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Schuch JM, Mendes CR, Cardoso GL, André da Veiga Lima Rosa Costamilan C, Matos Lopes PR, Montagnolli RN, Dilarri G, Bidoia ED. Neem Essential Oil as an Antifungal Agent against Phyllosticta citricarpa. Int J Microbiol 2024; 2024:6251407. [PMID: 39071039 PMCID: PMC11281856 DOI: 10.1155/2024/6251407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 05/28/2024] [Accepted: 07/02/2024] [Indexed: 07/30/2024] Open
Abstract
The fungus Phyllosticta citricarpa is a quarantine phytopathogen responsible for causing citrus black spot (CBS) disease. To export fruits to CBS-free countries, they must undergo a sanitation process to ensure disease control. In this study, neem essential oil (NEO) was tested against P. citricarpa for the first time as an alternative sanitizer. In vitro experiments were conducted to determine the inhibition concentration of NEO for P. citricarpa, and the mode of action of the essential oil was evaluated. In vivo assays were performed to simulate the sanitization process used in packinghouses. NEO was characterized by GC-MS/MS. The results revealed that NEO at 100 μL·mL-1 exhibited a similar inhibitory effect as copper oxychloride, suppressing 89.68 ± 1.14% of fungal mycelium growth. Fluorescence microscopy experiments demonstrated that NEO functions by disrupting the cytoplasmic membrane of fungal hyphae, leading to their death within 30 minutes of contact with NEO. GC-MS/MS characterization revealed a high presence of phenolic compounds, which serve as the primary antifungal agents responsible for the action against fungal hyphae. In vivo assays showed that NEO at 100 μL·mL-1 also reduced microorganisms (CFU mL-1) by 93.00 ± 3.88% compared to the negative control. Overall, the results demonstrate that NEO can effectively serve as an alternative sanitizer against P. citricarpa in citrus packinghouses. Our findings allow future studies to explore the use of NEO for sanitizing other fruits and combating different phytopathogens to broaden its potential application in fruit sanitation for export.
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Affiliation(s)
- Joyce Maria Schuch
- Department of General and Applied BiologySao Paulo State University (UNESP), Avenida 24-A 1515 Postal Code: 13506-900, Rio Claro, SP, Brazil
| | - Carolina Rosai Mendes
- Department of General and Applied BiologySao Paulo State University (UNESP), Avenida 24-A 1515 Postal Code: 13506-900, Rio Claro, SP, Brazil
| | - Guilherme Lopes Cardoso
- Department of Fisheries Engineering and Biological SciencesSanta Catarina State University (UDESC), Rua Coronel Fernandes Martins 270 Postal Code: 88790-000, Laguna, SC, Brazil
| | - Carlos André da Veiga Lima Rosa Costamilan
- Department of Fisheries Engineering and Biological SciencesSanta Catarina State University (UDESC), Rua Coronel Fernandes Martins 270 Postal Code: 88790-000, Laguna, SC, Brazil
| | - Paulo Renato Matos Lopes
- College of Technology and Agricultural SciencesSao Paulo State University (UNESP), SP-294 Km 651 Postal Code: 17900-000, Dracena, SP, Brazil
| | - Renato Nallin Montagnolli
- Department of Natural SciencesMathematics and EducationFederal University of Sao Carlos (UFSCar), SP-330 Km 174 Postal Code: 13600-970, Araras, SP, Brazil
| | - Guilherme Dilarri
- Department of Fisheries Engineering and Biological SciencesSanta Catarina State University (UDESC), Rua Coronel Fernandes Martins 270 Postal Code: 88790-000, Laguna, SC, Brazil
- Multicentric Graduate Program in Biochemistry and Molecular Biology (PMBqBM)Santa Catarina State University (UDESC), Avenida Luiz de Camões 2090 Postal Code: 88520-000, Lages, SC, Brazil
| | - Ederio Dino Bidoia
- Department of General and Applied BiologySao Paulo State University (UNESP), Avenida 24-A 1515 Postal Code: 13506-900, Rio Claro, SP, Brazil
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2
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Visan AI, Negut I. Coatings Based on Essential Oils for Combating Antibiotic Resistance. Antibiotics (Basel) 2024; 13:625. [PMID: 39061307 PMCID: PMC11273621 DOI: 10.3390/antibiotics13070625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 06/24/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024] Open
Abstract
In the current era of widespread antimicrobial resistance, the utilization of essential oils (EOs) derived from plants has emerged as a promising alternative in combating pathogens that have developed resistance to antibiotics. This review explores the therapeutic potential of essential oils as valuable tools in restoring the efficacy of antibiotics, highlighting their unique ability to affect bacteria in multiple ways and target various cellular systems. Despite the challenge of elucidating their precise mode of action, EOs have shown remarkable results in rigorous testing against a diverse range of bacteria. This review explores the multifaceted role of EOs in combating bacterial microorganisms, emphasizing their extraction methods, mechanisms of action, and comparative efficacy against synthetic antibiotics. Key findings underscore the unique strategies EOs deploy to counter bacteria, highlighting significant differences from conventional antibiotics. The review extends to advanced coating solutions for medical devices, exploring the integration of EO formulations into these coatings. Challenges in developing effective EO coatings are addressed, along with various innovative approaches for their implementation. An evaluation of these EO coatings reveals their potential as formidable alternatives to traditional antibacterial agents in medical device applications. This renaissance in exploring natural remedies emphasizes the need to combine traditional wisdom with modern scientific advancements to address the urgent need for effective antimicrobial solutions in the post-antibiotic era.
