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Reactive oxygen/nitrogen species and antioxidant defenses in Lotus japonicus

AuthorsBecana Ausejo, Manuel ; Matamoros Galindo, Manuel Ángel CSIC ORCID ; Ramos Escribano, Javier CSIC ORCID ; Rubio Luna, María Carmen ; Sainz Gandolfo, Martha CSIC
Issue DateSep-2014
CitationBecana M, Matamoros MA, Ramos J, Rubio MC, Sainz M. Reactive oxygen/nitrogen species and antioxidant defenses in Lotus japonicus. In: Tabata S, Stougaard J (eds.). The Lotus japonicus Genome (Compendium of Plant Genomes): pp 137-147 (2014)
SeriesCompendium of Plant Genomes
AbstractReactive oxygen/nitrogen species (ROS/RNS) are potentially cytotoxic molecules because they can generate oxidative/nitrosative stress. However, ROS and RNS, at concentrations tightly regulated by antioxidants, also serve useful purposes in processes such as organ development, abiotic and biotic stress response, and redox signaling. Antioxidant enzymes and metabolites are abundant in plants and particularly in legume nodules. Most of the enzymes involved in antioxidant defense are encoded by multigene families and occur as multiple isoforms in various cellular compartments, forming a dynamic network that is spatiotemporally regulated. Genomic, transcriptomic, and proteomic analyses of model legumes, such as Lotus japonicus and Medicago truncatula, are unveiling a complex regulation of antioxidant pathways in different tissues and especially during the symbiotic interaction with rhizobia. This regulation includes alternatively spliced forms of the genes and post-translational modifications of the proteins, which with no doubt will be the subject of intense research over the next years.
Description17 Pags.- 1 Tabl.- 1 Fig. The definitive version is available at: http://link.springer.com/book/10.1007/978-3-662-44270-8
Publisher version (URL)http://dx.doi.org/10.1007/978-3-662-44270-8_13
ISBN978-3-662-44269-2 (Print)
978-3-662-44270-8 (Online)
Appears in Collections:(EEAD) Libros y partes de libros
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