Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective
During meat processing, lactic acid bacteria (LAB) have to competitively adapt to the hostile environment produced by curing additives (CA). The objective of this study was to investigate the ability of <i>Latilactobacillus curvatus</i> CRL 705, a bioprotective strain of meat origin, to...
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MDPI AG
2023-11-01
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author | Lucrecia C. Terán Alejandra Orihuel Emilse Bentencourt Raúl Raya Silvina Fadda |
author_facet | Lucrecia C. Terán Alejandra Orihuel Emilse Bentencourt Raúl Raya Silvina Fadda |
author_sort | Lucrecia C. Terán |
collection | DOAJ |
description | During meat processing, lactic acid bacteria (LAB) have to competitively adapt to the hostile environment produced by curing additives (CA). The objective of this study was to investigate the ability of <i>Latilactobacillus curvatus</i> CRL 705, a bioprotective strain of meat origin, to adapt to CA. A physiological and proteomic approach was performed. CRL 705 was grown in a chemically defined medium (CDM) containing specific concentrations of CA (NaCl, nitrite, sucrose, and ascorbic acid). The results showed minor differences in growth kinetics in the presence of CA. Glucose consumption, present in the CDM, and production of lactic acid and bacteriocins were not significantly affected. Proteomic analyses indicated that most of the identified proteins (36 out of 39) mainly related to carbohydrate metabolism (18%), posttranslational modifications (15.6%), energy production and conversion (11.1%), translation (11.1%), and nucleotide metabolism (8.9%) were underexpressed. In response to the studied CA, CRL 705 slowed down its general metabolism, achieving slight changes in physiological and proteomic parameters. The observed performance is another characteristic that extends the well-known competitive profile of CRL 705 as a meat starter and bioprotective culture. This is the first report dealing with the impact of CA on LAB proteomics. |
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spelling | doaj.art-b17a21f9bc904e0d8edb8133acd931662023-12-22T13:53:21ZengMDPI AGBacteria2674-13342023-11-012414215410.3390/bacteria2040011Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic PerspectiveLucrecia C. Terán0Alejandra Orihuel1Emilse Bentencourt2Raúl Raya3Silvina Fadda4Centro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas (CERELA, CONICET), Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, ArgentinaCentro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas (CERELA, CONICET), Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, ArgentinaCentro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas (CERELA, CONICET), Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, ArgentinaCentro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas (CERELA, CONICET), Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, ArgentinaCentro de Referencia para Lactobacilos, Consejo Nacional de Investigaciones Científicas y Técnicas (CERELA, CONICET), Chacabuco 145, San Miguel de Tucumán T4000ILC, Tucumán, ArgentinaDuring meat processing, lactic acid bacteria (LAB) have to competitively adapt to the hostile environment produced by curing additives (CA). The objective of this study was to investigate the ability of <i>Latilactobacillus curvatus</i> CRL 705, a bioprotective strain of meat origin, to adapt to CA. A physiological and proteomic approach was performed. CRL 705 was grown in a chemically defined medium (CDM) containing specific concentrations of CA (NaCl, nitrite, sucrose, and ascorbic acid). The results showed minor differences in growth kinetics in the presence of CA. Glucose consumption, present in the CDM, and production of lactic acid and bacteriocins were not significantly affected. Proteomic analyses indicated that most of the identified proteins (36 out of 39) mainly related to carbohydrate metabolism (18%), posttranslational modifications (15.6%), energy production and conversion (11.1%), translation (11.1%), and nucleotide metabolism (8.9%) were underexpressed. In response to the studied CA, CRL 705 slowed down its general metabolism, achieving slight changes in physiological and proteomic parameters. The observed performance is another characteristic that extends the well-known competitive profile of CRL 705 as a meat starter and bioprotective culture. This is the first report dealing with the impact of CA on LAB proteomics.https://www.mdpi.com/2674-1334/2/4/11lactic acid bacteriabioprotective culturesmeat productsmeat processing conditionscuring agentsadaptive response |
spellingShingle | Lucrecia C. Terán Alejandra Orihuel Emilse Bentencourt Raúl Raya Silvina Fadda Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective Bacteria lactic acid bacteria bioprotective cultures meat products meat processing conditions curing agents adaptive response |
title | Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective |
title_full | Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective |
title_fullStr | Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective |
title_full_unstemmed | Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective |
title_short | Role of Curing Agents in the Adaptive Response of the Bioprotective <i>Latilactobacillus curvatus</i> CRL 705 from a Physiologic and Proteomic Perspective |
title_sort | role of curing agents in the adaptive response of the bioprotective i latilactobacillus curvatus i crl 705 from a physiologic and proteomic perspective |
topic | lactic acid bacteria bioprotective cultures meat products meat processing conditions curing agents adaptive response |
url | https://www.mdpi.com/2674-1334/2/4/11 |
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