Identification of GH15 Family Thermophilic Archaeal Trehalases That Function within a Narrow Acidic-pH Range.

Two glucoamylase-like genes, TVN1315 and Ta0286, from the archaea Thermoplasma volcanium and T. acidophilum, respectively, were expressed in Escherichia coli. The gene products, TVN1315 and Ta0286, were identified as archaeal trehalases.