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J Mol Biol. 2013 Oct 23;425(20):3750-75. doi: 10.1016/j.jmb.2013.02.029. Epub 2013 Mar 4.

Eukaryotic mRNA decay: methodologies, pathways, and links to other stages of gene expression.

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Departamento de Bioquímica y Biología Molecular, Facultad de Biológicas and ERI Biotecmed, Universitat de València, Dr. Moliner 50, E-46100 Burjassot, Valencia, Spain. Electronic address:


mRNA concentration depends on the balance between transcription and degradation rates. On both sides of the equilibrium, synthesis and degradation show, however, interesting differences that have conditioned the evolution of gene regulatory mechanisms. Here, we discuss recent genome-wide methods for determining mRNA half-lives in eukaryotes. We also review pre- and posttranscriptional regulons that coordinate the fate of functionally related mRNAs by using protein- or RNA-based trans factors. Some of these factors can regulate both transcription and decay rates, thereby maintaining proper mRNA homeostasis during eukaryotic cell life.


4-thiouracil; 4-thiouridine; 4sU; 4tU; ARE; AU-rich recognition element; CUT; DR; GRO; HL; NMD; ORF; PB; PT; RBP; RISC; RNA binding protein; RNA pol II; RNA polymerase II; RNA-induced silencing complex; RP; SG; SUT; TF; TNF; TR; TTP; UTR; cDTA; comparative dynamic transcriptome analysis; cryptic unstable transcript; degradation rate; endo-siRNA; endogenous small interfering RNA; genomic run-on; half-life; lncRNA; long non-coding RNA; mRNA coordinators; mRNA half-life; mRNA ribonucleoprotein particle; mRNP; miRNA; microRNA; ncRNA; non-coding RNA; non-sense-mediated decay; open reading frame; posttranscriptional; processing body or P-body; ribosomal protein; stable unannotated transcript; stress granule; synthegradases; transcription factor; transcription rate; tristetraprolin; tumor necrosis factor; untranslated region

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