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Oncotarget
Article . 2015 . Peer-reviewed
Data sources: Crossref
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Oncotarget
Article
License: CC BY
Data sources: UnpayWall
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Oncotarget
Article . 2016
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Mitochondrial retrograde signaling inhibits the survival during prolong S/G2 arrest inSaccharomyces cerevisiae

Authors: Anna N, Zyrina; Maksim I, Sorokin; Sviatoslav S, Sokolov; Dmitry A, Knorre; Fedor F, Severin;

Mitochondrial retrograde signaling inhibits the survival during prolong S/G2 arrest inSaccharomyces cerevisiae

Abstract

Cell senescence is dependent on the arrest in cell cycle. Here we studied the role of mitochondrial retrograde response signaling in yeast cell survival under a prolonged arrest. We have found that, unlike G1, long-term arrest in mitosis or S phase results in a loss of colony-forming abilities. Consistent with previous observations, loss of mitochondrial DNA significantly increased the survival of arrested cells. We found that this was because the loss increases the duration of G1 phase. Unexpectedly, retrograde signaling, which is typically triggered by a variety of mitochondrial dysfunctions, was found to be a negative regulator of the survival after the release from S-phase arrest induced by the telomere replication defect. Deletion of retrograde response genes decreased the arrest-induced death in such cells, whereas deletion of negative regulator of retrograde signaling MKS1 had the opposite effect. We provide evidence that these effects are due to alleviation of the strength of the S-phase arrest.

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Keywords

Saccharomyces cerevisiae Proteins, Time Factors, Cell Death, Saccharomyces cerevisiae, DNA, Mitochondrial, Mitochondria, G2 Phase Cell Cycle Checkpoints, Repressor Proteins, Gene Expression Regulation, Fungal, Mutation, S Phase Cell Cycle Checkpoints, DNA, Fungal, Cellular Senescence, Signal Transduction

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    11
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
11
Top 10%
Average
Top 10%
gold