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Live reinfection by salmonella

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Published on Apr 25, 2012

Please share and embed this video with due credit to BBSRC. See the press release here: http://ht.ly/R5OcV

Reinfection: this movie from live imaging on the confocal microscope shows two Salmonella enterica serovar Typhimurium, one expressing green florescent protein(GFP), one expressing red florescent protein (RFP). Cells were infected with RFP-Salmonella followed by GFP-salmonella and Z stacks taken through the macrophage over time in order to visualise salmonellae within the cell. The cell on the left is infected with an RFP-Salmonella, as you watch the movie note first a number of GFP-salmonellae come up to the cell but do not infect it. Eventually one GFP-Salmonella bacterium infects the macrophage infected with the RFP-Salmonella.

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