Abstract
The CCR4-NOT complex is a multi-subunit protein complex evolutionarily conserved across eukaryotes which regulates several aspects of gene expression. A fascinating model is emerging in which this complex acts as a regulation platform, controlling gene products 'from birth to death' through the coordination of different cellular machineries involved in diverse cellular functions. Recently the CCR4-NOT functions have been extended to the control of the innate immune response through the regulation of interferon signaling. Thus, a more comprehensive picture of how CCR4-NOT allows the rapid adaptation of cells to external stress, from transcription to mRNA and protein decay, is presented and discussed here. Overall, CCR4-NOT permits the efficient and rapid adaptation of cellular gene expression in response to changes in environmental conditions and stimuli.
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