonmotile, flexible rods, measuring about 0.3 μm in width and 5 to 50 μm in length. One isolate (MAS 10) was studied in detail. ![]() Four isolates of a gram-negative flexible bacterium have been obtained from brine water samples of the Atlantis II Deep of the Red Sea at a depth of 2000 m. ![]()
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