Asymmetric inheritance of mitochondria in yeast.

Asymmetric inheritance of mitochondria in yeast. Biol Chem. 2019 Dec 01;: Authors: Klecker T, Westermann B Abstract Mitochondria are essential organelles of virtually all eukaryotic organisms. As they cannot be made de novo, they have to be inherited during cell division. In this review, we provide an overview on mitochondrial inheritance in Saccharomyces cerevisiae, a powerful model organism to study asymmetric cell division. Several processes have to be coordinated during mitochondrial inheritance: Mitochondrial transport along the actin cytoskeleton into the emerging bud is powered by a myosin motor protein; cell cortex anchors retain a critical fraction of mitochondria in the mother cell and bud to ensure proper partitioning; and the quantity of mitochondria inherited to the bud is controlled during cell cycle progression. Asymmetric division of yeast cells produces rejuvenated daughter cells and aging mother cells that die after a finite number of cell divisions. We highlight the critical role of mitochondria in this process and discuss how asymmetric mitochondrial partitioning and cellular aging are connected. PMID: 31967958 [PubMed - as supplied by publisher]
Source: Biological Chemistry - Category: Chemistry Tags: Biol Chem Source Type: research