Live imaging of mitosomes and hydrogenosomes by HaloTag technology |
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| Authors: | Martincová Eva Voleman Luboš Najdrová Vladimíra De Napoli Maximiliano Eshar Shiri Gualdron Melisa Hopp Christine S Sanin David E Tembo Dumizulu L Van Tyne Daria Walker Dawn Marcinčiková Michaela Tachezy Jan Doležal Pavel |
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| Institution: | Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic. |
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| Abstract: | Hydrogenosomes and mitosomes represent remarkable mitochondrial adaptations in the anaerobic parasitic protists such as Trichomonas vaginalis and Giardia intestinalis, respectively. In order to provide a tool to study these organelles in the live cells, the HaloTag was fused to G. intestinalis IscU and T. vaginalis frataxin and expressed in the mitosomes and hydrogenosomes, respectively. The incubation of the parasites with the fluorescent Halo-ligand resulted in highly specific organellar labeling, allowing live imaging of the organelles. With the array of available ligands the HaloTag technology offers a new tool to study the dynamics of mitochondria-related compartments as well as other cellular components in these intriguing unicellular eukaryotes. |
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