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Affiliation(s)
| | - Irina Negut
- National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania;
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Rawat A, Kholiya S, Chauhan A, Srivastava D, Pal A, Verma RS, Chanotiya CS, Padalia RC. Effect of post-harvest drying period on the chemical composition of Zingiber zerumbet Sm. Rhizomes essential oil and its biological activities. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:957-967. [PMID: 38974360 PMCID: PMC11222349 DOI: 10.1007/s12298-024-01468-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 05/17/2024] [Accepted: 05/27/2024] [Indexed: 07/09/2024]
Abstract
Zingiber zerumbet Sm. (Family: Zingiberaceae) is an important perennial medicinal oil-bearing herb that is native to the Southeast Asia. This study examines the impact of different durations of post-harvest shade drying (ranging from 1 to 12 months) on essential oil yield and chemical composition of Z. zerumbet, in comparison to the freshly collected oil sample. This study explores how post-harvest shade drying impact the composition and longevity of Z. zerumbet rhizomes as well as its antimicrobial, antibiofilm activity. The oils were analyzed for their chemical composition analysis using a gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). The post-harvest periods of drying (1-12 months) were discovered to enhance the concentration of marker constituents in the oil. The primary constituent, Zerumbone, was detected in concentrations ranging from 69.38 ± 5.63% to a maximum of 80.19 ± 1.53% as the drying duration of the rhizome was extended. The output of the essential oil was not significantly affected by drying times; however, it did have a noticeable impact on the proportions of monoterpenes. Both disc diffusion and broth microdilution assay were used in freshly collected Z. zerumbet oil for its antimicrobial potential against S. aureus, L. monocytogens, S. hominis, Salmonella enterica serovar Typhimurium, P. aeruginosa, S. intermedius, E. coli, and C. albicans. For the first time, the oil reported to exhibit antibiofilm activity against S. aureus which was validated using fluorescence microscopy, and effectively disrupts the biofilm by 47.38% revealing that essential oil was able to disintegrate the clusters of the pathogen. Z. zerumbet rhizome oil is effective to reduce food-borne microorganisms. Therefore, its essential oil, a natural source of bioactive zerumbone, may improve flavor, aroma, and preservation.
