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- Title
A network perspective on nitrogen metabolism from model to crop plants using integrated ‘omics’ approaches.
- Authors
Fukushima, Atsushi; Kusano, Miyako
- Abstract
This review presents recent progress and applications of transcript and metabolite profiling for nitrogen studies. Time-series “omics” datasets are useful for constructing a stoichiometric metabolic model in future studies.Nitrogen (N), as an essential element in amino acids, nucleotides, and proteins, is a key factor in plant growth and development. Omics approaches such as metabolomics and transcriptomics have become a promising way to inspect complex network interactions in N metabolism and can be used for monitoring the uptake and regulation, translocation, and remobilization of N. In this review, the authors highlight recent progress in omics approaches, including transcript profiling using microarrays and deep sequencing, and show recent technical developments in metabolite profiling for N studies. Further, network analysis studies including network inference methods with correlations, information-theoretic measures, and a network concept to examine gene expression clusters in relation to N regulatory systems in plants are introduced, and integrating network inference methods and integrated networks using multiple omics data are discussed. Finally, this review summarizes recent omics application examples using metabolite and/or transcript profiling analysis to elucidate the regulation of N metabolism and signalling and the coordination of N and carbon metabolism in model plants (Arabidopsis and rice), crops (tomato, maize, and legumes), and trees (Populus).
- Publication
Journal of Experimental Botany, 2014, Vol 65, Issue 19, p5619
- ISSN
0022-0957
- Publication type
Article
- DOI
10.1093/jxb/eru322