Glycine betaine transport in the obligate halophilic archaeon Methanohalophilus portucalensis.

Abstract

Transport of the osmoprotectant glycine betaine was investigated using the glycine betaine-synthesizing microbe Methanohalophilus portucalensis (strain FDF1), since solute uptake for this class of obligate halophilic methanogenic Archaea has not been examined. Betaine uptake followed a Michaelis-Menten relationship, with an observed K(t) of 23 microM and a… (More)

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