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Nitric Oxide and Photosynthetic Machinery: Unveiling Molecular Mechanisms and Redox Balancing

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: 20 December 2025 | Viewed by 586

Special Issue Editor


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Guest Editor
Department of Environmental and Biological Chemistry, Chungbuk National University, Cheongju, Republic of Korea
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) plays a critical role in plant physiology, particularly in its interactions with the photosynthetic machinery and the overall plant productivity. This Special Issue delves into the intricate molecular mechanisms that underlie NO signaling pathways, exploring how NO interacts at the molecular level. As an essential regulator of photosynthesis, NO's influence on plant productivity and resilience is becoming increasingly relevant, especially in the context of environmental stress and climate change.

Research has shown that the exogenous applications of NO can enhance photosynthesis and improve stress tolerance in crops, presenting a promising strategy for sustainable agriculture. This Special Issue aims to expand on the potential of NO treatments and NO-driven redox balances for enhancing crop resilience in stress-prone environments, while also investigating how biotechnological tools could manipulate these molecules to optimize photosynthetic efficiency. Such advancements could lead to the development of crops with improved yields and greater resilience, thereby contributing to global food security.

Furthermore, this Special Issue will explore the crosstalk between NO and the photosynthetic machinery, highlighting the importance of their interaction for crop productivity. Emphasis will be placed on the potential synergistic effects of NO and redox balancing molecules when applied together, which could offer more robust protection and enhancement of photosynthetic processes than when either molecule is used alone. By integrating these findings into crop breeding programs and agricultural practices, we may unlock new avenues for crop production in the face of a changing climate, offering a revolutionary approach to tackling agricultural challenges.

Dr. Mun Bong-Gyu
Guest Editor

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Keywords

  • nitric oxide
  • photosynthetic machinery
  • NO signaling pathways
  • plant physiology

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Published Papers (1 paper)

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Review

25 pages, 2667 KiB  
Review
Nitric Oxide and Photosynthesis Interplay in Plant Interactions with Pathogens
by Elżbieta Kuźniak and Iwona Ciereszko
Int. J. Mol. Sci. 2025, 26(14), 6964; https://doi.org/10.3390/ijms26146964 - 20 Jul 2025
Viewed by 308
Abstract
Nitric oxide and reactive nitrogen species are key signalling molecules with pleiotropic effects in plants. They are crucial elements of the redox regulation of plant stress responses to abiotic and biotic stresses. Nitric oxide is known to enhance photosynthetic efficiency under abiotic stress, [...] Read more.
Nitric oxide and reactive nitrogen species are key signalling molecules with pleiotropic effects in plants. They are crucial elements of the redox regulation of plant stress responses to abiotic and biotic stresses. Nitric oxide is known to enhance photosynthetic efficiency under abiotic stress, and reactive nitrogen species-mediated alterations in photosynthetic metabolism have been shown to confer resistance to abiotic stresses. However, knowledge about the role of reactive nitrogen species in plant immune responses remains limited. In this review, we highlight recent advancements in understanding the role of NO in regulating stomatal movement, which contributes to resistance against pathogens. We will examine the involvement of NO in the regulation of photosynthesis, which provides energy, reducing equivalents and carbon skeletons for defence, as well as the significance of protein S-nitrosylation in relation to immune responses. The role of NO synthesis induced in pathogenic organisms during plant–pathogen interactions, along with S-nitrosylation of pathogen effectors to counteract their pathogenesis-promoting activity, is also reported. We will discuss the progress in understanding the interactions between reactive nitrogen species and photosynthetic metabolism, focusing on enhancing crop plants’ productivity and resistance in challenging environmental conditions. Full article
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