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de Andrade Cavalari CM, Imazaki PH, Pirard B, Lebrun S, Vanleyssem R, Gemmi C, Antoine C, Crevecoeur S, Daube G, Clinquart A, de Macedo REF. Carnobacterium maltaromaticum as bioprotective culture against spoilage bacteria in ground meat and cooked ham. Meat Sci 2024; 211:109441. [PMID: 38301298 DOI: 10.1016/j.meatsci.2024.109441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/20/2023] [Accepted: 01/28/2024] [Indexed: 02/03/2024]
Abstract
This study assessed the bioprotective effect of Carnobacterium maltaromaticum (CM) against Pseudomonas fluorescens (PF) and Brochothrix thermosphacta (BT) in ground beef and sliced cooked ham stored in high- and low-oxygen-modified atmospheres (66/4/30% O2/N2/CO2 and 70/30% N2/CO2, respectively). Both meat products were inoculated with CM, PF, and BT individually or in combination and stored for 7 days (3 days at 4 °C + 4 days at 8 °C) for ground beef and 28 days (10 days at 4 °C + 18 days at 8 °C) for sliced cooked ham. Each food matrix was assigned to 6 treatments: NC (no bacterial inoculation, representing the indigenous bacteria of meat), CM, BT, PF, CM + BT, and CM + PF. Bacterial growth, pH, instrumental color, and headspace gas composition were assessed during storage. CM counts remained stable from inoculation and throughout the shelf-life. CM reduced the population of inoculated and indigenous spoilage bacteria, including BT, PF, and enterobacteria, and showed a negligible impact on the physicochemical quality parameters of the products. Furthermore, upon simulating the shelf-life of ground beef and cooked ham, a remarkable extension could be observed with CM. Therefore, CM could be exploited as a biopreservative in meat products to enhance quality and shelf-life.
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Affiliation(s)
- Caroline Maria de Andrade Cavalari
- Laboratory of Agrifood Food Research and Inovation (LAPIAgro), Graduate Program in Animal Science, School of Life Sciences, Pontifícia Universidade Católica do Paraná, Imaculada Conceição, 1155, Curitiba 80215-901, Brazil; Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Pedro Henrique Imazaki
- INTHERES, Université de Toulouse, INRAE, ENVT, 23 Chemin des Capelles, Toulouse 31300, France; Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Barbara Pirard
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Sarah Lebrun
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Raphael Vanleyssem
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Céline Gemmi
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Céline Antoine
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Sébastien Crevecoeur
- Laboratory of Food Microbiology, FARAH Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Georges Daube
- Laboratory of Food Microbiology, FARAH Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Antoine Clinquart
- Laboratory of Food Technology, Faculty of Veterinary Medicine & Fundamental and Applied Research for Animal and Health (FARAH) Research Unit, Université de Liège, Avenue de Cureghem 10, Liège 4000, Belgium
| | - Renata Ernlund Freitas de Macedo
- Laboratory of Agrifood Food Research and Inovation (LAPIAgro), Graduate Program in Animal Science, School of Life Sciences, Pontifícia Universidade Católica do Paraná, Imaculada Conceição, 1155, Curitiba 80215-901, Brazil.
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2
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Rodriguez-Caturla MY, Garre A, Castillo CJC, Zwietering MH, den Besten HMW, SantˈAna AS. Shelf life estimation of refrigerated vacuum packed beef accounting for uncertainty. Int J Food Microbiol 2023; 405:110345. [PMID: 37549599 DOI: 10.1016/j.ijfoodmicro.2023.110345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/24/2023] [Accepted: 07/27/2023] [Indexed: 08/09/2023]
Abstract
This study estimates the shelf life of vacuum packed beef meat (three muscles: striploin (longissimus thoracis et lumborum, LTL), tenderloin (psoas major, PM) and outside chuck (trapezius thoracis, TT)) at refrigeration temperatures (0 °C-10 °C) based on modelling the growth of two relevant groups of spoilage microorganisms: lactic acid bacteria (LAB) and Enterobacteriaceae. The growth models were developed combining a two-step and a one-step approach. The primary modelling was used to identify the parameters affecting the growth kinetics, guiding the definition of secondary growth models. For LAB, the secondary model included the effect of temperature and initial pH on the specific growth rate. On the other hand, the model for Enterobacteriaceae incorporated the effect of temperature on the specific growth rate and the lag phase; as well as the effect of the initial pH on the specific growth rate, the lag phase and the initial microbial count. We did not observe any significant effect of the type of muscle on the growth kinetics. Once the equations were defined, the models were fitted to the complete dataset using a one-step approach. Model validation was carried out by cross-validation, mitigating the impact of an arbitrary division between training and validation sets. The models were used to estimate the shelf life of the product, based on the maximum admissible microbial concentration (7 log CFU/g for LAB, 5 log CFU/g for Enterobacteriaceae). Although LAB was the dominant microbiota, in several cases, both LAB and Enterobacteriaceae reached the critical concentration practically at the same time. Furthermore, in some scenarios, the end of shelf life would be determined by Enterobacteriaceae, pointing at the potential importance of non-dominant microorganisms for product spoilage. These results can aid in the implementation of effective control measures in the meat processing industry.
