Pore-forming toxins: more than one way to make a hole
Pore-forming toxins: more than one way to make a hole
批准号:
DP200102871
负责人:
Prof Michael Parker
金额:
$39.33万
依托单位国家:
澳大利亚
项目类别:
Discovery Projects
财政年份:
2020
资助国家:
澳大利亚
项目状态:
已结题
起止时间:
2020-01-02 至 2023-01-01
中文摘要
动物、植物、真菌和细菌都使用形成孔的蛋白质作为杀伤细胞的大规模杀伤性武器。尽管它们具有致命的性质,在感染和免疫中也扮演着重要角色,但这些蛋白质的工作原理仍然是个谜。该项目旨在揭示这些蛋白质的主要超家族如何能够在细胞膜上钻洞的缺失分子细节。这些结果可能揭示这些蛋白质的一般新机制,并为理解所有生命王国的重要生理过程提供基本见解。最终,这些知识可以指导人工蛋白质孔的设计,这些孔对特定分子具有选择性,可用于测量金属离子、糖、农药或污染物。
英文摘要
Animals, plants, fungi and bacteria all use pore-forming proteins as cell-killing weapons of mass destruction. Despite their lethal nature and their roles in infection and immunity, how these proteins work remains enigmatic. This project aims to unravel missing molecular details of how a major superfamily of such proteins is able to drill holes in cell membranes. The outcomes could reveal novel mechanisms general to these proteins and provide fundamental insights in understanding vital physiological processes across all kingdoms of life. Ultimately, this knowledge may guide the design of artificial protein pores that are selective for specific molecules with applications such as measuring metal ions, sugars, pesticides or pollutants.
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