Nitric Oxide and ROS as Regulators of Post-translational Modifications in Plants

Dear Colleagues,

Since nitric oxide (NO) interacts with molecules such as reactive oxygen species (ROS), as well as with biomolecules such as proteins and lipids, in recent years, the interest of the scientific community has focused on the study of NO-bioactivity highlighting the identification and characterization of NO-mediated post-translational modifications (NO-PTMs) of proteins and the effect they have on biological activity in plant cells. Thus, NO-PTMs, which stabilize and diversify NO-dependent signals, support ubiquitous signaling networks involving a plethora of plant proteins. Furthermore, ROS/RNS-induced PTMs are typically of higher frequency where the ROS and/or RNS species are produced. In fact, NO and ROS share signaling pathways, and it is not surprising that there are cross-talk pathways that enable them to control each other´s functions. However, little information is available on the initiation of the signaling events mediated by NO and ROS, the mechanisms involved in the perception and the specificity of the generated signal, as well as the regulation of the delicate balance between production and scavenging of reactive oxygen and nitrogen species.

This Special Issue aims to publish original research and review papers on aspects of ROS and NO-derived PTMs such as carbonylation, glutathionylation, sulfhydryl oxidations, nitration, S-nitrosylation, and nitroalkylation, emphasizing the importance of the interplay between their signaling pathways in plants under physiological and stress situations.

Dr. Juan B. Barroso
Dr. Mounira Chaki
Dr. Juan C. Begara-Morales
Dr. Raquel Valderrama
Guest Editors

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