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Affiliation(s)
- A. Rawat
- Research Centre, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), P.O.-Dairy Farm Nagla, Udham Singh Nagar, Pantnagar, Uttarakhand 263149 India
| | - S. Kholiya
- Research Centre, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), P.O.-Dairy Farm Nagla, Udham Singh Nagar, Pantnagar, Uttarakhand 263149 India
| | - A. Chauhan
- Research Centre, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), P.O.-Dairy Farm Nagla, Udham Singh Nagar, Pantnagar, Uttarakhand 263149 India
| | - D. Srivastava
- Bioprospection and Product Development, CSIR-Central Institute of Medicinal and Aromatic Plants, Kukrail Picnic Spot Road, P.O.-CIMAP, Lucknow, 226015 India
| | - A. Pal
- Bioprospection and Product Development, CSIR-Central Institute of Medicinal and Aromatic Plants, Kukrail Picnic Spot Road, P.O.-CIMAP, Lucknow, 226015 India
| | - R. S. Verma
- Phytochemistry Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Kukrail Picnic Spot Road, P.O.-CIMAP, Lucknow, 226015 India
| | - C. S. Chanotiya
- Phytochemistry Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Kukrail Picnic Spot Road, P.O.-CIMAP, Lucknow, 226015 India
| | - R. C. Padalia
- Research Centre, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), P.O.-Dairy Farm Nagla, Udham Singh Nagar, Pantnagar, Uttarakhand 263149 India
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4
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Galatola E, Agrillo B, Gogliettino M, Palmieri G, Maccaroni S, Vicenza T, Proroga YTR, Mancusi A, Di Pasquale S, Suffredini E, Cozzi L. A Reliable Multifaceted Solution against Foodborne Viral Infections: The Case of RiLK1 Decapeptide. Molecules 2024; 29:2305. [PMID: 38792166 PMCID: PMC11124387 DOI: 10.3390/molecules29102305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Food-borne transmission is a recognized route for many viruses associated with gastrointestinal, hepatic, or neurological diseases. Therefore, it is essential to identify new bioactive compounds with broad-spectrum antiviral activity to exploit innovative solutions against these hazards. Recently, antimicrobial peptides (AMPs) have been recognized as promising antiviral agents. Indeed, while the antibacterial and antifungal effects of these molecules have been widely reported, their use as potential antiviral agents has not yet been fully investigated. Herein, the antiviral activity of previously identified or newly designed AMPs was evaluated against the non-enveloped RNA viruses, hepatitis A virus (HAV) and murine norovirus (MNV), a surrogate for human norovirus. Moreover, specific assays were performed to recognize at which stage of the viral infection cycle the peptides could function. The results showed that almost all peptides displayed virucidal effects, with about 90% of infectivity reduction in HAV or MNV. However, the decapeptide RiLK1 demonstrated, together with its antibacterial and antifungal properties, a notable reduction in viral infection for both HAV and MNV, possibly through direct interaction with viral particles causing their damage or hindering the recognition of cellular receptors. Hence, RiLK1 could represent a versatile antimicrobial agent effective against various foodborne pathogens including viruses, bacteria, and fungi.
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Affiliation(s)
- Emanuela Galatola
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), 80131 Naples, Italy; (E.G.); (B.A.); (M.G.)
| | - Bruna Agrillo
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), 80131 Naples, Italy; (E.G.); (B.A.); (M.G.)
| | - Marta Gogliettino
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), 80131 Naples, Italy; (E.G.); (B.A.); (M.G.)
| | - Gianna Palmieri
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), 80131 Naples, Italy; (E.G.); (B.A.); (M.G.)
- Materias Srl, 80146 Naples, Italy
| | - Serena Maccaroni
- National Reference Laboratory for Foodborne Viruses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy; (S.M.); (T.V.); (S.D.P.); (E.S.); (L.C.)
| | - Teresa Vicenza
- National Reference Laboratory for Foodborne Viruses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy; (S.M.); (T.V.); (S.D.P.); (E.S.); (L.C.)
| | - Yolande T. R. Proroga
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (Y.T.R.P.); (A.M.)
| | - Andrea Mancusi
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (Y.T.R.P.); (A.M.)
| | - Simona Di Pasquale
- National Reference Laboratory for Foodborne Viruses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy; (S.M.); (T.V.); (S.D.P.); (E.S.); (L.C.)
| | - Elisabetta Suffredini
- National Reference Laboratory for Foodborne Viruses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy; (S.M.); (T.V.); (S.D.P.); (E.S.); (L.C.)
| | - Loredana Cozzi
- National Reference Laboratory for Foodborne Viruses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, 00161 Rome, Italy; (S.M.); (T.V.); (S.D.P.); (E.S.); (L.C.)
