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Are mitochondrial structural genes selectively amplified during senescence in Podospora anserina?

April 26, 2017amplified anserina genes mitochondrial podospora selectively senescence structural

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Are mitochondrial structural genes selectively amplified during senescence in Podospora anserina?

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Genetic and transcriptional maps have been constructed for the mitochondrial genome of the Ascomycete Podospora anserina. These data have been plotted on the restriction maps for Sal I, Xho I, Bam HI, Eco RI, BgI II and Hae III. We have characterized and cloned a new and unique senescent mitochondrial DNA (beta-event senDNA) and have organized all of the recognized senDNAs on the genomic maps. We make the observation that all of the known and characterized senDNAs are derived from specific genes or gene regions of the young mitochondrial genome. We have unambiguously assigned the alpha-event senDNA (the 2.6 kb monomer) to the oxi3 gene locus and the beta-event senDNA to the oxi2 gene locus.