Poster (download)
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Alexandra Zakharova1, Daria Tashyreva2, Jorge Morales3, Eva Nowack4, Julius LukeЕЎ5, Vyacheslav Yurchenko6
1Life Science Research Centre, University of Ostrava, Ostrava, Czech Republic, alexandraz.6946@gmail.com
2Institute of Parasitology, Biological Centre, ДЊeskГ© BudД›jovice, Czech Republic, tashyreva@paru.cas.cz
3Heinrich Heine University, DГјsseldorf, Germany, jjfreites@hotmail.com
4Heinrich Heine University, DГјsseldorf, Germany, E.Nowack@uni-duesseldorf.de
5Institute of Parasitology, Biological Centre, ДЊeskГ© BudД›jovice, Czech Republic, jula@paru.cas.cz
6Life Science Research Centre, University of Ostrava, Ostrava, Czech Republic, Vyacheslav.Yurchenko@osu.cz
Members of the family Trypanosomatidae are intensively studied because some of them are infectious agents of dangerous human ailments, such as Chagas disease, African sleeping sickness and leishmaniasis. It has been recently demonstrated that representatives of 4 trypanosomatid genera of 2 subfamilies [Leishmaniinae (genus Novymonas) and Strigomonadinae (genera Angomonas, Strigomonas and Kentomonas)] harbor bacterial symbionts. The endosymbiont of Novymonas esmeraldas is Ca. Pandoraea novymonadis. This symbiotic system is of particular interest, since none of the participants has close relatives involved in such relationships, indicating its independent and relatively recent origin.
In this work, we have investigated genomes and proteomes of N. esmeraldas and Ca. Pandoraea novymonadis. We found and investigated factors involved in the symbiotic interactions. Biochemical analysis demonstrated that numerous host-encoded proteins were enriched in the bacterial fraction, represented by ОІ-oxidation enzymes, transporters, transmembrane proteins and others. We have found that members of this endosymbiotic system may be a good model to study the establishment and development of symbiosis between bacteria and protists.
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