Pure and mixed biofilms formation of Listeria monocytogenes and Salmonella Typhimurium on polypropylene surfaces

• DOI: 10.1016/j.lwt.2022.113469
• Publication Date: 2022-04-21T12:33:05Z
• Authors: Leonardo Ereno Ta...; Thiago Henrique B...; Emanoelli Apareci...; Jhennifer Arruda ...; Camila Koutsodont...; Luis Augusto Nero; Ricardo Seiti Yam...; Juliano Gonçalves...; Luciano dos Santo...
• Keywords: Persistence; 0301 basic medicine; 03 medical and health sciences; Food industry; Biofilms; Gene expression

This study evaluated the capacity of Listeria monocytogenes and Salmonella Typhimurium to form pure mixed biofilms on polypropylene surface analyzed expression genes related biofilm formation within 24 h 120 h. The planktonic sessile growth L. S. were incubation temperature. There was no statistical difference between total population not only in biofilms, but also at 12 °C 37 °C. Pure able maintain viable cells for 3000 10 with counts greater than when incubated h, a increase biofilms. Regarding both conditions °C, we find prfA, agrB, agrC agrD genes. Concerning found agfA, adrA csgD all situations evaluated, except article documents ability suggests that these two microorganisms may act synergistically.