How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems

Eukaryotic cells frequently experience fluctuations of the external and internal environments, such as changes in nutrient, energy and oxygen sources, and protein folding status, which, after reaching a particular threshold, become a type of stress. Cells develop several ways to deal with these vari...

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Main Authors: Yuchen Lei, Yuxiang Huang, Xin Wen, Zhangyuan Yin, Zhihai Zhang, Daniel J. Klionsky
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Antioxidants
Subjects:
Online Access:https://www.mdpi.com/2076-3921/11/2/304
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author Yuchen Lei
Yuxiang Huang
Xin Wen
Zhangyuan Yin
Zhihai Zhang
Daniel J. Klionsky
author_facet Yuchen Lei
Yuxiang Huang
Xin Wen
Zhangyuan Yin
Zhihai Zhang
Daniel J. Klionsky
author_sort Yuchen Lei
collection DOAJ
description Eukaryotic cells frequently experience fluctuations of the external and internal environments, such as changes in nutrient, energy and oxygen sources, and protein folding status, which, after reaching a particular threshold, become a type of stress. Cells develop several ways to deal with these various types of stress to maintain homeostasis and survival. Among the cellular survival mechanisms, autophagy is one of the most critical ways to mediate metabolic adaptation and clearance of damaged organelles. Autophagy is maintained at a basal level under normal growing conditions and gets stimulated by stress through different but connected mechanisms. In this review, we summarize the advances in understanding the autophagy regulation mechanisms under multiple types of stress including nutrient, energy, oxidative, and ER stress in both yeast and mammalian systems.
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spelling doaj.art-fd2394ee8f6e48e8a001a22381f017c52023-11-23T18:31:40ZengMDPI AGAntioxidants2076-39212022-02-0111230410.3390/antiox11020304How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian SystemsYuchen Lei0Yuxiang Huang1Xin Wen2Zhangyuan Yin3Zhihai Zhang4Daniel J. Klionsky5Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USALife Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USALife Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USALife Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USALife Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USALife Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USAEukaryotic cells frequently experience fluctuations of the external and internal environments, such as changes in nutrient, energy and oxygen sources, and protein folding status, which, after reaching a particular threshold, become a type of stress. Cells develop several ways to deal with these various types of stress to maintain homeostasis and survival. Among the cellular survival mechanisms, autophagy is one of the most critical ways to mediate metabolic adaptation and clearance of damaged organelles. Autophagy is maintained at a basal level under normal growing conditions and gets stimulated by stress through different but connected mechanisms. In this review, we summarize the advances in understanding the autophagy regulation mechanisms under multiple types of stress including nutrient, energy, oxidative, and ER stress in both yeast and mammalian systems.https://www.mdpi.com/2076-3921/11/2/304autophagyenergy stressER stressnutrient stressoxidative stressregulation
spellingShingle Yuchen Lei
Yuxiang Huang
Xin Wen
Zhangyuan Yin
Zhihai Zhang
Daniel J. Klionsky
How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
Antioxidants
autophagy
energy stress
ER stress
nutrient stress
oxidative stress
regulation
title How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
title_full How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
title_fullStr How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
title_full_unstemmed How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
title_short How Cells Deal with the Fluctuating Environment: Autophagy Regulation under Stress in Yeast and Mammalian Systems
title_sort how cells deal with the fluctuating environment autophagy regulation under stress in yeast and mammalian systems
topic autophagy
energy stress
ER stress
nutrient stress
oxidative stress
regulation
url https://www.mdpi.com/2076-3921/11/2/304
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