Duniesky Martínez

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Enzymes for use in the sugar industry are preferred to be thermotolerant. In this study, a synthetic codon-optimized gene encoding a highly thermostable β-fructosidase (BfrA, EC from the bacterium Thermotoga maritima was expressed in the yeast Pichia pastoris. The gradual increase of the transgene dosage from one to four copies under the control(More)
BACKGROUND An ideal immobilized biocatalyst for the industrial-scale production of invert sugar should stably operate at elevated temperatures (60-70°C) and high sucrose concentrations (above 60%, w/v). Commercial invertase from the yeast Saccharomyces cerevisiae is thermolabile and suffers from substrate inhibition. Thermotoga maritima β-fructosidase(More)
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