Journal
ANNALS OF APPLIED BIOLOGY
Volume 178, Issue 2, Pages 244-255Publisher
WILEY
DOI: 10.1111/aab.12670
Keywords
microbial effectors; plant immunity; polyamine oxidases; polyamine transport; polyamines; reactive oxygen species
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Funding
- Consejo Nacional de Investigaciones Cientificas y Tecnicas [PIP 11220150100903]
- Fondo para la Investigacion Cientifica y Tecnologica [PICT 2014-3286]
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This review emphasizes the importance of polyamines in plant immunity and their regulation under biotic stress, with a focus on the intracellular localization of polyamine metabolism proteins/enzymes and the impact of pathogen effector proteins on plant polyamine metabolism.
Polyamines are low molecular weight amines, with versatile and essential functions during the lifespan of prokaryotes and eukaryotes. Modulation of polyamine metabolism under biotic stress has attracted a great deal of interest; however, the precise functions of these amines in plant defence responses to pathogen attack are still poorly understood. Herein we summarise and review important aspects of the regulation of polyamine biosynthesis, catabolism and conjugation under biotic stress that might contribute to improve present-day knowledge about these compounds in plant immunity. Particular attention is paid to the intracellular localisation of the proteins/enzymes associated to polyamine metabolism, as well as the impact of pathogen effector proteins on the control of plant polyamine metabolism is discussed.
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