Influence of temperature on sodium and potassium intracellular contents of Clostridium neopropionicum, a strictly anaerobic bacterium isolated from methanogenic plants
1995
Tholozan, J.L. | Chihib, N. (INRA, Villeneuve d'Ascq (France). Lab. des Genies des Procedes et de Technologie Alimentaire)
Clostridium neopropionicum is a strictly anaerobic acetogenic bacterium isolated from methanogenic ecosystems. It fermented ethanol to acetate and propionate. Dense resting cell suspensions demonstrated a steady-state sodium level, and a progressive efflux of potassium. Growth at a temperature different from the optimal value resulted in a cellular sodium accumulation. These results suggest possible modifications of the cell physiology, and a possible implication of sodium ions in cell energetics.
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