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Mitochondrial content is higher in Δ8 cells and does not decrease during aging. Genomes of individual clones (four young and four old at each cycle) were sequenced following 2, 4, and 6 cycles of aging. Xmt coverage (mitochondrial genome) divided by Xnuc coverage (nuclear genome) is shown. (A) Mitochondrial genome abundance of young WT and Δ8 cells following 2 and 6 cycles. (B) Mitochondrial genome abundance of old WT and Δ8 cells following 2 and 6 cycles.
