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Koskeroglu K, Barel M, Hizlisoy H, Yildirim Y. “Biofilm Formationand Antibiotic Resistance Profiles of Water-borne Pathogens. Res Microbiol 2023:104056. [PMID: 37004897 DOI: 10.1016/j.resmic.2023.104056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023]
Abstract
Water sources (surface water, drinking water, rivers, and ponds) are significant reservoirs for transmitting antibiotic-resistant bacteria. In addition, these waters are an important public health problem because they are suitable environments for transferring antibiotic resistance genes between bacterial species. Our study aimed to assess the prevalence of Extended-spectrum beta-lactamase (ESBL) producing isolates in water samples, the susceptibility of the isolates to the specified antibiotics, the determination of biofilm ability, antibiotic resistance genes, and the molecular typing of the isolates. For this purpose, Polymerase chain reaction (PCR) and Matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) analyses were used. Out of 70 isolates, 15 (21%) were ESBL producing, and sent for the MALDI-TOF analysis, where Escherichia coli, Acinetobacter calcoaceticus, Enterobacter bugandensis, Acinetobacter pittii, Pseudomonas aeruginosa, Acinetobacter junii, Pseudomonas oleovorans, and Enterobacter ludwigigii were identified. Moreover, colistin resistance genes (mcr1/2/6, mcr 4, mcr 5, mcr 3/7, and mcr 8), ESBL-encoding genes(blaSHV, blaTEM, and blaCTX-M) and carbapenemase genes (blaNDM, blaOXA-48, and blaKPC) using molecular analysis (PCR) were confirmed. The colistin resistance gene was detected at 80% (12/15) in the isolates obtained. The distribution of these isolates according to resistance genes was found as mcr 1/2/6 4 (20%), mcr3/7 3 (13%), and mcr 5 (40%). Additionally, the isolates harbored blaSHV(6.6%) and blaTEM (6.6%) genes. However, blaNDM, blaOXA-48, blaKPC, and blaCTX-M genes were not detected in any isolates. According to the Congo red agar method, seven (46.6%) isolates showed negative biofilm ability, and eight (53.3%) showed moderate biofilm ability. However, the microplate method detected weak biofilm in 53.3% of the isolates.In conclusion, this study provides evidence for the existence of multidrug-resistant bacteria that co-exist with mcr and ESBL genes in water sources. These bacteria can migrate to other environments and pose increasing threats to public health.
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Affiliation(s)
- Kursat Koskeroglu
- Erciyes University, Faculty of Veterinary Medicine, Department of Veterinary Public Health, Kayseri, Turkey.
| | - Mukaddes Barel
- Erciyes University, Faculty of Veterinary Medicine, Department of Veterinary Public Health, Kayseri, Turkey
| | - Harun Hizlisoy
- Erciyes University, Faculty of Veterinary Medicine, Department of Veterinary Public Health, Kayseri, Turkey
| | - Yeliz Yildirim
- Erciyes University, Faculty of Veterinary Medicine, Department of Veterinary Public Health, Kayseri, Turkey
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Ammoun I, Kothe CI, Mohellibi N, Beal C, Yaacoub R, Renault P. Lebanese fermented goat milk products: From tradition to meta-omics. Food Res Int 2023; 168:112762. [PMID: 37120212 DOI: 10.1016/j.foodres.2023.112762] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023]
Abstract
Ambriss, Serdaleh and Labneh El Darff are traditional Lebanese products made from fermented goat's milk. A questionnaire completed by 50 producers of these products showed that they are prepared by periodic percolation either by milk or by Laban in amphora or goat skins during the lactation season. Production is carried out on a small scale and in a limited number of production units, often by elderly people, resulting in a real risk of disappearance of these products and loss of the corresponding microbial resources. In this study, 34 samples from 18 producers were characterized by culture-dependent and -independent analyses. The results obtained from these two methods were radically different, the latter revealing in Ambriss and Serdaleh the co-dominance of Lactobacillus kefiranofaciens, a fastidious-growing species, and Lactococcus lactis in a viable but not culturable state. Overall, their composition is reminiscent of kefir grains. Phylogenomic and functional analyses of the genomes of the key species Lb. kefiranofaciens have revealed differences from those found in kefir, particularly in their polysaccharide genes, which may explain the absence of grains. However, Labneh El Darff displayed a dominance of Lactobacillus delbrueckii, probably due to the addition of Laban. In addition, the study identified several zoonotic pathogens, including Streptococcus parasuis, which dominated in one sample. Metagenome-Assembled Genome (MAG) analysis indicated that this pathogen acquired lactose utilization genes through horizontal gene transfer. The contamination of the herd with Mycoplasmopsis agalactiae in the Chouf region was also revealed by MAG analysis of the Serdaleh samples. Antibiotic resistance genes were detected in most of the samples, particularly in the Serdaleh ones, where the dominant L. lactis strains possessed a plasmid with a multi-resistance island. Finally, this study paves the way for further analyses to shed light on the resilience of these ecosystems established in amphora or in goatskins and to improve hygiene practices for milk production.
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Affiliation(s)
- I Ammoun
- Université Paris-Saclay, INRAE, Micalis Institute, 78350 Jouy-en-Josas, France; Lebanese Agricultural Research Institute (LARI), Milk and Milk Products Department, Fanar, Lebanon
| | - C I Kothe
- Université Paris-Saclay, INRAE, Micalis Institute, 78350 Jouy-en-Josas, France; Sustainable Food Innovation Group, The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Denmark
| | - N Mohellibi
- Université Paris-Saclay, INRAE, Micalis Institute, 78350 Jouy-en-Josas, France
| | - C Beal
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91120, Palaiseau, France
| | - R Yaacoub
- Lebanese University, Faculty of Agricultural and Veterinary Sciences, Food Science and Technology Department, Dekwaneh, Lebanon
| | - P Renault
- Université Paris-Saclay, INRAE, Micalis Institute, 78350 Jouy-en-Josas, France.
