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DNA ZIPCODE

Many genes in Saccharomyces cerevisiae are recruited to the nuclear ambit afterwards transcriptional activation. We accept articular two gene application sequences (GRS I and II) from the apostle of the INO1 gene that ambition the gene to the nuclear periphery. These GRSs action as DNA zip codes and are acceptable to ambition a nucleoplasmic locus to the nuclear periphery. Targeting requires apparatus of the nuclear pore circuitous (NPC) and a GRS is acceptable to advise a concrete alternation with the NPC. GRS I elements are accomplished in promoters of genes that collaborate with the NPC, and genes that are induced by protein folding stress. Full transcriptional activation of INO1 and addition GRS-containing gene requires GRS-mediated targeting of the apostle to the nuclear periphery. Finally, GRS I additionally functions as a DNA zip cipher in Schizosaccharomyces pombe, suggesting that this apparatus of targeting to the nuclear ambit has been conserved over about one billion years of evolution.

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