Abstract
Saccharomyces yeasts have evolved into an important model system to study mitonuclear incompatibilities, thanks to recent advances in the field of sequencing, yeast hybridisation and multigenerational breeding. Yeast hybrids contain two homologous proteomes but retain only one type of mitochondria allowing studies on the effect of mitochondria on phenotype and gene expression. Here, we discuss the recent developments in the growing field of yeast mitogenomics spanning from the impact that this organelle has in shaping yeast fitness and genome evolution to the dissection of molecular determinants of mitonuclear incompatibilities. Applying the state-of-the-art genetic tools to a broader range of natural yeast species from different environments will help progress the field and untap the mitochondrial potential in strain development.
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