Mitochondrial ROS signalling requires uninterrupted electron flow and is lost during ageing in flies.
Mitochondrial ROS signalling requires uninterrupted electron flow and is lost during ageing in flies.
复制标题
DOI:
10.1007/s11357-022-00555-x
复制
发表时间:
2022-08
期刊:
影响因子:
5.6
通讯作者:
Sanz, Alberto
中科院分区:
文献类型:
--
作者:
Graham, Charlotte;Stefanatos, Rhoda;Yek, Angeline E. H.;Spriggs, Ruth, V;Loh, Samantha H. Y.;Uribe, Alejandro Huerta;Zhang, Tong;Martins, L. Miguel;Maddocks, Oliver D. K.;Scialo, Filippo;Sanz, Alberto
关键词:
Mitochondrial reactive oxygen species (mtROS) are cellular messengers essential for cellular homeostasis. In response to stress, reverse electron transport (RET) through respiratory complex I generates high levels of mtROS. Suppression of ROS production via RET (ROS-RET) reduces survival under stress, while activation of ROS-RET extends lifespan in basal conditions. Here, we demonstrate that ROS-RET signalling requires increased electron entry and uninterrupted electron flow through the electron transport chain (ETC). We find that in old fruit flies, ROS-RET is abolished when electron flux is decreased and that their mitochondria produce consistently high levels of mtROS. Finally, we demonstrate that in young flies, limiting electron exit, but not entry, from the ETC phenocopies mtROS generation observed in old individuals. Our results elucidate the mechanism by which ROS signalling is lost during ageing. The online version contains supplementary material available at 10.1007/s11357-022-00555-x.
登录
查看更多内容
影响因子:
4
作者:
Jevtov I;Zacharogianni M;van Oorschot MM;van Zadelhoff G;Aguilera-Gomez A;Vuillez I;Braakman I;Hafen E;Stocker H;Rabouille C
通讯作者:
Rabouille C
DOI:
10.1042/bj20081386
发表时间:
2009-01-01
期刊:
The Biochemical journal
影响因子:
--
作者:
Murphy MP
通讯作者:
Murphy MP
影响因子:
29
作者:
Cochemé HM;Quin C;McQuaker SJ;Cabreiro F;Logan A;Prime TA;Abakumova I;Patel JV;Fearnley IM;James AM;Porteous CM;Smith RA;Saeed S;Carré JE;Singer M;Gems D;Hartley RC;Partridge L;Murphy MP
通讯作者:
Murphy MP
DOI:
10.15252/embj.201592862
发表时间:
2016-04-01
期刊:
The EMBO journal
影响因子:
--
作者:
Correia-Melo C;Marques FD;Anderson R;Hewitt G;Hewitt R;Cole J;Carroll BM;Miwa S;Birch J;Merz A;Rushton MD;Charles M;Jurk D;Tait SW;Czapiewski R;Greaves L;Nelson G;Bohlooly-Y M;Rodriguez-Cuenca S;Vidal-Puig A;Mann D;Saretzki G;Quarato G;Green DR;Adams PD;von Zglinicki T;Korolchuk VI;Passos JF
通讯作者:
Passos JF
影响因子:
64.5
作者:
López-Otín C;Blasco MA;Partridge L;Serrano M;Kroemer G
通讯作者:
Kroemer G