Using TraDIS-Xpress to find the genes that affect susceptibility to common food preservatives

The mechanisms of action of common food preservatives are poorly understood. As there is a drive to develop alternative preservatives, understanding the mechanisms of action of current preservatives can inform development of novel food preservatives to ensure their efficacy. Here we used TraDIS-Xpress, a large-scale, genome-wide unbiased screen to determine the mechanisms of action of common food preservatives by determining the genes that affect preservative susceptibility in Salmonella enterica serovar Typhimurium.