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Affiliation(s)
- Magdevis Y Rodriguez-Caturla
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Alberto Garre
- Food Microbiology, Wageningen University, PO Box 17, 6700 AA Wageningen, the Netherlands
| | - Carmen Josefina Contreras Castillo
- Department of Agroindustry, Food and Nutrition, Luis Queiroz College of Agriculture, University of São Paulo, Piracicaba Campus, SP, Brazil
| | - Marcel H Zwietering
- Food Microbiology, Wageningen University, PO Box 17, 6700 AA Wageningen, the Netherlands
| | - Heidy M W den Besten
- Food Microbiology, Wageningen University, PO Box 17, 6700 AA Wageningen, the Netherlands
| | - Anderson S SantˈAna
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil.
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3
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Toomik E, Rood L, Bowman JP, Kocharunchitt C. Microbial spoilage mechanisms of vacuum-packed lamb meat: A review. Int J Food Microbiol 2023; 387:110056. [PMID: 36563532 DOI: 10.1016/j.ijfoodmicro.2022.110056] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
Lamb meat is an important export commodity, however chilled vacuum-packed (VP) lamb has approximately half the shelf-life of beef under the same storage conditions. This makes the industry more vulnerable to financial losses due to long shipping times and unexpected spoilage. Understanding the spoilage mechanisms of chilled VP lamb in relation to VP beef is important for developing effective strategies to extend the shelf-life of lamb. This review has discussed various key factors (i.e., pH, fat, and presence of bone) that have effects on microbial spoilage of VP lamb contributing to its shorter shelf-life relative to VP beef. A range of bacterial organisms and their metabolisms in relevance to lamb spoilage are also discussed. The data gap in the literature regarding the potential mechanisms of spoilage in VP red meat is highlighted. This review has provided the current understanding of key factors affecting the shelf-life of VP lamb relative to VP beef. It has also identified key areas of research to further understand the spoilage mechanisms of VP lamb. These include investigating the potential influence of fat and bone (including bone marrow) on the shelf-life, as well as assessing changes in the meat metabolome as the spoilage microbial community is developing using an integrated approach. Such new knowledge would aid the development of effective approaches to extend the shelf-life of VP lamb.
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Affiliation(s)
- Elerin Toomik
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 54, Hobart, TAS 7001, Australia.
| | - Laura Rood
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 54, Hobart, TAS 7001, Australia
| | - John P Bowman
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 54, Hobart, TAS 7001, Australia
| | - Chawalit Kocharunchitt
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 54, Hobart, TAS 7001, Australia
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4
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Gołaś I, Potorski JA. The Influence of Commercial Feed Supplemented with Carnobacterium maltaromaticum Environmental Probiotic Bacteria on the Rearing Parameters and Microbial Safety of Juvenile Rainbow Trout. Animals (Basel) 2022; 12:ani12233321. [PMID: 36496842 PMCID: PMC9741101 DOI: 10.3390/ani12233321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 11/29/2022] Open
Abstract
The aim of this study was to determine the effect of commercial feed (CF) supplemented with 0.1% of the Carnobacterium maltaromaticum environmental probiotic strain on the rearing parameters, apparent nutrient digestibility, and microbial safety of juvenile rainbow trout (Oncorhynchus mykiss). The fish were fed CF (control group, CG) and experimental feed (EF) supplemented with 0.1% of C. maltaromaticum (experimental group, EG) for 56 days. The final body weight and total body length of the fish were measured. The growth rate, condition factor, feed conversion ratio, viscerosomatic and hepatosomatic indices, and apparent digestibility coefficients of protein (PAD), lipids (LAD), ash (AAD), and nitrogen-free extract (NFEAD) were calculated. The total viable counts of C. maltaromaticum bacteria, mesophilic bacteria, hemolytic mesophilic bacteria, Pseudomonas fluorescens, Aeromonas hydrophila, Staphylococcus sp., and sulfite-reducing anaerobic spore-forming Clostridium sp. were determined in digestive tract contents and the skin of fish. Feed supplementation with C. maltaromaticum significantly affected most rearing parameters, as well as the PAD, LAD, AAD and NFE values, and bacterial counts. The principal component analysis (PCA) revealed significant positive correlations (p < 0.05) between fish growth rates, PAD and LAD values vs. C. maltaromaticum counts in the EF and in the digestive tract contents of the fish.
