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Mol Biosyst. 2015 Oct;11(10):2680-9. doi: 10.1039/c5mb00310e.

Next-generation analysis of gene expression regulation--comparing the roles of synthesis and degradation.

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Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA, USA.


Technological advances now enable routine measurement of mRNA and protein abundances, and estimates of their rates of synthesis and degradation that inform on their values and the degree of change in response to stimuli. Importantly, more and more data on time-series experiments are emerging, e.g. of cells responding to stress, enabling first insights into a new dimension of gene expression regulation - its dynamics and how it allows for very different response signals across genes. This review discusses recently published methods and datasets, their impact on what we now know about the relationships between concentrations and synthesis rates of mRNAs and proteins in yeast and mammalian cells, their evolution, and new hypotheses on translation regulatory mechanisms generated by approaches that involve ribosome footprinting.

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