The biosynthesis of inorganic selenium into seleno amino acids has been studied in recent years. Thus, it has been reported that Saccharomyces cerevisiae bioaccumulates selenium from the metabolism of inorganic selenium. Based on the studies conducted, several authors have proposed a biotransformation metabolism of selenate into selenomethionine or selenocysteine. However, the pathway in different yeast is unknown. Therefore, and given the relevance of Saccharomyces boulardii as probiotic yeast, this study aims to propose the pathway used by S. boulardii to biosynthesize inorganic selenium into organic species. A comparative in silico study was performed for Saccharomyces boulardii ASM141397V1 with the genome-scale metabolic model of Saccharomyces cerevisiae S288C. Orthologous genes were identified using BLASTp of NCBI. In addition, a circular representation was done using CIRCOS software. The metabolic pathway for the assimilation of selenium was proposed based on the results obtained
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