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Simultaneous production of nitric oxide and peroxynitrite by plant nitrate reductase: in vitro evidence for the NR‐dependent formation of active nitrogen species
Abstract
We examined the ability of plant nitrate reductase (NR) to produce nitric oxide (NO) using in vitro assays. Electrochemical and fluorometric measurements both showed that NO is produced by corn NR in the presence of nitrite and NADH at pH 7. The NO production was inhibited by sodium azide, a known inhibitor for NR. During the reaction, absorbance of 2′,7′‐dichlorodihydrofluorescein increased markedly. This change was completely suppressed by sodium azide, glutathione or depletion of oxygen. We conclude that plant NR produces both NO and its toxic derivative, peroxynitrite, under aerobic conditions when nitrite is provided as the substrate for NR.
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Cites
Protection against peroxynitrite
Arteel, G. E., Briviba, K., & Sies, H. (1999) · FEBS Letters · doi:10.1016/s0014-5793(99)00073-3 · Cited by 305
Cited by
Nitric oxide signalling in plants
Neill, S. J., Desikan, R., & Hancock, J. T. (2003) · New Phytologist · doi:10.1046/j.1469-8137.2003.00804.x · Cited by 874
Desikan, R., Griffiths, R., Hancock, J., & Neill, S. (2002) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.252461999 · Cited by 710
Maia, L. B., & Moura, J. J. G. (2014) · Chemical Reviews · doi:10.1021/cr400518y · Cited by 401
Kaiser, W. M., & Huber, S. C. (2001) · Journal of Experimental Botany · doi:10.1093/jexbot/52.363.1981 · Cited by 371
Christou, A., Manganaris, G. A., Papadopoulos, I., & Fotopoulos, V. (2013) · Journal of Experimental Botany · doi:10.1093/jxb/ert055 · Cited by 346
Metadata
- Authors
- Yamasaki, H., & Sakihama, Y.
- Venue
- FEBS Letters
- Publisher
- Wiley
- Published
- 2000-02-14
- Volume
- 468
- Issue
- 1
- Pages
- 89-92
- ISSN
- 0014-5793 (ISSN-L)
- 1873-3468
- OpenAlex
- W2045593769
- Cited by
- 548
- References
- 1
- FWCI
- 11.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yamasaki, H., & Sakihama, Y. (2000). Simultaneous production of nitric oxide and peroxynitrite by plant nitrate reductase: in vitro evidence for the NR‐dependent formation of active nitrogen species. FEBS Letters. https://doi.org/10.1016/s0014-5793(00)01203-5
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
