STITT, Mark; GIBON, Yves

doi:10.1016/j.tplants.2013.11.003

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STITT, Mark
Max Planck Institute of Molecular Plant Physiology [MPI-MP]

GIBON, Yves
Biologie du fruit et pathologie [BFP]

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Trends in Plant Science. 2014, vol. 19, n° 4, p. 256-65

Elsevier

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Information about the abundance and biological activities of proteins is essential to reveal how genes affect phenotypes. Over the past decade, mass spectrometry (MS)-based proteomics has revolutionized the identification and quantification of proteins, and the detection of post-translational modifications. Interpretation of proteomics data depends on information about the biological activities of proteins, which has created a bottleneck in research. This review focuses on enzymes in central metabolism. We examine the methods used for measuring enzyme activities, and discuss how these methods provide information about the kinetic and regulatory properties of enzymes, their turnover, and how this information can be integrated into metabolic models. We also discuss how robotized assays could enable the genetic networks that control enzyme abundance to be analyzed.< Leer menos

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Why measure enzyme activities in the era of systems biology?

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