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Rho family GTPases are thought to regulate actin-dependent processes, but their functions in vivo are still poorly understood. We have investigated the function of a new, widely expressed Rho family member in C. elegans by analyzing mutations in the endogenous gene. Activated and null alleles all inhibit cell migration, demonstrating that this protein is(More)
Previously, a small region of the 3'-untranslated region (3' UTR) of Xlhbox2B mRNA was shown to be sufficient for sequence-specific endonucleolytic cleavage after injection into Xenopus oocytes. Here, we report an in vitro RNA degradation reaction that mimics the in vivo result accurately. The reaction also reveals that oocytes contain a sequence-specific(More)