1. Department of Microbiology, Center for Scientific Research and Higher Education of Ensenada (CICESE), Ensenada 22860, Mexico
2. Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture (USDA), Albany, CA 94710, USA
3. Department of Bionanotechnology, Center for Nanoscience and Nanotechnology, Universidad Nacional Autónoma de México, Ensenada 22860, Mexico