Autoregulation of actin synthesis requires the 3'-UTR of actin mRNA and protects cells from actin overproduction.


Monomeric (G) actin was shown to be involved in inhibiting its own synthesis by an autoregulatory mechanism that includes enhanced degradation of the actin mRNA [Bershadsky et al., 1995; Lyubimova et al., 1997]. We show that the 3'-untranslated region (3'-UTR) of beta-actin mRNA, but not its 5'-untranslated region, is important for this regulation. The… (More)


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