“…Thus, the efficacy of disinfectant products also seems to be related to the structure of active agent, which may change its cellular uptake and interactions with biofilm matrix components. In line with the findings of Chaturongkasumrit et al (2011) and Schlisselberg and Yaron (2013), our findings underlined that the surface type has an effect on the biofilm resistance to disinfectants. Moreover, our results also showed that the surface type presents an effect on the biofilm structure which may influence the biofilm resistance to disinfectants.…”
“…Thus, the efficacy of disinfectant products also seems to be related to the structure of active agent, which may change its cellular uptake and interactions with biofilm matrix components. In line with the findings of Chaturongkasumrit et al (2011) and Schlisselberg and Yaron (2013), our findings underlined that the surface type has an effect on the biofilm resistance to disinfectants. Moreover, our results also showed that the surface type presents an effect on the biofilm structure which may influence the biofilm resistance to disinfectants.…”
“…This can lead to cross contamination, hinder sterilization by chemicals or UV-C irradiation, and contribute to biofilm formation (Kuda et al, 2008(Kuda et al, , 2012. Several studies have demonstrated that once biofilms are formed, bacterial detachment and sterilization are challenging (Chaturongkasumrit, Takahashi, Keeratipibul, Kuda, & Kimura, 2011;Simões et al, 2010). In the present study, we showed that a minimal amount of food residue can protect LAB cells.…”
Section: Microscopic Observations Of Adhered Lab Cellsmentioning
confidence: 99%
“…Microorganisms within and/or on wet surfaces such as plants, utensils, and equipment often form biofilms that promote resistance to various kinds of stress (Finn et al, 2013;Maifreni et al, 2015;Wang et al, 2013). In particular, biofilms formed by Pseudomonas aeruginosa (Li, Kuda, & Yano, 2014;Long et al, 2016), Staphylococcus aureus (V azquez-S anchez, Cabo, Ibusquiza, & Rodríguez-Herrera, 2014), Listeria monocytogenes (Chaturongkasumrit, Takahashi, Keeratipibul, Kuda, & Kimura, 2011), and Salmonella (Nguyen & Yuk, 2013) pose serious threats because of their strong resistance to disinfectants and their roles in nosocomial infections.…”
“…Abdallah et al (Chaturongkasumrit et al 2011). Furthermore, the concentration of ADBAC in the P4 product was 10 times higher than its concentration in the P3 product.…”
The relationship between the environmental conditions of biofilm formation and resistance to disinfectants was studied. Anti-biofilm assays were performed against biofilms grown at 20, 30 and 37°C on stainless steel and polycarbonate, over 24 and 48 h. A rise in growth temperature increased the resistance of 24 h biofilms to disinfectants containing didecyldimethylammonium chloride and decreased it to a disinfectant containing alkyldimethylbenzylammonium chloride. The increase in growth temperature coupled with an incubation time of 24 h promoted increases in both matrix production and the membrane rigidity of sessile cells. An increase in incubation time also increased both matrix production and the membrane rigidity of sessile cells. Such phenomena resulted in an increased resistance to disinfectants of biofilms grown at 20 and 30°C. The resistance of 48 h biofilms to disinfectants decreased with an increase in growth temperature despite the increase in matrix production and the membrane rigidity of sessile cells.
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