Regulation of respiration in plants: A role for alternative metabolic pathways

Respiratory metabolism includes the reactions of glycolysis, the tricarboxylic acid cycle and the mitochondrial electron transport chain, but is also directly linked with many other metabolic pathways such as protein and lipid biosynthesis and photosynthesis via photorespiration. Furthermore, any ch...

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Published in:Journal of plant physiology 2011-08, Vol.168 (12), p.1434-1443
Main Authors: van Dongen, Joost T., Gupta, Kapuganti J., Ramírez-Aguilar, Santiago J., Araújo, Wagner L., Nunes-Nesi, Adriano, Fernie, Alisdair R.
Format: Article
Language:English
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Cell Respiration - drug effects
Control
Cytochromes - metabolism
Flexibility
Glycolysis
Lipids
Metabolic Networks and Pathways - drug effects
Metabolism
Mitochondria
Oxidative phosphorylation
Oxygen - pharmacology
Pathways
Plant Proteins - metabolism
Plants (organisms)
Plants - drug effects
Plants - enzymology
Plants - metabolism
Respiration
TCA cycle
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Summary:Respiratory metabolism includes the reactions of glycolysis, the tricarboxylic acid cycle and the mitochondrial electron transport chain, but is also directly linked with many other metabolic pathways such as protein and lipid biosynthesis and photosynthesis via photorespiration. Furthermore, any change in respiratory activity can impact the redox status of the cell and the production of reactive oxygen species. In this review, it is discussed how respiration is regulated and what alternative pathways are known that increase the metabolic flexibility of this vital metabolic process. By looking at the adaptive responses of respiration to hypoxia or changes in the oxygen availability of a cell, the integration of regulatory responses of various pathways is illustrated.
ISSN:0176-1617
1618-1328
DOI:10.1016/j.jplph.2010.11.004