Pore-forming toxins from pathogenic amoebae
2014
Leippe, Matthias
Some amoeboid protozoans are facultative or obligate parasites in humans and bear an enormous cytotoxic potential that can result in severe destruction of host tissues and fatal diseases. Pathogenic amoebae produce soluble pore-forming polypeptides that bind to prokaryotic and eukaryotic target cell membranes and generate pores upon insertion and oligomerization. This review summerizes the current knowledge of such small protein toxins from amoebae, compares them with related proteins from other species, focuses on their three-dimensional structures, and gives insights into divergent activation mechanisms. The potential use of pore-forming toxins in biotechnology will be briefly outlined.
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