Proteomics, the systematic analysis of (differentially) expressed proteins, is a tool for the identification ofproteins involved in cellular processes - has burst onto the scientific scene with stunning rapidity over the past few years, perhaps befitting a discipline that can enjoy the virtually instantaneous conversion of a genome sequence to a set of predicted proteins (Toorchi et al. 2009). Every fragment of DNA behaves biochemically much like any other, proteins possess unique properties, and such individuality creates an enormous hurdle for methodologies that seek to assign an activity to sets of proteins that may number in the thousands (Nouri et al. 2011).
Proteomics is a powerful tool for investigating the molecular mechanism/s of plant response/s towards different stress conditions, and it provides a path for increasing the efficiency of indirect selection for inherited traits (Fig. 10.1). Besides the enzymes, transport and regulatory proteins are also involved in combating any adverse condition, which makes the proteome an essential topic for studying metabolic pathways. Proteomics technology is based on high-throughput techniques for the
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