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Rood L, Bowman JP, Ross T, Corkrey R, Pagnon J, Kaur M, Kocharunchitt C. Spoilage potential of bacterial species from chilled vacuum-packed lamb. Food Microbiol 2022; 107:104093. [DOI: 10.1016/j.fm.2022.104093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/02/2022] [Accepted: 07/12/2022] [Indexed: 11/27/2022]
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Li M, Shi JN, You GM, Ma YS, Zhao QC. Characterization of bacterial communities in Coregonus peled fillets during chilled storage and interactions between selected bacterial strains. J Appl Microbiol 2022; 132:4359-4370. [PMID: 35393712 DOI: 10.1111/jam.15569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/22/2022] [Accepted: 04/04/2022] [Indexed: 11/29/2022]
Abstract
AIM Coregonus peled fillets were used as a model to evaluate the dominant bacterial growth of chilled fish during storage after shipping and interactions of selected bacterial strains. METHODS AND RESULTS C. peled fillets were transported by air and land in ice boxes about 48 h from aquatic products company in Xinjiang, China to the laboratory located in Dalian, China. Both culture-dependent methods (plate counts on nonselective media) based on 16S rRNA gene sequencing and culture-independent methods (Illumina-MiSeq high-throughput sequencing) were used. To detect interactions among bacterial populations from chilled fish, the influence of 18 test strains on the growth of 12 indicator isolates was measured by a drop assay and in liquid culture medium broth. The results showed that bacterial counts exceeded 7.0 log CFU/g following 4 days storage at 4 °C. When the bacterial counts exceeded 8.5 log CFU/g after 12 days, the predominant microorganisms were Aeromonas, Pseudomonas, Carnobacterium, Psychrobacter and Shewanella, as measured by culture-independent methods. All test strains showed inhibiting effects on the growth of other strains in liquid culture. Pseudomonas isolates showed antibacterial activity for approximately 60% of the indicator strains on nutritional agar plates. The majority of test isolates enhancing indicator strain growth were the strains isolated on day 0. CONCLUSIONS High-throughput sequencing approach gives whole picture of bacterial communities in C.peled fillets during storage, while growth interferences between selected bacterial strains illustrate the complexity of microbial interactions. SIGNIFICANCE AND IMPACT OF THE STUDY We determined the bacterial communities and growth interferences in chilled C.peled after shipping and these are the first data concerning microbiota in C.peled using a culture-independent analysis. The present study will be useful for manufacture and preservation of C.peled products by providing with valuable information regarding microbiological spoilage of C.peled.
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Affiliation(s)
- Meng Li
- College of Food Science and Engineering, Dalian Ocean University, Dalian, China.,Liaoning Provincial Aquatic Products Analyzing, Testing and Processing Technology Scientific Service Centre, Dalian, China.,Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Jia-Ning Shi
- College of Food Science and Engineering, Dalian Ocean University, Dalian, China
| | - Gao-Ming You
- College of Food Science and Engineering, Dalian Ocean University, Dalian, China
| | - Yong-Sheng Ma
- College of Food Science and Engineering, Dalian Ocean University, Dalian, China.,Liaoning Provincial Aquatic Products Analyzing, Testing and Processing Technology Scientific Service Centre, Dalian, China.,Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Qian-Cheng Zhao
- College of Food Science and Engineering, Dalian Ocean University, Dalian, China.,Liaoning Provincial Aquatic Products Analyzing, Testing and Processing Technology Scientific Service Centre, Dalian, China.,Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, China
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7
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He W, Yang H, Wang X, Li H, Dong Q. Growth of Salmonella Enteritidis in the presence of quorum sensing signaling compounds produced by Pseudomonas aeruginosa. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2021. [DOI: 10.1515/ijfe-2021-0089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Abstract
Quorum sensing (QS) can exist in food-related bacteria and potentially affect bacterial growth through acyl-homoserine lactones (AHLs). To verify the role of QS compounds in the cell-free supernatant, this study examined the effect of supernatant extracted from Pseudomonas aeruginosa culture on the growth kinetics of Salmonella Enteritidis. The results showed that the lag time (λ) of S. Enteritidis was apparently reduced (p < 0.05) under the influence of P. aeruginosa culture supernatant compared with the S. Enteritidis culture supernatant. HPLC-MS/MS test demonstrated that AHLs secreted by P. aeruginosa were mainly C14-HSL with a content of 85.71 μg/mL and a small amount of 3-oxo-C12-HSL. In addition, the commercially synthetic C14-HSL had positive effects on the growth of S. Enteritidis, confirming once again that the growth of S. Enteritidis was affected by AHL metabolized by other bacteria and the complexity of bacterial communication.