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5
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Winkelströter LK, Bezirtzoglou E, Tulini FL. Editorial: Natural compounds and novel sources of antimicrobial agents for food preservation and biofilm control, volume II. Front Microbiol 2024; 15:1412881. [PMID: 38800752 PMCID: PMC11116785 DOI: 10.3389/fmicb.2024.1412881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Affiliation(s)
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Fabricio Luiz Tulini
- Center for Biological and Health Sciences (CCBS), Federal University of Western Bahia, Barreiras, Brazil
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6
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Pinto L, Cervellieri S, Netti T, Lippolis V, Baruzzi F. Antibacterial Activity of Oregano ( Origanum vulgare L.) Essential Oil Vapors against Microbial Contaminants of Food-Contact Surfaces. Antibiotics (Basel) 2024; 13:371. [PMID: 38667047 PMCID: PMC11047463 DOI: 10.3390/antibiotics13040371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/08/2024] [Accepted: 04/17/2024] [Indexed: 04/29/2024] Open
Abstract
The antimicrobial effect of eight essential oils' vapors against pathogens and spoilage bacteria was assayed. Oreganum vulgare L. essential oil (OVO) showed a broad antibacterial effect, with Minimum Inhibitory Concentration (MIC) values ranging from 94 to 754 µg cm-3 air, depending on the bacterial species. Then, gaseous OVO was used for the treatment of stainless steel, polypropylene, and glass surfaces contaminated with four bacterial pathogens at 6-7 log cfu coupon-1. No viable cells were found after OVO treatment on all food-contact surfaces contaminated with all pathogens, with the exception of Sta. aureus DSM 799 on the glass surface. The antimicrobial activity of OVO after the addition of beef extract as a soiling agent reduced the Sta. aureus DSM 799 viable cell count by more than 5 log cfu coupon-1 on polypropylene and glass, while no viable cells were found in the case of stainless steel. HS-GC-MS analysis of the headspace of the boxes used for the antibacterial assay revealed 14 different volatile compounds with α-Pinene (62-63%), and p-Cymene (21%) as the main terpenes. In conclusion, gaseous OVO could be used for the microbial decontamination of food-contact surfaces, although its efficacy needs to be evaluated since it depends on several parameters such as target microorganisms, food-contact material, temperature, time of contact, and relative humidity.
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Affiliation(s)
| | | | | | | | - Federico Baruzzi
- Institute of Sciences of Food Production, National Research Council of Italy, Via G. Amendola 122/O, 70126 Bari, Italy; (L.P.); (S.C.); (T.N.); (V.L.)
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Vidaković Knežević S, Knežević S, Vranešević J, Milanov D, Ružić Z, Karabasil N, Kocić-Tanackov S. Using Essential Oils to Reduce Yersinia enterocolitica in Minced Meat and in Biofilms. Foods 2024; 13:806. [PMID: 38472919 DOI: 10.3390/foods13050806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Yersiniosis, one of the leading foodborne infections in the European Union, is caused by Yersinia enterocolitica. In this study, the antibacterial and antibiofilm effects of cinnamon (Cinnamomum zeylanicum Nees), clove (Syzygium aromaticum L.), oregano (Origanum vulgare L.), rosemary (Rosmarinus officinalis L.), thyme (Thymus vulgaris L.), and winter savory (Satureja montana L.) essential oils were investigated against Y. enterocolitica strains belonging to the bioserotype 4/O:3. Cinnamon essential oil showed the highest antibacterial activity, with an MIC value 0.09 µL/mL, followed by oregano and thyme essential oils, with MIC values from 0.09 to 0.18 µL/mL, and from 0.18 to 0.23 µL/mL, respectively. Thyme essential oil at 0.23 µL/g (MIC) and at 0.46 µL/g (2MIC) significantly (p < 0.05) reduced the number of Y. enterocolitica by 0.38 log CFU/g and 0.64 log CFU/g, respectively, in minced pork meat during storage at 4 °C for 4 days. The Y. enterocolitica strains formed biofilms at 15 °C and 37 °C in tryptic soy broth and Luria-Bertani broth, while no biofilms were obtained at 5 °C, and in meat broth nutrient media. Applying the minimum bactericidal concentrations of cinnamon, clove, oregano, rosemary, thyme, and winter savory essential oils on preformed biofilms led to significant reductions being observed in the range from 45.34% to 78.89%. A scanning electron microscopy assay showed the devastating impact of oregano and thyme essential oils on the morphology of Y. enterocolitica bacterial cells. In conclusion, the results of this study show that essential oils possess high anti-Yersinia and antibiofilm effects.
