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Defense gene induction in tobacco by nitric oxide, cyclic GMP, and cyclic ADP-ribose.
It is shown that infection of resistant, but not susceptible, tobacco with tobacco mosaic virus resulted in enhanced NO synthase (NOS) activity, and it is concluded that several critical players of animal NO signaling are also operative in plants. Expand
Proteomic Identification of S-Nitrosylated Proteins in Arabidopsis1[w]
The results of this work are the starting point for further investigation to get insight into signaling pathways and other cellular processes regulated by protein S-nitrosylation in plants. Expand
Conserved requirement for a plant host cell protein in powdery mildew pathogenesis
A conserved requirement for MLO proteins in powdery mildew pathogenesis in the dicotyledonous plant species Arabidopsis thaliana is demonstrated, suggesting that within the Erysiphales (powdery mildews) the ability to cause disease has been a stable trait throughout phylogenesis. Expand
Innate immunity in Arabidopsis thaliana: lipopolysaccharides activate nitric oxide synthase (NOS) and induce defense genes.
It is shown that Arabidopsis thaliana reacts to LPS with a rapid burst of NO, a hallmark of innate immunity in animals and contributes toward the activation of plant defense responses. Expand
Inhibition of ascorbate peroxidase by salicylic acid and 2,6-dichloroisonicotinic acid, two inducers of plant defense responses.
  • J. Durner, D. Klessig
  • Chemistry, Medicine
  • Proceedings of the National Academy of Sciences…
  • 21 November 1995
The inhibition of both catalase and APX, but not guaiacol peroxidases, supports the hypothesis that SA-induced defense responses are mediated, in part, through elevated H2O2 levels or coupled perturbations of the cellular redox state. Expand
Nitric oxide: comparative synthesis and signaling in animal and plant cells.
These findings complement an emerging body of evidence indicating that many signal transduction pathways are shared between plants and animals and help clarify the role of nitric oxide in plants. Expand
Redox Regulation of the NPR1-TGA1 System of Arabidopsis thaliana by Nitric Oxide[W][OA]
This research demonstrates that NO acts as a redox regulator of a transcription factor network that is a key component of plant defense and systemic acquired resistance and suggests that nitric oxide is a red ox regulator of the NPR1/TGA1 system. Expand
Nitric oxide: a new player in plant signalling and defence responses.
There is increasing evidence that nitric oxide (NO), which was first identified as a unique diffusible molecular messenger in animals, plays important roles in diverse (patho)physiological processesExpand
Salicylic acid and disease resistance in plants
Although it is still unclear whether this compound can serve as a long-distance messenger signaling the presence of a pathogen, its synthesis and accumulation are important requirements for defense responses. Expand
Salicylic Acid Is a Modulator of Tobacco and Mammalian Catalases*
Results add new features to SA's interaction with heme enzymes and its in vivo redox properties, suggesting that SA, in addition to its proposed signaling function, may also have an important antioxidant role in containing oxidative processes associated with plant defense responses. Expand