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Edris SN, Hamad A, Awad DAB, Sabeq II. Prevalence, antibiotic resistance patterns, and biofilm formation ability of Enterobacterales recovered from food of animal origin in Egypt. Vet World 2023; 16:403-413. [PMID: 37042006 PMCID: PMC10082721 DOI: 10.14202/vetworld.2023.403-413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 01/30/2023] [Indexed: 03/04/2023] Open
Abstract
Background and Aim: The majority of animal-derived food safety studies have focused on foodborne zoonotic agents; however, members of the opportunistic Enterobacteriaceae (Ops) family are increasingly implicated in foodborne and public health crises due to their robust evolution of acquiring antimicrobial resistance and biofilms, consequently require thorough characterization, particularly in the Egyptian food sector. Therefore, this study aimed to determine the distribution and prevalence of Enterobacteriaceae family members in animal-derived foods, as well as their resistance to important antimicrobials and biofilm-forming potential.
Materials and Methods: A total of 274 beef, rabbit meat, chicken meat, egg, butter, and milk samples were investigated for the presence of Enterobacteriaceae. All isolated strains were first recognized using traditional microbiological techniques. Following that, matrix-assisted laser desorption ionization-time of flight mass spectrometry was used to validate the Enterobacteriaceae's identity. The isolated enterobacteria strains were tested on disk diffusion and crystal violet quantitative microtiter plates to determine their antibiotic resistance and capacity to form biofilms.
Results: There have been thirty isolates of Enterobacteriaceae from seven different species and four genera. Out of the three food types, Pseudomonas aeruginosa had the highest prevalence rate (4.1%). With three species, Enterobacter genera had the second-highest prevalence (3.28%) across five different food categories. In four different food types, the Klebsiella genera had the second-highest distribution and third-highest incidence (2.55%). Almost all isolates, except three Proteus mirabilis, showed prominent levels of resistance, particularly to beta-lactam antibiotics. Except for two Enterobacter cloacae and three P. mirabilis isolates, all isolates were classified as multidrug-resistant (MDR) or extensively multidrug-resistant (XDR). The multiple antibiotic resistance index (MARI) of the majority of isolates dropped between 0.273 and 0.727. The highest MARI was conferred by Klebsiella pneumoniae, at 0.727. Overall, 83.33% of the isolates had strong biofilm capacity, while only 16.67% exhibited moderate capacity.
Conclusion: The MDR, XDR, and strong biofilm indicators confirmed in 83.33% of the currently tested Enterobacteriaceae from animal-derived foods suggest that, if not addressed, there may be rising risks to Egypt's economy and public health.
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Affiliation(s)
- Shimaa N. Edris
- Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt
| | - Ahmed Hamad
- Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt
| | - Dina A. B. Awad
- Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt
| | - Islam I. Sabeq
- Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt
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Mladenović KG, Grujović MŽ, Kocić-Tanackov SD, Bulut S, Iličić M, Degenek J, Semedo-Lemsaddek T. Serbian Traditional Goat Cheese: Physico-Chemical, Sensory, Hygienic and Safety Characteristics. Microorganisms 2021; 10:90. [PMID: 35056539 PMCID: PMC8778733 DOI: 10.3390/microorganisms10010090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/23/2021] [Accepted: 12/29/2021] [Indexed: 11/30/2022] Open
Abstract
This research project aimed to investigate the physico-chemical, sensory, hygienic and safety characteristics of raw goat milk, whey, brine and traditional goat cheese during the ripening period of 28 days. Physico-chemical parameters included the determination of dry matter, fat, ash, protein, pH, water activity and NaCl content. The presence of Enterobacteriaceae and fungi was estimated on milk and cheese samples, and a sensory panel evaluated the products' features and acceptability during ripening. The results show that the cheese under study belongs to the acid full-fat cheese group. A consumer panel attributed high scores to the goat cheese, until the 21st day of ripening. After this period, the overall features altered significantly, including augmented bitterness, odor intensification and the development of molds on the surface. The presence of fungi, associated with Enterobacteriaceae, suggests that the hygiene of the production processes needs to be improved. Regarding microbial safety, the detection of putative pathogens and antibiotic resistances recommend an active surveillance of traditional foods to avoid foodborne infections and/or the dissemination of resistant microorganisms along the food chain.
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Affiliation(s)
- Katarina G. Mladenović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijica bb, 34000 Kragujevac, Serbia;
| | - Mirjana Ž. Grujović
- Department of Science, Institute for Information Technologies, University of Kragujevac, Jovana Cvijica bb, 34000 Kragujevac, Serbia;
| | - Sunčica D. Kocić-Tanackov
- Faculty of Technology, University in Novi Sad, Cara Lazara 1, 21000 Novi Sad, Serbia; (S.D.K.-T.); (S.B.); (M.I.); (J.D.)
| | - Sandra Bulut
- Faculty of Technology, University in Novi Sad, Cara Lazara 1, 21000 Novi Sad, Serbia; (S.D.K.-T.); (S.B.); (M.I.); (J.D.)
| | - Mirela Iličić
- Faculty of Technology, University in Novi Sad, Cara Lazara 1, 21000 Novi Sad, Serbia; (S.D.K.-T.); (S.B.); (M.I.); (J.D.)
| | - Jovana Degenek
- Faculty of Technology, University in Novi Sad, Cara Lazara 1, 21000 Novi Sad, Serbia; (S.D.K.-T.); (S.B.); (M.I.); (J.D.)
| | - Teresa Semedo-Lemsaddek
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal;
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