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Article Abstract
Uncovering the metabolic and molecular mechanisms involved in plant responses to drought and subsequent recovery, is essential to identify drought tolerance mechanisms that can be used to improve crop plants. Here we combine plant physiology and biochemistry, with gene expression, quantitative proteomics and metabolite profiling to identify the genetic and metabolic networks that operate in plants experiencing and recovering from drought. Network analysis of transcripts, proteins and metabolites revealed that certain biological processes such as the tricarboxylic acid cycle and lipid metabolism had a strong impact on the overall control of leaf responses to drought and recovery. The stimulation of carbohydrate oxidation pathways is demonstrated to be a key node in the generation of energy and precursors required to support diverse survival pathways of defence.
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