The FISH image - FISH stands for a visualisation method called fluorescence in situ hybridisation - shows amoebae infected simultaneously with the Viennavirus (for the first time isolated in this study and therefore named by the research team) and the bacterial symbiont. In the image, the amoebae are shown in magenta, their symbionts in cyan and DNA in yellow. The larger yellow structures are the virus factories, which are still in the initial phase here and cannot produce infectious viruses. (IMAGE)

University of Vienna

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