Energetics of the Microsporidian Polar Tube Invasion Machinery
Ray Chang,
Ari Davydov,
Pattana Jaroenlak
et al.
Abstract:Microsporidia are eukaryotic, obligate intracellular parasites that infect a wide range of hosts, leading to health and economic burdens worldwide. Microsporidia use an unusual invasion organelle called the polar tube (PT), which is ejected from a dormant spore at ultra-fast speeds, to infect host cells. The mechanics of PT ejection are impressive. Anncaliia algerae microsporidia spores (3-4 µm in size) shoot out a 100-nm-wide PT at a speed of 300 µm/sec, creating a shear rate of 3000 sec−1. The infectious car… Show more
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