Acid Stress Triggers Resistance to Acetic Acid-Induced Regulated Cell Death through Hog1 Activation Which Requires RTG2 in Yeast
Joint Authors
Stirpe, Mariarita
Marzulli, Domenico
Guaragnella, Nicoletta
Mazzoni, Cristina
Giannattasio, Sergio
Source
Oxidative Medicine and Cellular Longevity
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-02-25
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Acid stress causes resistance to acetic acid-induced regulated cell death (AA-RCD) in budding yeast, resulting in catalase activation.
In order to explore the molecular determinants of evasion of AA-RCD triggered by acid stress adaptation, we studied the involvement and the possible interplay of the master regulator of transcription high-osmolarity glycerol 1 (HOG1) and RTG2, a positive regulator of the RTG-dependent mitochondrial retrograde signaling.
Viability, DNA fragmentation, and ROS accumulation have been analyzed in wild-type and mutant cells lacking HOG1 and/or RTG2.
Catalase activity and transcription of CTT1 and CTA1, coding the cytosolic and peroxisomal/mitochondrial catalase, respectively, as well as Hog1 phosphorylation, were also analyzed.
Our results show that HOG1 is essential for resistance to AA-RCD and its activation results in the upregulation of CTT1, but not CTA1, transcription during acid stress adaptation.
RTG2 is required for Hog1-dependent CTT1 upregulation upon acid stress, despite failure of RTG pathway activation.
We give evidence that Rtg2 has a cytoprotective role and can act as a general cell stress sensor independent of Rtg1/3-dependent transcription.
American Psychological Association (APA)
Guaragnella, Nicoletta& Stirpe, Mariarita& Marzulli, Domenico& Mazzoni, Cristina& Giannattasio, Sergio. 2019. Acid Stress Triggers Resistance to Acetic Acid-Induced Regulated Cell Death through Hog1 Activation Which Requires RTG2 in Yeast. Oxidative Medicine and Cellular Longevity،Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1203774
Modern Language Association (MLA)
Guaragnella, Nicoletta…[et al.]. Acid Stress Triggers Resistance to Acetic Acid-Induced Regulated Cell Death through Hog1 Activation Which Requires RTG2 in Yeast. Oxidative Medicine and Cellular Longevity No. 2019 (2019), pp.1-9.
https://search.emarefa.net/detail/BIM-1203774
American Medical Association (AMA)
Guaragnella, Nicoletta& Stirpe, Mariarita& Marzulli, Domenico& Mazzoni, Cristina& Giannattasio, Sergio. Acid Stress Triggers Resistance to Acetic Acid-Induced Regulated Cell Death through Hog1 Activation Which Requires RTG2 in Yeast. Oxidative Medicine and Cellular Longevity. 2019. Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1203774
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1203774