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Andy Warhol‐like portrait of budding yeasts by Jacob L. Steenwyk (https://jlsteenwyk.com/arts.html). For further details, readers are referred to the article by Steenwyk on page 55 of issue 1.
Acetic acid stress represents a frequent challenge to counteract for yeast cells under several environmental conditions and industrial bioprocesses. The molecular mechanisms underlying its response have been mostly elucidated in the budding yeast Saccharomyces cerevisiae, where acetic acid can be either a physiological substrate or a stressor. This review will focus on acetic acid stress and its...
The reduced form of nicotinamide adenine dinucleotide phosphate (NADPH), which is required for various redox systems involving antioxidative stress enzymes, is thus important for stress tolerance mechanisms. Here, we analyzed the stress response of the NADPH‐depleted cells of Saccharomyces cerevisiae. A cell viability assay showed that the NADPH depletion induced by disruption of the ZWF1 gene encoding...
In the present study, the adaptive evolution of a metabolically engineered Saccharomyces cerevisiae strain in the presence of an enzyme inhibitor terbinafine for enhanced squalene accumulation via serial transfer leads to the development of robust strains. After adaptation for nearly 1500 h, a strain with higher squalene production efficiency was identified at a specific growth rate of 0.28 h−1 with...
Unicellular organisms, like yeast, have developed mechanisms to overcome environmental stress conditions like nutrient starvation. Autophagy and sporulation are two such mechanisms employed by yeast cells. Autophagy is a well‐conserved, catabolic process that degrades excess and unwanted cytoplasmic materials and provides building blocks during starvation conditions. Thus, autophagy maintains cellular...
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