Nitrogen uptake, assimilation and remobilization in plants: challenges for sustainable and productive agriculture

TL;DR: An introduction to plant mineral nutrition is provided and how mineral elements are taken up by roots and distributed within plants are explained and a perspective on how agriculture can produce edible crops that contribute sufficient mineral elements for adequate animal and human nutrition is concluded.

TL;DR: Recent advances in carbon/nitrogen metabolisms as well as sensing and signaling systems in illuminated leaves of C3-plants are discussed and a perspective of the type of experiments that are now required in order to take understanding to a higher level is provided.

TL;DR: This review integrates the current knowledge regarding inorganic and organic nitrogen management at the whole-plant level, spanning from nitrogen uptake to remobilization and utilization in source and sink organs, demonstrating that nitrogen transporters are effective targets to improve crop productivity and nitrogen use efficiency.

TL;DR: In this article, a more novel concept is proposed, microbe-to-plant signal compounds, as the potential approach to address the challenges we are facing, given both the ongoing expansion of world population and development of climate change conditions, it is increasingly imperative to develop and deploy sustainable biomass production methods.

TL;DR: The results presented indicate that GS phosphorylation is modulated by nitrogen fixation in root nodules; these findings open up new possibilities to explore the involvement of this post-translational mechanism in nodule functioning.

TL;DR: Compared with controls, transgenic rice plants also demonstrated significant changes in key metabolites and total nitrogen content, indicating increased nitrogen uptake efficiency, which would not only improve the use of nitrogen fertilizers, resulting in lower production costs, but would also have significant environmental benefits.

TL;DR: A complex light-dependent network of regulation emerges, which appears to be necessary for optimal nitrogen assimilation and for avoiding the accumulation of toxic intermediates and side products, such as nitrite and reactive oxygen compounds.

TL;DR: The aim was to characterize the genetic basis of N use efficiency and genotype ×-N interactions, and the usefulness of QTL meta-analysis and factorial regression to study QTL × N interactions.