Host-Microorganism Interactions : [9] Página principal da comunidade

Multicellular organisms and microorganisms are continuously interacting. Many of these interactions are mutually beneficial. However, multicellular organisms have to actively thwart invasion by opportunistic or overtly pathogenic microbes. We are studying the interaction of the model organism Drosophila melanogaster with different microorganisms, in particular intracellular ones. D. melanogaster has been successfully used as a model system to study innate immunity against many pathogens. Recently it has been shown that there are innate immunity pathways against viruses conserved between insects and mammals. We are investigating mechanisms of resistance to viruses in the fruit fly. Interestingly, we have found that the intracellular bacteria Wolbachia confer resistance to RNA viruses in D. melanogaster. We want to understand the molecular basis of this induced resistance. Finally, we are interested in the interplay between Drosophila and Wolbachia itself. These endosymbionts are one of the most widespread intracellular bacteria in the world but little is known, at the molecular level, on how the hosts control Wolbachia or Wolbachia manipulate the hosts.

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