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https://hdl.handle.net/20.500.14279/3205
Τίτλος: | Polyamines reprogram oxidative and nitrosative status and the proteome of citrus plants exposed to salinity stress | Συγγραφείς: | Tanou, Georgia Ziogas, Vasileios Belghazi, Maya Christou, Anastasis Filippou, Panagiota S. Job, Dominique Fotopoulos, Vasileios Molassiotis, Athanassios |
metadata.dc.contributor.other: | Φιλίππου, Παναγιώτα Φωτόπουλος, Βασίλειος |
Major Field of Science: | Natural Sciences | Field Category: | Biological Sciences | Λέξεις-κλειδιά: | Carbonylation;Nitration;Nitrosative stress;Nitrosylation;Oxidative stress;Polyamines;Protein oxidation;Proteomics | Ημερομηνία Έκδοσης: | Απρ-2014 | Πηγή: | Plant, Cell and Environment, 2014, vol. 37, no. 4, pp. 864-885 | Volume: | 37 | Issue: | 4 | Start page: | 864 | End page: | 885 | Περιοδικό: | Plant, Cell and Environment | Περίληψη: | The interplay among polyamines (PAs) and reactive oxygen and nitrogen species (RNS and ROS) is emerging as a key issue in plant responses to salinity. To address this question, we analysed the impact of exogenous PAs [putrescine (Put), spermidine (Spd) and spermine (Spm)] on the oxidative and nitrosative status in citrus plants exposed to salinity. PAs partially reversed the NaCl-induced phenotypic and physiological disturbances. The expression of PA biosynthesis (ADC, SAMDC, SPDS and SPMS) and catabolism (DAO and PAO) genes was systematically up-regulated by PAs. In addition, PAs altered the oxidative status in salt-stressed plants as inferred by changes in ROS production and redox status accompanied by regulation of transcript expression and activities of various antioxidant enzymes. Furthermore, NaCl-induced up-regulation of NO-associated genes, such as NR, NADde, NOS-like and AOX, along with S-nitrosoglutathione reductase and nitrate reductase activities, was partially restored by PAs. Protein carbonylation and tyrosine nitration are depressed by specific PAs whereas protein S-nitrosylation was elicited by all PAs. Furthermore, we identified 271 S-nitrosylated proteins that were commonly or preferentially targeted by salinity and individual PAs. This work helps improve our knowledge on the plant's response to environmental challenge. | URI: | https://hdl.handle.net/20.500.14279/3205 | ISSN: | 13653040 | DOI: | 10.1111/pce.12204 | Rights: | © Wiley | Type: | Article | Affiliation: | Aristotle University of Thessaloniki Plate-Forme de Recherche en Neurosciences PFRN Cyprus University of Technology Centre National de la Recherche Scientifique Aix-Marseille University |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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