Research of Nitric Oxide Signaling Molecules in Plants

Dear Colleagues,

Nitric oxide (NO) is a gaseous signaling molecule with an essential role for all living organisms. In the last 20 years, we have observed a burst of research focused on NO action in plant biology. Although enzymatic pathways of NO biosynthesis in plant cells are still under consideration, our knowledge on NO role in the regulation of fundamental processes: growth, development, response to stresses is becoming more and more complete. Cross-talk of NO with phytohormones, plant growth regulators and other gaseous signaling molecules is necessary for the maintenance of plant development in normal conditions or plants survival under biotic or abiotic stresses. The lack of NO receptors in the cells directed the search of scientists towards NO-mediated post-translational protein modifications, e.g., protein nitration, or S-nitrosylation. These data allow the discussing of the NO mode of action and its impact on the regulation of plant physiology. Due to the development of the studies on NO biochemistry researchers have the ability to detect and quantify NO in plant tissues. It allows linking nitro- oxidative stress to various phenomena occurring in Planta, e.g., allelopathy or legume-rhizobium symbiosis. The increasing knowledge on NO-mediated modification of proteins, nucleic acids, or lipids can partially explain the regulation of basic processes, e.g., germination, ripening, or aging/senescence by reactive oxygen and nitrogen species.

This Special Issue focuses on “Nitric oxide signaling in plants”. The main objectives are NO signalization in plant responses to stresses, its role in plant growth and development, NO-dependent protein modification, and gene expression regulation by NO. Original research and review articles focusing also on every aspect of NO origin in plants' environment are welcomed. The current Special Issue of Biology represents a platform for the discussion on novel aspects of NO in plant biology.

Prof. Dr. Agnieszka Gniazdowska
Dr. Paweł Staszek
Guest Editors

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• plant growth and development
• abiotic stress
• biotic stress
• allelopathy
• seed biology
• plant-microbe interactions
• protein modification
• nitric oxide-phytohormones interactions
• signal transduction
• nitric oxide in environment