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Affiliation(s)
- Weijia He
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology , Shanghai, 516 Jungong Rd. , Shanghai 200093 , P. R. China
| | - Huamei Yang
- Taizhou Center for Disease Control and Prevention , Taizhou , Jiangsu 225300 , P. R. China
| | - Xiang Wang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology , Shanghai, 516 Jungong Rd. , Shanghai 200093 , P. R. China
| | - Hongmei Li
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology , Shanghai, 516 Jungong Rd. , Shanghai 200093 , P. R. China
| | - Qingli Dong
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology , Shanghai, 516 Jungong Rd. , Shanghai 200093 , P. R. China
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8
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Christensen IB, Vedel C, Clausen ML, Kjærulff S, Agner T, Nielsen DS. Targeted Screening of Lactic Acid Bacteria With Antibacterial Activity Toward Staphylococcus aureus Clonal Complex Type 1 Associated With Atopic Dermatitis. Front Microbiol 2021; 12:733847. [PMID: 34603263 PMCID: PMC8486014 DOI: 10.3389/fmicb.2021.733847] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/23/2021] [Indexed: 01/30/2023] Open
Abstract
Atopic dermatitis (AD) is a common inflammatory skin disease characterized by an epidermal barrier impairment, as well as a Th2/Th22-skewed immune response, both favoring skin colonization with Staphylococcus aureus. Colonization is strongly related to severity of the disease, and a reduction of S. aureus has been found to alleviate symptoms. Lactic acid bacteria (LAB) produce antimicrobial compounds such as organic acids and bacteriocins and are widely used as probiotics. The aim of this study was to isolate LAB and screen for antibacterial effect specifically toward S. aureus clonal complex type 1. A total of 680 LAB were isolated from fermented vegetables and swab samples from healthy volunteers (vaginal, stool and skin). Screening for antibacterial activity toward S. aureus, narrowed the field of isolates down to four LAB strains with high antibacterial activity. The activity varied according to the specific LAB strain and the origin of the strain. The results suggested different modes of action, including co-aggregation, expression of bacteriocins and production of specific organic acids. However, the ability to acidify the surroundings appeared as the main effect behind inhibition of S. aureus. Broth microdilution assays showed a significant reduction of S. aureus growth when using down to 10% cell free supernatant (CFS). Our results underline the use of specific living LAB or their CFS as potential future treatment strategies to reduce S. aureus colonization of AD skin.
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Affiliation(s)
- Ida B Christensen
- Lactobio A/S, Copenhagen, Denmark.,Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | - Maja-Lisa Clausen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | - Tove Agner
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Dennis S Nielsen
- Department of Food Science, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
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9
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Gonzalo M, Deveau A, Aigle B. Inhibitions Dominate but Stimulations and Growth Rescues Are Not Rare Among Bacterial Isolates from Grains of Forest Soil. MICROBIAL ECOLOGY 2020; 80:872-884. [PMID: 32879989 DOI: 10.1007/s00248-020-01579-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 08/18/2020] [Indexed: 06/11/2023]
Abstract
Soil is a complex environment made of multiple microhabitats in which a wide variety of microorganisms co-exist and interact to form dynamic communities. While the abiotic factors that regulate the structure of these communities are now quite well documented, our knowledge of how bacteria interact with each other within these communities is still insufficient. Literature reveals so far contradictory results and is mainly focused on antagonistic interactions. To start filling this gap, we isolated 35 different bacterial isolates from grains of soil assuming that, at this scale, these bacteria would have been likely interacting in their natural habitat. We tested pairwise interactions between all isolates from each grain and scored positive and negative interactions. We compared the effects of simultaneous versus delayed co-inoculations, allowing or not to a strain to modify first its environment. One hundred fifty-seven interactions, either positive or negative, were recorded among the 525 possible one's. Members of the Bacillus subtilis, Pseudomonas and Streptomyces genera were responsible for most inhibitions, while positive interactions occurred between isolates of the Bacillales order and only in delayed inoculation conditions. Antagonist isolates had broad spectral abilities to acquire nutrients from organic and inorganic matter, while inhibited isolates tended to have little potentials. Despite an overall domination of antagonistic interactions (87%), a third of the isolates were able to stimulate or rescue the growth of other isolates, suggesting that cooperation between bacteria may be underestimated.
