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Special Issue "Nitric Oxide Signalling in Plants"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 30 September 2023 | Viewed by 2201

Special Issue Editor

Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore 117604, Singapore
Interests: plant molecular biology; molecular plant physiology; nitric oxide; Arabidopsis; phytohormones
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Nitric oxide (NO) is a gaseous small molecule and as a free radical, it plays important roles in various physiological and biological processes in plants. NO also acts as signal molecule and transducer with a range of functions, including seed germination, growth, root development, ripening and plant aging. The study of NO biology in plants during the last few decades has proved the beneficial role of NO in plant growth, but also the toxic byproducts of oxidative metabolism when exposed to abiotic/biotic stresses. Some NO-mediated transcriptomic and metabolomic investigations have revealed that changes in cellular NO levels via the modification of thiol groups are critical for plants to acclimate against diverse stress conditions, and can be an important product of N metabolism. Recently, some research in NO biology has evidenced that the production of NO is affected by N supply, and free radical NO or exogenous NO donor appears to regulate N assimilation.

This Special Issue focuses on extending current knowledge of nitric oxide signaling in plants, along with the ways NO can interact with other reactive signaling molecules, enzymes and metabolites and also how NO signaling/metabolism can affect plant growth and development under normal or stressed conditions.

Dr. Mun Bong-Gyu
Guest Editor

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  • nitric oxide
  • NO-mediated transcriptome
  • post-transcription modification
  • S-nitrosylation
  • N assimilation
  • NO homeostasis
  • gaseous NO
  • cellular signaling
  • nitric oxide signaling
  • transcription factors (TFs)


Published Papers (1 paper)

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Nitric Oxide Acts as a Key Signaling Molecule in Plant Development under Stressful Conditions
Int. J. Mol. Sci. 2023, 24(5), 4782; https://doi.org/10.3390/ijms24054782 - 01 Mar 2023
Cited by 10 | Viewed by 1631
Nitric oxide (NO), a colorless gaseous molecule, is a lipophilic free radical that easily diffuses through the plasma membrane. These characteristics make NO an ideal autocrine (i.e., within a single cell) and paracrine (i.e., between adjacent cells) signalling molecule. As a chemical messenger, [...] Read more.
Nitric oxide (NO), a colorless gaseous molecule, is a lipophilic free radical that easily diffuses through the plasma membrane. These characteristics make NO an ideal autocrine (i.e., within a single cell) and paracrine (i.e., between adjacent cells) signalling molecule. As a chemical messenger, NO plays a crucial role in plant growth, development, and responses to biotic and abiotic stresses. Furthermore, NO interacts with reactive oxygen species, antioxidants, melatonin, and hydrogen sulfide. It regulates gene expression, modulates phytohormones, and contributes to plant growth and defense mechanisms. In plants, NO is mainly produced via redox pathways. However, nitric oxide synthase, a key enzyme in NO production, has been poorly understood recently in both model and crop plants. In this review, we discuss the pivotal role of NO in signalling and chemical interactions as well as its involvement in the mitigation of biotic and abiotic stress conditions. In the current review, we have discussed various aspects of NO including its biosynthesis, interaction with reactive oxygen species (ROS), melatonin (MEL), hydrogen sulfide, enzymes, phytohormones, and its role in normal and stressful conditions. Full article
(This article belongs to the Special Issue Nitric Oxide Signalling in Plants)
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