Protein export in intra-erythrocytic Plasmodium parasites is of considerable interest in the malaria field because the process is inextricably linked to virulence and survival mechanisms in the human host. Despite many and varied functions, a common link between many exported proteins is their actual mode of export. Most exported proteins must traverse two membranes to their destination in the infected erythrocyte cytosol, the parasite plasma membrane and surrounding parasitophorous vacuole membrane (PVM). In recent years, several studies have shone light on the common molecular mechanism by which the major class of exported proteins, the so-called PEXEL/HTS motif-containing proteins, are translocated across these membranes. Roles for parasite-specific molecular processes in two distinct sites, the endoplasmic reticulum and the PVM have been revealed.

译文

红细胞内疟原虫寄生虫中的蛋白质输出在疟疾领域引起了极大的兴趣,因为该过程与人类宿主的毒力和生存机制密不可分。尽管功能多种多样,但许多出口蛋白质之间的共同联系是它们的实际出口方式。大多数出口的蛋白质必须穿过两个膜到达被感染的红细胞胞质溶胶,寄生虫质膜和周围的寄生虫液泡膜 (PVM) 中的目的地。近年来,一些研究揭示了常见的分子机制,通过这种机制,主要的出口蛋白,即所谓的含PEXEL/HTS基序的蛋白质,在这些膜上易位。已揭示了寄生虫特异性分子过程在两个不同部位的作用,即内质网和PVM。

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