text_1: The tip of the inner tube of the toxic type VI secretion system (T6SS) antibacterial effector in Escherichia coli (E. coli) carries toxic effector proteins.
text_2: In addition to directly targeting eukaryotic cells, the T6SS can also target other bacteria coinfecting a mammalian host, highlighting the importance of the T6SS not only for bacterial survival in environmental ecosystems, but also in the context of infection and disease.