Mitochondrial dynamics and autophagy aid in removal of persistent mitochondrial DNA damage in Caenorhabditis elegans.
Mitochondrial dynamics and autophagy aid in removal of persistent mitochondrial DNA damage in Caenorhabditis elegans.
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DOI:
10.1093/nar/gks532
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发表时间:
2012-09
影响因子:
14.9
通讯作者:
Meyer JN
中科院分区:
文献类型:
--
作者:
Bess AS;Crocker TL;Ryde IT;Meyer JN
Mitochondria lack the ability to repair certain helix-distorting lesions that are induced at high levels in mitochondrial DNA (mtDNA) by important environmental genotoxins and endogenous metabolites. These lesions are irreparable and persistent in the short term, but their long-term fate is unknown. We report that removal of such mtDNA damage is detectable by 48 h in Caenorhabditis elegans, and requires mitochondrial fusion, fission and autophagy, providing genetic evidence for a novel mtDNA damage removal pathway. Furthermore, mutations in genes involved in these processes as well as pharmacological inhibition of autophagy exacerbated mtDNA damage-mediated larval arrest, illustrating the in vivo relevance of removal of persistent mtDNA damage. Mutations in genes in these pathways exist in the human population, demonstrating the potential for important gene–environment interactions affecting mitochondrial health after genotoxin exposure.
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影响因子:
7.8
作者:
ASHFORD, T P;PORTER, K R
通讯作者:
PORTER, K R
影响因子:
8
作者:
Ashley N;Poulton J
通讯作者:
Poulton J
影响因子:
64.5
作者:
Chen H;Vermulst M;Wang YE;Chomyn A;Prolla TA;McCaffery JM;Chan DC
通讯作者:
Chan DC
DOI:
10.1083/jcb.200211046
发表时间:
2003-01-20
期刊:
The Journal of cell biology
影响因子:
--
作者:
Chen H;Detmer SA;Ewald AJ;Griffin EE;Fraser SE;Chan DC
通讯作者:
Chan DC
影响因子:
4.8
作者:
Aamann, Maria D.;Sorensen, Martin M.;Bohr, Vilhelm A.
通讯作者:
Bohr, Vilhelm A.