Molecular and physiological role of the trehalose-hydrolyzing alpha-glucosidase from Thermus thermophilus HB27.

@article{Alarico2008MolecularAP,
  title={Molecular and physiological role of the trehalose-hydrolyzing alpha-glucosidase from Thermus thermophilus HB27.},
  author={Susana Alarico and Milton S. da Costa and Nuno Empadinhas},
  journal={Journal of bacteriology},
  year={2008},
  volume={190 7},
  pages={2298-305}
}
Trehalose supports the growth of Thermus thermophilus strain HB27, but the absence of obvious genes for the hydrolysis of this disaccharide in the genome led us to search for enzymes for such a purpose. We expressed a putative alpha-glucosidase gene (TTC0107), characterized the recombinant enzyme, and found that the preferred substrate was alpha,alpha-1,1-trehalose, a new feature among alpha-glucosidases. The enzyme could also hydrolyze the disaccharides kojibiose and sucrose (alpha-1,2 linkage… CONTINUE READING

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