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Inhibition of the electron transport strongly affects transcription and transcript levels in Arabidopsis mitochondria.
- Source :
-
Mitochondrion [Mitochondrion] 2014 Nov; Vol. 19 Pt B, pp. 222-30. Date of Electronic Publication: 2014 Mar 31. - Publication Year :
- 2014
-
Abstract
- Mitochondrial transcription rate and RNA steady-state levels were examined in shoots of Arabidopsis seedlings. The shoots were treated with inhibitors of complex III and IV of the cytochrome pathway (CP) and with an inhibitor of the alternative oxidase (AOX) of the mitochondrial electron transport chain. The inhibition of AOX and CP complexes III and IV affected transcription and transcript levels in different ways. CP and AOX inhibitors had opposite effects. Our data support the idea that the redox state of the electron transport chain is involved in the regulation of mitochondrial gene expression at transcriptional and post-transcriptional levels.<br /> (Copyright © 2014 Elsevier B.V. and Mitochondria Research Society. All rights reserved.)
- Subjects :
- Enzyme Inhibitors metabolism
Oxidation-Reduction
Plant Shoots drug effects
Plant Shoots metabolism
RNA metabolism
RNA, Mitochondrial
Seedlings drug effects
Seedlings metabolism
Arabidopsis drug effects
Arabidopsis metabolism
Electron Transport drug effects
Mitochondria drug effects
Mitochondria metabolism
RNA, Messenger biosynthesis
Transcription, Genetic drug effects
Subjects
Details
- Language :
- English
- ISSN :
- 1872-8278
- Volume :
- 19 Pt B
- Database :
- MEDLINE
- Journal :
- Mitochondrion
- Publication Type :
- Academic Journal
- Accession number :
- 24699356
- Full Text :
- https://doi.org/10.1016/j.mito.2014.03.011