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Mammalian genome organization and itsimplications for the development of gene therapyvectors

机译:哺乳动物基因组的组织及其对基因治疗载体开发的意义

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The nuclear pore complex (NPC) is the site for macromolecular traffic between the nucleus and cytoplasm. NPCs are composed of 30-40 distinct proteins (termed nucleoporins) in yeast, and an estimated 50 distinct nucleoporins in vertebrates. Most nucleoporins are soluble proteins. In contrast, the number of integral membrane nucleoporins is small and includes only four proteins in yeast (Pom152, Ndc1, Snl1 and Pom34), and two proteins in metazoans (gp210 and Pom121). We discuss the known membrane nucleoporins, and present for the first time the sequences of putative gp210 orthologs from Drosophila, C. elegans and Arabidopsis. Our results suggest that Gp210 is conserved among all multicellular eukaryotes, including plants, consistent with a fundamental role in NPC structure or biogenesis.
机译:核孔复合体(NPC)是细胞核与细胞质之间大分子运输的场所。 NPC由酵母中的30-40种不同蛋白(称为核孔蛋白)和脊椎动物中的50种不同核蛋白组成。大多数核孔蛋白是可溶性蛋白。相反,完整的膜核孔蛋白的数量很少,并且在酵母中仅包含四种蛋白质(Pom152,Ndc1,Snl1和Pom34),在后生动物中仅包含两种蛋白质(gp210和Pom121)。我们讨论了已知的膜核孔蛋白,并首次提出了果蝇,秀丽隐杆线虫和拟南芥的推定gp210直系同源物的序列。我们的研究结果表明,Gp210在包括植物在内的所有多细胞真核生物中都是保守的,与NPC结构或生物发生中的基本作用一致。

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