Comparison of selected disinfectants efficiency against Listeria monocytogenes biofilm formed on various surfaces

International Microbiology : the Official Journal of the Spanish Society for Microbiology
K SkowronZ Paluszak

Abstract

Listeria monocytogenes is a main etiological factor of listeriosis, spread mainly by food products. In recent years, an increasing number of patients with listeriosis and an augmentation in L. monocytogenes antibiotic resistance, e.g. to penicillin and ampicillin, has been reported. The aim of the study was to characterise the L. monocytogenes strains isolated from fish-processed food products. Species identification, based on the multiplex-PCR reaction, was performed, and the genetic similarity of the isolates was analysed with the RAPD technique. The strains, in the form of planktonic cells and a biofilm, were subjected to drug-susceptibility analysis, and the effect of disinfectants on the bacillus cells was evaluated. All of the analysed strains were of the Listeria monocytogenes species. Three genetically distant strains were detected, i.e. Lm I, Lm II and Lm III. Approximately 66.6% penicillin-resistant and 66.6% cotrimoxazole-resistant strains were found. No erythromycin-resistant strain was detected. The Lm II strain was simultaneously resistant to four antibiotics, i.e. penicillin, ampicillin, meropenem and cotrimoxazole. The strongest biofilm was formed on aluminium foil and the weakest on rubber. The tested disinfect...Continue Reading

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Citations

May 1, 2020·Journal of Applied Microbiology·L K DygicoC M Burgess
Jul 28, 2020·Frontiers in Microbiology·Nur Fadhilah Khairil MokhtarRaha Abdul Rahim
Sep 3, 2020·EFSA Journal·UNKNOWN EFSA Panel on Biological Hazards (BIOHAZ)Ana Allende
Mar 7, 2021·International Journal of Environmental Research and Public Health·Conrado CarrascosaAntónio Raposo
Mar 28, 2021·International Journal of Food Microbiology·Danae SiderakouPanagiotis Skandamis
Apr 19, 2019·ACS Applied Materials & Interfaces·Kang HuangNitin Nitin

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Methods Mentioned

BETA
PCR
confection

Software Mentioned

CLIQS
Statistica

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