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Affiliation(s)
- Milena Gonzalo
- Université de Lorraine, INRAE, IAM, F-54000, Nancy, France
- Université de Lorraine, INRAE , DynAMic, F-54000, Nancy, France
| | - Aurélie Deveau
- Université de Lorraine, INRAE, IAM, F-54000, Nancy, France.
| | - Bertrand Aigle
- Université de Lorraine, INRAE , DynAMic, F-54000, Nancy, France.
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10
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Kaur M, Williams M, Bissett A, Ross T, Bowman JP. Effect of abattoir, livestock species and storage temperature on bacterial community dynamics and sensory properties of vacuum packaged red meat. Food Microbiol 2020; 94:103648. [PMID: 33279073 DOI: 10.1016/j.fm.2020.103648] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 08/26/2020] [Accepted: 09/18/2020] [Indexed: 12/12/2022]
Abstract
Shelf life of red meat is influenced by a number of intrinsic and extrinsic factors making its prediction challenging. Here we investigated the influence of geographically distant abattoir facilities and storage temperature relevant to commercial supply chain on the shelf lives of vacuum packaged (VP) beef and lamb meat. Samples of VP beef and lamb were analysed for surface pH, total viable counts, lactic acid bacterial counts, sensory properties, and associated bacterial community using Illumina MiSeq based 16S rRNA gene amplicon sequencing over a period of >200 days. The consistent 0.41 pH unit difference between beef and lamb was found to have a profound effect on bacterial community diversity and composition, bacterial growth rates and the rate of loss of sensory quality. Though different community structures were derived from different abattoir source, bacterial growth rate and rate of sensory quality deterioration were found to be comparable for individual meat type. The greatest variation in rates was found resulting from storage temperature and livestock species themselves. Our findings indicate that bacterial growth and sensory quality loss are essentially predictable when considering their temperature dependency, however for successful meat export validation of shelf life predictive models is required due to stochastic variation in abattoir seeded bacterial populations.
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Affiliation(s)
- Mandeep Kaur
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmanian, Hobart, Tasmania, Australia.
| | - Michelle Williams
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmanian, Hobart, Tasmania, Australia
| | - Andrew Bissett
- Commonwealth Scientific and Industrial Research Organisation, Hobart, Australia
| | - Tom Ross
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmanian, Hobart, Tasmania, Australia
| | - John P Bowman
- Centre for Food Safety and Innovation, Tasmanian Institute of Agriculture, University of Tasmanian, Hobart, Tasmania, Australia
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11
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Mohsina K, Ratkowsky DA, Bowman JP, Powell S, Kaur M, Tamplin ML. Effect of glucose, pH and lactic acid on Carnobacterium maltaromaticum, Brochothrix thermosphacta and Serratia liquefaciens within a commercial heat-shrunk vacuum-package film. Food Microbiol 2020; 91:103515. [PMID: 32539954 DOI: 10.1016/j.fm.2020.103515] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 03/26/2020] [Accepted: 04/15/2020] [Indexed: 10/24/2022]
Abstract
Carnobacterium maltaromaticum, Brochothrix thermosphacta and Serratia liquefaciens are common spoilage organisms found within the microbiome of refrigerated vacuum-packaged (VP) beef. Extending and predicting VP beef shelf-life requires knowledge about how spoilage bacteria growth is influenced by environmental extrinsic and intrinsic factors. Multifactorial effects of pH, lactic acid (LA) and glucose on growth kinetics were quantified for C. maltaromaticum, B. thermosphacta and S. liquefaciens within a heat shrink-wrapped VP commercial film containing a simulated beef medium. LA, pH, and undissociated lactic acid (UDLA) significantly affected bacterial growth rate (p < 0.001), whereas 5.55 mM glucose produced a marginal effect. At 1.12 mM UDLA, growth rate and maximum population density decreased 20.9 and 3.5%, 56 and 7%, and 11 and 2% for C. maltaromaticum, B. thermosphacta, and S. liquefaciens, respectively.
