The roles of reactive oxygen metabolism in drought: not so cut and dried

G Noctor, A Mhamdi, CH Foyer - Plant physiology, 2014 - academic.oup.com
Drought is considered to cause oxidative stress, but the roles of oxidant-induced
modifications in plant responses to water deficit remain obscure. Key unknowns are the …

Redox regulation in photosynthetic organisms: signaling, acclimation, and practical implications

CH Foyer, G Noctor - Antioxidants & redox signaling, 2009 - liebertpub.com
Reactive oxygen species (ROS) have multifaceted roles in the orchestration of plant gene
expression and gene-product regulation. Cellular redox homeostasis is considered to be an …

Selenium-induced up-regulation of the antioxidant defense and methylglyoxal detoxification system reduces salinity-induced damage in rapeseed seedlings

M Hasanuzzaman, MA Hossain, M Fujita - Biological trace element …, 2011 - Springer
The present study investigates the regulatory role of exogenous selenium (Se) in the
antioxidant defense and methylglyoxal (MG) detoxification systems in rapeseed seedlings …

Metabolic signalling in defence and stress: the central roles of soluble redox couples

G Noctor - Plant, Cell & Environment, 2006 - Wiley Online Library
Plant growth and development are driven by electron transfer reactions. Modifications of
redox components are both monitored and induced by cells, and are integral to responses to …

Mitochondrial malate dehydrogenase lowers leaf respiration and alters photorespiration and plant growth in Arabidopsis

T Tomaz, M Bagard, I Pracharoenwattana… - Plant …, 2010 - academic.oup.com
Malate dehydrogenase (MDH) catalyzes a reversible NAD+-dependent-dehydrogenase
reaction involved in central metabolism and redox homeostasis between organelle …

Overexpression of dehydroascorbate reductase, but not monodehydroascorbate reductase, confers tolerance to aluminum stress in transgenic tobacco

L Yin, S Wang, AE Eltayeb, MI Uddin, Y Yamamoto… - Planta, 2010 - Springer
Aluminum (Al) inhibits plant growth partly by causing oxidative damage that is promoted by
reactive oxygen species and can be prevented by improving antioxidant capacity. Ascorbic …

[KNIHA][B] Ascorbate-glutathione pathway and stress tolerance in plants

NA Anjum, S Umar, MT Chan - 2010 - books.google.com
Plants are sessile organisms that live under a constant barrage of biotic and abiotic insults.
Both biotic and abiotic stress factors have been shown to affect various aspects of plant …

The missing step of the l-galactose pathway of ascorbate biosynthesis in plants, an l-galactose guanyltransferase, increases leaf ascorbate content

WA Laing, MA Wright, J Cooney… - Proceedings of the …, 2007 - National Acad Sciences
The gene for one postulated enzyme that converts GDP-l-galactose to l-galactose-1-
phosphate is unknown in the l-galactose pathway of ascorbic acid biosynthesis and a …

Vitamin C: the metabolism and functions of ascorbic acid in plants

N Smirnoff - Advances in botanical research, 2011 - Elsevier
It is widely accepted that the predominant ascorbate biosynthesis pathway in green plants is
via GDP-mannose and l-galactose. d-galacturonic, d-glucuronic acid and GDP-l-gulose …

Silencing of the Mitochondrial Ascorbate Synthesizing Enzyme l-Galactono-1,4-Lactone Dehydrogenase Affects Plant and Fruit Development in Tomato

M Alhagdow, F Mounet, L Gilbert… - Plant …, 2007 - academic.oup.com
Abstract l-Galactono-1, 4-lactone dehydrogenase (EC 1.3. 2.3) catalyzes the last step in the
main pathway of vitamin C (l-ascorbic acid) biosynthesis in higher plants. In this study, we …