Article
Mitochondrial DNA sequences are present inside nuclear DNA in rat tissues and increase with age.
Mitochondrion - 1 Aug 2010
Caro Pilar, Gómez José, Arduini Alessandro, González-Sánchez Mónica, González-García Miriam, Borrás Consuelo, Viña José, Puertas María J, Sastre Juan, Barja Gustavo
Abstract excerpt
Mitochondrial DNA (mtDNA) mutations increase with age. However, the number of cells with predominantly mutated mtDNA is small in old animals. Here a new hypothesis is proposed: mtDNA fragments may insert into nuclear DNA contributing to aging and related diseases by alterations in the nucleus. Real-time PCR quantification shows that sequences of cytochrome oxidase III and 16S rRNA from mtDNA are present in highly...
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