Journal
ANNALS OF APPLIED BIOLOGY
Volume 178, Issue 2, Pages 192-208Publisher
WILEY
DOI: 10.1111/aab.12642
Keywords
nitric oxide; nitrogen; polyamines; signalling cascades; stress responses
Categories
Funding
- Universidad de Buenos Aires
- CONICET [PIP 2017-2019. 11220170100441, UBACYT 20020170100416BA]
Ask authors/readers for more resources
Nitrogen is a central mineral nutrient essential for plant development and growth. Polyamines and nitric oxide play important roles in plant physiological functions and stress responses.
Nitrogen (N) is a central mineral nutrient essential for plant development and growth. It is usually scarcely found in soils, so the knowledge of the overall plant N metabolism deserves substantial attention. Polyamines (PAs) are N-containing low-molecular-weight compounds of polycationic nature involved in essential processes all throughout the life of plants whereas nitric oxide (NO) is a gaseous free radical involved in signalling cascades related to many physiological events. PAs and NO share signalling functions and interact with each other in several biological functions, mainly in stress responses. Biosynthesis pathways of PAs and NO are overlapped; PAs induce NO formation, but it is still not completely defined whether PAs act as substrates, cofactors, or signals for promoting NO synthesis and also, which are the mechanisms involved in NO regulation of PAs metabolism. Polyamine levels are of vital importance in the regulation of the network of N-metabolising pathways in plants, as they are components of the core of the overall N metabolism. In light of the importance of improving the efficiency of N uptake and distribution, it is time to elucidate the intricate relationship among N as a nutrient with PAs and NO as emerging signalling molecules. The close cooperation among these players in the whole N metabolism is an interesting target for the development of biotechnological tools for sustainable agriculture.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available