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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
The intracellular symbionts of blood-feeding Diptera group Hippobosccoidea
 ŠOCHOVÁ, Eva
Blood-sucking parasites from the Hippoboscoidea group (Insecta: Diptera) harbor symbiotic bacteria providing them with B-vitamins and cofactors missing from their blood diet. Although including medically important vectors such as tsetse flies, evolutionary history of symbiosis in the whole group is poorly understood. This thesis is focused on analysis of symbionts in the Hippoboscidae family (parasites of birds and mammals). Phylogenetic approach was employed to determine lineages of obligatory and facultative symbionts present in this group. Results of the study indicate that relationships between Hippoboscoidea and their symbionts are extremely dynamic with frequent replacements of obligate symbionts. To which extent is this dynamic evolutionary history of symbiotic systems in Hippoboscoidea caused by features of their parasitic lifestyle (e.g. host switches from mammals to birds) will be an interesting question for further studies.
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