Abstract
Nitric oxide (NO) is a gas that is involved in signaling and regulator of the oxidative status of plants. The plant must adapt to different environmental conditions and NO seems to be involved in the activation of defense mechanisms. The biosynthesis of NO in plants can be obtained from enzymes that can be shared with other metabolic pathways such as nitrogen assimilation. The transcriptome profiles obtained from studies performed in plants after the NO treatments can help in the identification of genes that are tightly connected with the NO function and plant's response. These transcriptional changes can be compared with the proteins and metabolites derived from the NO treatments. Primary and secondary responses can be identified and the correlation between transcription and translation can help in the identification of putative genes that can be targeted for genome editing. The new technologies in plant biotechnology can provide new tools for shaping crops to face and cope the environmental stresses. In this chapter an overview of the transcription, proteomic, and metabolomic studies has been reported, and how this information can be useful for genome editing in the genetic improvement of crops.
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