Journal
CURRENT OPINION IN MICROBIOLOGY
Volume 27, Issue -, Pages 10-17Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2015.05.007
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Funding
- EMBO postdoctoral fellowship
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Fluxes in microbial metabolism are controlled by various regulatory layers that alter abundance or activity of metabolic enzymes. Recent studies suggest a division of labor between these layers: transcriptional regulation mostly controls the allocation of protein resources, passive flux. regulation by enzyme saturation and thermodynamics allows rapid responses at the expense of higher protein cost, and posttranslational regulation is utilized by cells to directly take control of metabolic decisions. We present recent advances in elucidating the role of these regulatory layers, focusing on posttranslational modifications and allosteric interactions. As the systematic mapping of posttranslational regulatory events has now become possible, the next challenge is to identify those regulatory events that are functionally relevant under a given condition.
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