Listeria monocytogenes is a foodborne pathogen able to persist in food industry and is responsible for a severe illness called listeriosis. The ability of L. monocytogenes to persist in environments is due to its capacity to form biofilms that are a sessile community of microorganisms embedded in a self-produced matrix of extracellular polymeric substances (EPS’s). In this review, we summarized recent efforts performed in order to better characterize the polymeric substances that compose the extracellular matrix (ECM) of L. monocytogenes biofilms. EPS extraction and analysis led to the identification of polysaccharides, proteins, extracellular DNA, and other molecules within the listerial ECM. All this knowledge will be useful for increasing food protection, suggesting effective strategies for the minimization of persistence of L. monocytogenes in food industry environments.

A look inside the Listeria monocytogenes biofilms extracellular matrix / A. Colagiorgi, P.A. DI CICCIO, E. Zanardi, S. Ghidini, A. Ianieri. - In: MICROORGANISMS. - ISSN 2076-2607. - 4:3(2016), pp. 22.22-22.33. [10.3390/microorganisms4030022]

A look inside the Listeria monocytogenes biofilms extracellular matrix

S. Ghidini
Penultimo
;
2016

Abstract

Listeria monocytogenes is a foodborne pathogen able to persist in food industry and is responsible for a severe illness called listeriosis. The ability of L. monocytogenes to persist in environments is due to its capacity to form biofilms that are a sessile community of microorganisms embedded in a self-produced matrix of extracellular polymeric substances (EPS’s). In this review, we summarized recent efforts performed in order to better characterize the polymeric substances that compose the extracellular matrix (ECM) of L. monocytogenes biofilms. EPS extraction and analysis led to the identification of polysaccharides, proteins, extracellular DNA, and other molecules within the listerial ECM. All this knowledge will be useful for increasing food protection, suggesting effective strategies for the minimization of persistence of L. monocytogenes in food industry environments.
Listeria monocytogenes; listeriosis; extracellular polymeric substances (EPS’s); biofilm; extracellular matrix; foodborne pathogens; food poisoning
Settore VET/04 - Ispezione degli Alimenti di Origine Animale
2016
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/1028072
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