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Affiliation(s)
| | | | | | - Shane Powell
- University of Tasmania, Hobart, Tasmania, Australia
| | - Mandeep Kaur
- University of Tasmania, Hobart, Tasmania, Australia
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12
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Ramia NE, Mangavel C, Gaiani C, Muller-Gueudin A, Taha S, Revol-Junelles AM, Borges F. Nested structure of intraspecific competition network in Carnobacterium maltaromaticum. Sci Rep 2020; 10:7335. [PMID: 32355239 PMCID: PMC7193615 DOI: 10.1038/s41598-020-63844-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 04/02/2020] [Indexed: 11/10/2022] Open
Abstract
While competition targeting food-borne pathogens is being widely documented, few studies have focused on competition among non-pathogenic food bacteria. Carnobacterium maltaromaticum is a genetically diverse lactic acid bacterium known for comprising several bacteriocinogenic strains with bioprotective potentialities against the food-borne pathogen Listeria monocytogenes. The aim of our study is to examine the network properties of competition among a collection of 73 strains of C. maltaromaticum and to characterize their individual interaction potential. The performed high-throughput competition assays, investigating 5 329 pairwise interactions, showed that intraspecific competition was major in C. maltaromaticum with approximately 56% of the sender strains antagonizing at least one receiver strain. A high diversity of inhibitory and sensitivity spectra was identified along with a majority of narrow inhibitory as well as sensitivity spectra. Through network analysis approach, we determined the highly nested architecture of C. maltaromaticum competition network, thus showing that competition in this species is determined by both the spectrum width of the inhibitory activity of sender strains and the spectrum width of the sensitivity of receiver strains. This study provides knowledge of the competition network in C. maltaromaticum that could be used in rational assembly of compatible microbial strains for the design of mixed starter cultures.
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Affiliation(s)
- Nancy E Ramia
- Université de Lorraine, LIBio, F-54000, Nancy, France.,Laboratoire de Biotechnologies Appliquées, EDST, Université Libanaise, Tripoli, Lebanon
| | | | - Claire Gaiani
- Université de Lorraine, LIBio, F-54000, Nancy, France
| | | | - Samir Taha
- Laboratoire de Biotechnologies Appliquées, EDST, Université Libanaise, Tripoli, Lebanon
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Koutsoumanis K, Allende A, Alvarez‐Ordóñez A, Bolton D, Chemaly M, Davies R, De Cesare A, Herman L, Hilbert F, Lindqvist R, Nauta M, Peixe L, Ru G, Simmons M, Skandamis P, Suffredini E, Arason S, Bekaert K, García MR, Georgiadis M, Messens W, Mosbach‐Schulz O, Bover‐Cid S. The use of the so-called 'tubs' for transporting and storing fresh fishery products. EFSA J 2020; 18:e06091. [PMID: 32874299 PMCID: PMC7448070 DOI: 10.2903/j.efsa.2020.6091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
On-land transport/storage of fresh fishery products (FFP) for up to 3 days in 'tubs' of three-layered poly-ethylene filled with freshwater and ice was compared to the currently authorised practice (fish boxes of high-density poly-ethylene filled with ice). The impact on the survival and growth of biological hazards in fish and the histamine production in fish species associated with a high amount of histidine was assessed. In different modelling scenarios, the FFP are stored on-board in freshwater or seawater/ice (in tubs) and once on-land they are 'handled' (i.e. sorted or gutted and/or filleted) and transferred to either tubs or boxes. The temperature of the FFP was assumed to be the most influential factor affecting relevant hazards. Under reasonably foreseeable 'abusive' scenarios and using a conservative modelling approach, the growth of the relevant hazards (i.e. Listeria monocytogenes, Aeromonas spp. and non-proteolytic Clostridium botulinum), is expected to be < 0.2 log10 units higher in tubs than in boxes after 3 days when the initial temperature of the fish is 0°C ('keeping' process). Starting at 7°C ('cooling-keeping' process), the expected difference in the growth potential is higher (< 1 log10 for A. hydrophila and < 0.5 log10 for the other two hazards) due to the poorer cooling capacity of water and ice (tub) compared with ice (box). The survival of relevant hazards is not or is negligibly impacted. Histamine formation due to growth of Morganella psychrotolerans under the 'keeping' or 'cooling-keeping' process can be up to 0.4 ppm and 1.5 ppm higher, respectively, in tubs as compared to boxes after 3 days, without reaching the legal limit of 100 ppm. The water uptake associated with the storage of the FFP in tubs (which may be up to 6%) does not make a relevant contribution to the differences in microbial growth potential compared to boxes.
