Cell Metab 2015[May]; 21 (5): 658-9 PMID25955200show ga
Asymmetric distribution of damaged cellular constituents may occur during mitosis, resulting in more and less pristine daughter cell pairs. In Science,Katajisto et al., (2015) report that mammary stemlike cells (SLCs) unequally apportion older mitochondria to post-division daughter cells, with the daughter containing younger mitochondria maintaining the SLC pool.