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Microorganisms 2017, 5(3), 38; doi:10.3390/microorganisms5030038

Strategies for Pathogen Biocontrol Using Lactic Acid Bacteria and Their Metabolites: A Focus on Meat Ecosystems and Industrial Environments

1
Centro de Referencia para Lactobacilos (CERELA), CONICET, Chacabuco 145, Tucumán T4000ILC, Argentina
2
INTI-Plásticos, Gral Paz 5445 e/Constituyentes y Albarelos, B1650KNA Gral, San Martín, Buenos Aires, Argentina
3
Instituto Nacional de Tecnología Agropecuaria INTA-EEA, Ruta Provincial 301 Km 32, Famaillá 4132, Tucumán, Argentina
*
Author to whom correspondence should be addressed.
Academic Editors: Régine Talon and Monique Zagorec
Received: 18 May 2017 / Revised: 23 June 2017 / Accepted: 7 July 2017 / Published: 11 July 2017
View Full-Text   |   Download PDF [328 KB, uploaded 11 July 2017]

Abstract

The globalization of trade and lifestyle ensure that the factors responsible for the emergence of diseases are more present than ever. Despite biotechnology advancements, meat-based foods are still under scrutiny because of the presence of pathogens, which causes a loss of consumer confidence and consequently a fall in demand. In this context, Lactic Acid Bacteria (LAB) as GRAS organisms offer an alternative for developing pathogen-free foods, particularly avoiding Listeria monocytogenes, with minimal processing and fewer additives while maintaining the foods’ sensorial characteristics. The use of LAB strains, enabling us to produce antimicrobial peptides (bacteriocins) in addition to lactic acid, with an impact on quality and safety during fermentation, processing, and/or storage of meat and ready-to-eat (RTE) meat products, constitutes a promising tool. A number of bacteriocin-based strategies including the use of bioprotective cultures, purified and/or semi-purified bacteriocins as well as their inclusion in varied packaging materials under different storage conditions, have been investigated. The application of bacteriocins as part of hurdle technology using non-thermal technologies was explored for the preservation of RTE meat products. Likewise, considering that food contamination with L. monocytogenes is a consequence of the post-processing manipulation of RTE foods, the role of bacteriocinogenic LAB in the control of biofilms formed on industrial surfaces is also discussed. View Full-Text
Keywords: biocontrol; lactic acid bacteria; bacteriocins; meat products biocontrol; lactic acid bacteria; bacteriocins; meat products
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Castellano, P.; Pérez Ibarreche, M.; Blanco Massani, M.; Fontana, C.; Vignolo, G.M. Strategies for Pathogen Biocontrol Using Lactic Acid Bacteria and Their Metabolites: A Focus on Meat Ecosystems and Industrial Environments. Microorganisms 2017, 5, 38.

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