Nutrient Signaling, Stress Response, and Inter-organelle Communication Are Non-canonical Determinants of Cell Fate
Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved..
Isogenic cells manifest distinct cellular fates for a single stress; however, the nongenetic mechanisms driving such fates remain poorly understood. Here, we implement a robust multi-channel live-cell imaging approach to uncover noncanonical factors governing cell fate. We show that in response to acute glucose removal (AGR), budding yeast undergoes distinct fates, becoming either quiescent or senescent. Senescent cells fail to resume mitotic cycles following glucose replenishment but remain responsive to nutrient stimuli. Whereas quiescent cells manifest starvation-induced adaptation, senescent cells display perturbed endomembrane trafficking and defective nucleus-vacuole junction (NVJ) expansion. Surprisingly, senescence occurs even in the absence of lipid droplets. Importantly, we identify the nutrient-sensing kinase Rim15 as a key biomarker predicting cell fates before AGR stress. We propose that isogenic yeast challenged with acute nutrient shortage contains determinants influencing post-stress fate and demonstrate that specific nutrient signaling, stress response, trafficking, and inter-organelle biomarkers are early indicators for long-term fate outcomes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:33 |
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| Enthalten in: |
Cell reports - 33(2020), 9 vom: 01. Dez., Seite 108446 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wood, N Ezgi [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.12.2021 Date Revised 13.12.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1016/j.celrep.2020.108446 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM318307987 |
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| 245 | 1 | 0 | |a Nutrient Signaling, Stress Response, and Inter-organelle Communication Are Non-canonical Determinants of Cell Fate |
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| 500 | |a Date Revised 13.12.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Isogenic cells manifest distinct cellular fates for a single stress; however, the nongenetic mechanisms driving such fates remain poorly understood. Here, we implement a robust multi-channel live-cell imaging approach to uncover noncanonical factors governing cell fate. We show that in response to acute glucose removal (AGR), budding yeast undergoes distinct fates, becoming either quiescent or senescent. Senescent cells fail to resume mitotic cycles following glucose replenishment but remain responsive to nutrient stimuli. Whereas quiescent cells manifest starvation-induced adaptation, senescent cells display perturbed endomembrane trafficking and defective nucleus-vacuole junction (NVJ) expansion. Surprisingly, senescence occurs even in the absence of lipid droplets. Importantly, we identify the nutrient-sensing kinase Rim15 as a key biomarker predicting cell fates before AGR stress. We propose that isogenic yeast challenged with acute nutrient shortage contains determinants influencing post-stress fate and demonstrate that specific nutrient signaling, stress response, trafficking, and inter-organelle biomarkers are early indicators for long-term fate outcomes | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Bayesian analysis | |
| 650 | 4 | |a LD | |
| 650 | 4 | |a NVJ | |
| 650 | 4 | |a cell cycle | |
| 650 | 4 | |a cellular decision making | |
| 650 | 4 | |a lipid droplet | |
| 650 | 4 | |a nucleus-vacuole junction | |
| 650 | 4 | |a quantitative imaging | |
| 650 | 4 | |a quiescence | |
| 650 | 4 | |a senescence | |
| 650 | 4 | |a statistical evidence | |
| 700 | 1 | |a Kositangool, Piya |e verfasserin |4 aut | |
| 700 | 1 | |a Hariri, Hanaa |e verfasserin |4 aut | |
| 700 | 1 | |a Marchand, Ashley J |e verfasserin |4 aut | |
| 700 | 1 | |a Henne, W Mike |e verfasserin |4 aut | |
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