Tlenek azotu – podstawowe pytania... i odpowiedzi dotyczące roli tej cząsteczki w regulacji wzrostu i rozwoju roślin
Nitric oxide – fundamental questions and answers on the role of the molecule in the regulation of growth and development of plants

Summary/Abstract: Nitric oxide (NO) is a small gaseous molecule, occurring in the atmosphere as a product of human industrial activity. In the past, NO was considered mainly as a toxin. In last century there is an increasing amount of data pointing on regulatory role of NO in physiological processes occurring in animals and plants. Although, investigations on NO action in plant cells are carried on in many laboratories all over the world, there are still basic questions to be answered referring to: intracellular NO biosynthesis, perception and signal transduction. Interaction of NO with classical phytohormones and plant growth regulators are of main interest of plant physiologists. The paper presents recent news on NO metabolism in plants, and summarizes the role of NO as a signaling molecule involved in regulation of root growth.

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