Immunogold labelling of
. Typhimurium JOL1311 inactivated by chemical treatment or JOL1950 inactivated by endolysin expression. Bacterial cells were immunogold-labeled and negatively stained for transmission electron microscopy. Arrows indicated the 10-nm gold particles binding the surface of cells. A Naïve JOL1311 cell, B JOL1311strain treated with 0.2% formalin, C
Salmonella strain carrying pJHL464 inactivated by expression of lysis genes (JOL1950 ghosts).