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Complementary Antibacterial Effects of Bacteriocins and Organic Acids as Revealed by Comparative Analysis of Carnobacterium spp. from Meat. Appl Environ Microbiol 2019; 85:AEM.01227-19. [PMID: 31399404 DOI: 10.1128/aem.01227-19] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 07/24/2019] [Indexed: 12/17/2022] Open
Abstract
Carnobacterium maltaromaticum and Carnobacterium divergens are often predominant in the microbiota of vacuum-packaged (VP) meats after prolonged storage at chiller temperatures, and more so in recent studies. We investigated the antibacterial activities of C. maltaromaticum and C. divergens (n = 31) from VP meats by phenotypic characterization and genomic analysis. Five strains showed antibacterial activities against Gram-positive bacteria in a spot-lawn assay, with C. maltaromaticum strains having an intergeneric and C. divergens strains an intrageneric inhibition spectrum. This inhibitory activity is correlated with the production of predicted bacteriocins, including carnobacteriocin B2 and carnolysin for C. maltaromaticum and divergicin A for C. divergens The supernatants of both species cultured in meat juice medium under anaerobic conditions retarded the growth of most Gram-positive and Gram-negative bacteria in broth assay in a strain-dependent manner. C. maltaromaticum and C. divergens produced formate and acetate but not lactate under VP meat-relevant conditions. The relative inhibitory activity by Carnobacterium strains was significantly correlated (P < 0.05) to the production of both acids. Genomic analysis revealed the presence of genes required for respiration in both species. In addition, two clusters of C. divergens have an average nucleotide identity below the cutoff value for species delineation and thus should be considered to be two subspecies. In conclusion, both bacteriocins and organic acids are factors contributing significantly to the antibacterial activity of C. maltaromaticum and C. divergens under VP meat-relevant conditions. A few Carnobacterium strains can be explored as protective cultures to extend the shelf life and improve the safety of VP meats.IMPORTANCE The results of this study demonstrated that both bacteriocins and organic acids are important factors contributing to the antibacterial activities of Carnobacterium from vacuum-packaged (VP) meats. This study demonstrated that formate and acetate are the key organic acids produced by Carnobacterium and demonstrated their association with the inhibitory activity of carnobacteria under VP meat-relevant storage conditions. The role of lactate, on the other hand, may not be as important as previously believed in the antimicrobial activities of Carnobacterium spp. on chilled VP meats. These findings advance our understanding of the physiology of Carnobacterium spp. to better explore their biopreservative properties for chilled VP meats.
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Zhang P, Badoni M, Gänzle M, Yang X. Growth of Carnobacterium spp. isolated from chilled vacuum-packaged meat under relevant acidic conditions. Int J Food Microbiol 2018; 286:120-127. [DOI: 10.1016/j.ijfoodmicro.2018.07.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 05/01/2018] [Accepted: 07/27/2018] [Indexed: 01/22/2023]
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Wang H, He A, Yang X. Dynamics of microflora on conveyor belts in a beef fabrication facility during sanitation. Food Control 2018. [DOI: 10.1016/j.foodcont.2017.09.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Kaur M, Shang H, Tamplin M, Ross T, Bowman JP. Culture-dependent and culture-independent assessment of spoilage community growth on VP lamb meat from packaging to past end of shelf-life. Food Microbiol 2017; 68:71-80. [DOI: 10.1016/j.fm.2017.06.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 06/13/2017] [Accepted: 06/23/2017] [Indexed: 12/20/2022]
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Zhang P, Kaur M, Bowman JP, Ratkowsky DA, Tamplin M. Effect of Environmental Factors on Intra-Specific Inhibitory Activity of Carnobacterium maltaromaticum. Microorganisms 2017; 5:E59. [PMID: 28906433 PMCID: PMC5620650 DOI: 10.3390/microorganisms5030059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/06/2017] [Accepted: 09/07/2017] [Indexed: 01/04/2023] Open
Abstract
Carnobacterium maltaromaticum is frequently associated with foods having extended shelf-life due to its inhibitory activity to other bacteria. The quantification of such inhibition interactions affected by various environmental factors is limited. This study investigated the effect of environmental factors relevant to vacuum-packaged beef on inhibition between two model isolates of C. maltaromaticum, D0h and D8c, specifically D8c sensitivity to D0h inhibition and D0h inhibitor production. The effects of temperature (-1, 7, 15, 25 °C), atmosphere (aerobic and anaerobic), pH (5.5, 6, 6.5), lactic acid (0, 25, 50 mM) and glucose (0, 0.56, 5.55 mM) on D8c sensitivity (diameter of an inhibition zone) were measured. The effects of pH, glucose, lactic acid and atmosphere on D0h inhibitor production were measured at 25 °C. Sensitivity of D8c was the highest at 15 °C, under aerobic atmosphere, at higher concentrations of undissociated lactic acid and glucose, and at pH 5.5 (p < 0.001). pH significantly affected D0h inhibitor production (p < 0.001), which was the highest at pH 6.5. The effect of lactic acid depended upon pH level; at relatively low pH (5.5), lactic acid decreased the production rate (arbitrary inhibition unit (AU)/mL/h). This study provides a quantitative description of intra-species interactions, studied in in vitro environments that are relevant to vacuum-packaged beef.
