Omics approaches have helped shed light on how plants relate to their environment and how they respond to changes in it. Although still relatively underutilized, comparative transcriptomics and proteomics approaches also can be applied to study mechanisms of plant adaptation. Voelckel et al. discuss the pros and cons of using omics approaches to study adaptability, from differential expression of key genes between closely related species, to proteome studies giving insights into post-translational modifications, protein location, protein turnover, etc. Integrating phenotypic, proteomic, transcriptomic and environmental data can identify genes underlying the expression of adaptive traits. (Summary by Gaby Auge) Trends Plant Sci. 10.1016/j.tplants.2017.03.001
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