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Various sulphate-reducing bacteria differing in the number of genes encoding hydrogenase were shown to ferment lactate in coculture with Methanospirillum hungatei, in the absence of sulphate. The efficiency of interspecies H 2 transfer carried out by these species of sulphate-reducing bacteria does not appear to correlate with the distribution of genes coding for hydrogenase.Desulfovibrio...
Potassium pollution of rivers like the Werra, Weser and Rhine directly affects the energy metabolism of indigenous amphipods. After environmental pollution by KCl (10.0 mmol 1 -1 ), the heat dissipation of Gammarus pulex and G. tigrinus, estimated by microcalorimetry, increases significantly in two steps. Using 31 P NMR spectroscopy, the metabolic origin of the increasing...
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