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Affiliation(s)
- Peipei Zhang
- Tasmanian Institute of Agriculture, Food Safety Centre, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia.
| | - Mandeep Kaur
- Tasmanian Institute of Agriculture, Food Safety Centre, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia.
| | - John P Bowman
- Tasmanian Institute of Agriculture, Food Safety Centre, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia.
| | - David A Ratkowsky
- Tasmanian Institute of Agriculture, Food Safety Centre, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia.
| | - Mark Tamplin
- Tasmanian Institute of Agriculture, Food Safety Centre, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia.
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Wang GY, Ma F, Wang HH, Xu XL, Zhou GH. Characterization of Extracellular Polymeric Substances Produced byPseudomonas fragiUnder Air and Modified Atmosphere Packaging. J Food Sci 2017; 82:2151-2157. [DOI: 10.1111/1750-3841.13832] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 06/29/2017] [Accepted: 07/05/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Guang-Yu Wang
- Key Laboratory of Meat Processing and Quality Control; Nanjing Agricultural Univ.; Nanjing Jiangsu China
| | - Fang Ma
- College of Veterinary Medicine; Nanjing Agriculture Univ.; Nanjing, Jiangsu 210095 P. R. China
| | - Hu-Hu Wang
- Key Laboratory of Meat Processing and Quality Control; Nanjing Agricultural Univ.; Nanjing Jiangsu China
| | - Xing-Lian Xu
- Key Laboratory of Meat Processing and Quality Control; Nanjing Agricultural Univ.; Nanjing Jiangsu China
| | - Guang-hong Zhou
- Collaborative Innovation Center of Food Safety and Nutrition, College of Food Science and Technology; Nanjing Agricultural Univ.; Nanjing Jiangsu China
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Kaur M, Bowman JP, Porteus B, Dann AL, Tamplin M. Effect of abattoir and cut on variations in microbial communities of vacuum-packaged beef. Meat Sci 2017; 131:34-39. [PMID: 28458086 DOI: 10.1016/j.meatsci.2017.04.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 03/30/2017] [Accepted: 04/20/2017] [Indexed: 11/16/2022]
Abstract
This report builds on the earlier studies of the shelf-life of chilled Australian vacuum packaged (VP) beef primals (striploin and cube roll), products distinguished in the global marketplace for unusually long shelf-life. Notable findings in those studies were a shelf-life of at least 26weeks at -0.5°C, low microbial counts, and relatively high sensory scores. However, growth rates for total viable counts (TVC) and lactic acid bacteria (LAB) varied among the different abattoirs. The present study adds to these findings, by providing greater definition about temporal changes in bacterial communities using terminal restriction fragment length polymorphism (TRFLP) and clone library analyses of 16S ribosomal RNA (16S rRNA) gene, and measuring statistical associations among abattoir, beef cut, storage time and sensory attributes. Bacterial communities changed over time, with Carnobacterium spp. typically predominating (29-97%) at the end of storage. Variation in TRFLP profiles showed that different Carnobacterium strains predominated in different abattoirs, and that additional variation was due to the presence of other taxa typical of VP meat microbiomes. TRFLP-based community structure correlated significantly (P≤0.01) with sensorial characteristics, such as vacuum integrity, confinement odour, and intact pack appearance of beef. This study shows that Carnobacterium spp. predominate on extended shelf-life VP beef primals, while other taxa may produce subtle effects on shelf-life duration.
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Affiliation(s)
- Mandeep Kaur
- Tasmanian Institute of Agriculture, School of Land and Food, University of Tasmania, Sandy Bay Campus, Hobart, Tasmania 7005, Australia.
| | - John P Bowman
- Tasmanian Institute of Agriculture, School of Land and Food, University of Tasmania, Sandy Bay Campus, Hobart, Tasmania 7005, Australia
| | - Bianca Porteus
- Tasmanian Institute of Agriculture, School of Land and Food, University of Tasmania, Sandy Bay Campus, Hobart, Tasmania 7005, Australia
| | - Alison L Dann
- Tasmanian Institute of Agriculture, School of Land and Food, University of Tasmania, Sandy Bay Campus, Hobart, Tasmania 7005, Australia
| | - Mark Tamplin
- Tasmanian Institute of Agriculture, School of Land and Food, University of Tasmania, Sandy Bay Campus, Hobart, Tasmania 7005, Australia
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