by Purdue University Bioengineered lactobacillus (red) interacts with surface heat shock protein 60 (white, yellow arrows), blocking Listeria monocytogenes (green, white arrows) from crossing into the bloodstream. Credit: Rishi Drolia and Arun Bhunia For pregnant women, the elderly and those with weakened immune systems, listeriosis is a serious foodborne illness often linked to deli meats, fresh...
