Food Microbiology Thao D. Tran, Celia Del Cid, Robert Hnasko, Lisa Gorski, Jeffery A. McGarvey DOI: 10.1128/AEM.01926-20 ABSTRACT Listeria monocytogenes is a foodborne pathogen that causes high rates of hospitalization and mortality in people infected. Contamination of fresh, ready to eat produce by this pathogen is especially troubling because of the ability of this bacterium to grow on produce under refrigeration temperatures.