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Biosurfactants are a class of functional molecules produced and secreted by microorganisms, which play important roles in cell physiology such as flagellum-dependent or -independent bacterial spreading, cell signaling, and biofilm formation. They are amphipathic compounds and comprise a variety of chemical structures, including rhamnolipids, typically(More)
One of the most interesting aspects of Trypanosoma cruzi is its adaptation to obtain sialic acid from its host, fulfilling this need exclusively through the reaction catalyzed by enzymatically active trans-sialidase (aTS), thought to play an important role in the pathogenesis of Chagas' disease. Herein, we report that(More)
We have recently demonstrated that heterologous expression of a bacterial xylose isomerase gene (xylA) of Burkholderia cenocepacia enabled a laboratorial Saccharomyces cerevisiae strain to ferment xylose anaerobically, without xylitol accumulation. However, the recombinant yeast fermented xylose slowly. In this study, an evolutionary engineering strategy(More)
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