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A causal link between respiration and senescence in Podospora anserina
Open accessAbstract
Senescence, a progressive degenerative process leading to age-related increase in mortality, is found in most eukaryotes. However, the molecular events underlying aging remain largely unknown. Understanding how longevity is regulated is a fundamental problem. Here we demonstrate that the respiratory function is a key factor that contributes to shortening lifespan of the filamentous fungus Podospora anserina . In this organism, senescence is systematically associated with mitochondrial DNA instabilities. We show that inactivation of the nuclear COX5 gene encoding subunit V of the cytochrome c oxidase complex leads to the exclusive use of the alternative respiratory pathway and to a decrease in production of reactive oxygen species. This inactivation results in a striking increase of longevity associated with stabilization of the mitochondrial chromosome. Moreover, accumulation of several senescence-specific mitochondrial DNA molecules is prevented in this nuclear mutant. These findings provide direct evidence of a causal link between mitochondrial metabolism and longevity in Podospora anserina .
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A mutation in succinate dehydrogenase cytochrome b causes oxidative stress and ageing in nematodes.
Ishii, N., Fujii, M., Hartman, P. S., Tsuda, M., Yasuda, K., Senoo-Matsuda, N., Yanase, S., Ayusawa, D., & Suzuki, K. (1998) · Nature · doi:10.1038/29331 · Cited by 687
Interorganelle signaling is a determinant of longevity in Saccharomyces cerevisiae
Kirchman, P. A., Kim, S., Lai, C.-Y., & Jazwinski, S. M. (1999) · Genetics · doi:10.1093/genetics/152.1.179 · Cited by 328
Cited by
Trends in oxidative aging theories
Muller, F. L., Lustgarten, M. S., Jang, Y., Richardson, A., & Van Remmen, H. (2007) · Free Radical Biology and Medicine · doi:10.1016/j.freeradbiomed.2007.03.034 · Cited by 1,053
Strigolactones Stimulate Arbuscular Mycorrhizal Fungi by Activating Mitochondria
Besserer, A., Puech-Pagès, V., Kiefer, P., Gomez-Roldan, V., Jauneau, A., Roy, S., Portais, J.-C., Roux, C., Bécard, G., & Séjalon-Delmas, N. (2006) · PLoS Biology · doi:10.1371/journal.pbio.0040226 · Cited by 872
Somatic mtDNA mutations cause aging phenotypes without affecting reactive oxygen species production
Trifunovic, A., Hansson, A., Wredenberg, A., Rovio, A. T., Dufour, E., Khvorostov, I., Spelbrink, J. N., Wibom, R., Jacobs, H. T., & Larsson, N.-G. (2005) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0508886102 · Cited by 555
Self-citationAn Attempt to Prevent Senescence: A Mitochondrial Approach
Skulachev, V. P., Anisimov, V. N., Antonenko, Y. N., Bakeeva, L. E., Chernyak, B. V., Erichev, V. P., Filenko, O. F., Kalinina, N. I., Kapelko, V. I., Kolosova, N. G., et al. (2009) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/j.bbabio.2008.12.008 · Cited by 430
Doonan, R., McElwee, J. J., Matthijssens, F., Walker, G. A., Houthoofd, K., Back, P., Matscheski, A., Vanfleteren, J. R., & Gems, D. (2008) · Genes & Development · doi:10.1101/gad.504808 · Cited by 423
Metadata
- Authors
- Dufour, E., Boulay, J., Rincheval, V., & Sainsard-Chanet, A.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2000-04-04
- Volume
- 97
- Issue
- 8
- Pages
- 4138-4143
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1989711396
- Cited by
- 170
- References
- 2
- FWCI
- 2.75
- Type
- journal article
- Language
- en
- Open access
- green
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- Dufour, E., Boulay, J., Rincheval, V., & Sainsard-Chanet, A. (2000). A causal link between respiration and senescence in Podospora anserina. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.070501997
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