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Fig. 3 | BMC Microbiology

Fig. 3

From: Bacteriophage tailspike protein based assay to monitor phase variable glucosylations in Salmonella O-antigens

Fig. 3

ELISA-like tailspike adsorption (ELITA) assay with Salmonella strains of serogroup O4,(5) using 9NATSP (blue) or P22TSP (gray) as probes. Crosshatched bars represent data obtained after pre-treatment of immobilized bacteria with 50 μg/ml of catalytically active P22TSP to destroy the O-antigen receptor. Signals were normalized individually for each single strain; error bars represent standard deviation from four replicate experiments.

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