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The tremendous body of knowledge about genetics, cell biology, and metabolism of Saccharomyces cerevisiae, as well as its long history and robustness in industrial fermentations, have made this yeast one of the most popular microbial cell factories. Novel genetic tools have enabled the rapid construction of strains producing various platform chemicals, fuels, or pharmaceuticals. The relevance of synthetic biology approaches, such as the construction of fully synthetic genomes and artificial cellular compartments are not only relevant for biotechnological applications but can also lead to new insight into basic principles of life.
Microbial production of chemicals is a sustainable alternative to conventional industrial processes. However, the implementation of exogenous metabolic pathways is hampered by slow diffusion rates, competing pathways, or secretion of intermediates. Pre-existing organelles have been harnessed to overcome these problems, but these approaches suffer from interference with endogenous pathways. We have developed a new concept for the compartmentalization of enzymatic pathways in ER-derived vesicles.