enterobacteria phage t6 enterobacteria phage t6 enterobacteria phage t6 is a bacteriophage strain that infects escherichia coli bacteria. it was one bacteriophage that was used as a model system in the 1950s in exploring the methods viruses replicate, along with the other t-even bacteriophages (which build up virus species escherichia virus t4, a member of genus t4virus according to ictv nomenclature): enterobacteria phage t2, enterobacteria phage t4 and enterobacteria phage t2. enterobacteria phage t6 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: uroviricota class: caudoviricetes order: caudovirales family: myoviridae genus: tequatrovirus species: escherichia virus t4 strain: enterobacteria phage t6