Article

Systems biology for enhanced plant nitrogen nutrition.

FONDAP Center for Genome Regulation, Millennium Nucleus Center for Plant Functional Genomics, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile, Avenida Libertador Bernardo O'Higgins 340, Santiago, Chile.
Science (impact factor: 31.2). 06/2012; 336(6089):1673-5. DOI:10.1126/science.1217620 pp.1673-5
Source: PubMed

ABSTRACT Nitrogen (N)-based fertilizers increase agricultural productivity but have detrimental effects on the environment and human health. Research is generating improved understanding of the signaling components plants use to sense N and regulate metabolism, physiology, and growth and development. However, we still need to integrate these regulatory factors into signal transduction pathways and connect them to downstream response pathways. Systems biology approaches facilitate identification of new components and N-regulatory networks linked to other plant processes. A holistic view of plant N nutrition should open avenues to translate this knowledge into effective strategies to improve N-use efficiency and enhance crop production systems for more sustainable agricultural practices.

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Keywords

crop production systems
 
downstream response pathways
 
effective strategies
 
metabolism
 
N)-based fertilizers increase agricultural productivity
 
N-regulatory networks
 
plant N nutrition
 
plant processes
 
regulatory factors
 
signaling components plants use
 
sustainable agricultural practices
 
Systems biology approaches
 

Rodrigo A Gutiérrez