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Affiliation(s)
| | | | | | - Dubravka Milanov
- Scientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia
| | - Zoran Ružić
- Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, 21000 Novi Sad, Serbia
| | - Nedjeljko Karabasil
- Faculty of Veterinary Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Zhou G, Dong P, Luo X, Zhu L, Mao Y, Liu Y, Zhang Y. Combined effects of cold and acid on dual-species biofilms of Pseudomonas fluorescens and Listeria monocytogenes under simulated chilled beef processing conditions. Food Microbiol 2024; 117:104394. [PMID: 37919003 DOI: 10.1016/j.fm.2023.104394] [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: 06/20/2023] [Revised: 09/21/2023] [Accepted: 10/02/2023] [Indexed: 11/04/2023]
Abstract
Interactions across bacterial species boundaries are usually influenced by environmental stresses, yet little has been evaluated regarding multifactorial stresses on the fate of dual-species biofilm formation in food industry. In this study, the processing conditions of chilled beef were established as a combination of cold and acid stresses (4 °C and pH 5.4), with pH 7.0 or 25 °C serving as the controls, to investigate the interaction of dual-species biofilm between Pseudomonas fluorescens and Listeria monocytogenes. Dual-species biofilms significantly increased biofilm formation at 72 h under the condition of 25°C-pH7.0 and 25°C-pH5.4 (P < 0.05). Compared with mono-species biofilms, the cell numbers of L. monocytogenes in dual-species biofilms were lower at 25 °C (P < 0.05), however, the adherent cells of L. monocytogenes was higher in dual-species biofilms at 4 °C (P < 0.05). Furthermore, the amount of extracellular polysaccharides and proteins secreted by single P. fluorescens biofilms at 4 °C was more than three times than those at 25 °C. The surface-enhanced Raman spectroscopy further profiled the variability of extracellular polymeric substances (EPS) composition. Additionally, RT-qPCR results revealed an upregulation of biofilm-related and genes in co-culture species. It provides valuable insights into the strategies for removing mixed biofilms under diverse stressful conditions in practical food processing.
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Affiliation(s)
- Guanghui Zhou
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China
| | - Pengcheng Dong
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China
| | - Xin Luo
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China
| | - Lixian Zhu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China
| | - Yanwei Mao
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China
| | - Yunge Liu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China.
| | - Yimin Zhang
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong, 271018, China; National R&D Center for Beef Processing Technology, Tai'an, Shandong, 271018, China.
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Carvalho-Silva JM, Teixeira ABV, Valente MLDC, Shimano MVW, Dos Reis AC. Antimicrobial activity of essential oils against biofilms formed in dental acrylic resin: a systematic review of in vitro studies. BIOFOULING 2024; 40:114-129. [PMID: 38538551 DOI: 10.1080/08927014.2024.2332709] [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: 05/06/2023] [Accepted: 03/11/2024] [Indexed: 04/09/2024]
Abstract
This study aimed to answer the question formulated according to the PICO strategy: 'Which essential oils show antimicrobial activity against biofilms formed on dental acrylic resin?' composed by population (dental acrylic resin), intervention (application of essential oils), comparison (denture cleansers, antifungal drugs, chlorhexidine, and oral mouthwashes), and outcome (antibiofilm activity). In vitro experimental studies evaluating the activity of EOs on biofilm formed on acrylic resin were included. PRISMA guidelines were followed, and the search was performed in the PubMed, Science Direct, Embase, and Lilacs databases and in the gray literature using Google Scholar and ProQuest in December 2023. A manual search of the reference lists of the included primary studies was performed. Of the 1467 articles identified, 37 were selected for full-text reading and 12 were included. Twelve EOs were evaluated, of which 11 showed activity against Candida spp., 3 against Staphylococcus aureus, and 1 against Pseudomonas aeruginosa. The EOs of Cymbopogon citratus, Cinnamomum zeylanicum, and Cymbopogon nardus showed higher action than chlorhexidine, C. nardus higher than Listerine, C. citratus higher than nystatin, and Melaleuca alternifolia higher than fluconazole and nystatin. However, chlorhexidine was more effective than Lippia sidoides and Salvia officinalis, sodium hypochlorite was more effective than L. sidoides, nystatin was more effective than Zingiber officinale, Amphotericin B more effective than Eucalyptus globulus and M. alternifolia. In conclusion, the EOs of C. zeylanicum, C. citratus, C. nardus, and M. alternifolia showed antimicrobial activity to reduce biofilm on dental acrylic resin.
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Affiliation(s)
- João Marcos Carvalho-Silva
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Ana Beatriz Vilela Teixeira
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Mariana Lima da Costa Valente
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Marcos Vinicius Wada Shimano
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo (USP), Ribeirão Preto, Brazil
| | - Andréa Cândido Dos Reis
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo (USP), Ribeirão Preto, Brazil
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10
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Tian Y, Tian X, Li T, Wang W. Overview of the effects and mechanisms of NO and its donors on biofilms. Crit Rev Food Sci Nutr 2023:1-20. [PMID: 37942962 DOI: 10.1080/10408398.2023.2279687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Microbial biofilm is undoubtedly a challenging problem in the food industry. It is closely associated with human health and life, being difficult to remove and antibiotic resistance. Therefore, an alternate method to solve these problems is needed. Nitric oxide (NO) as an antimicrobial agent, has shown great potential to disrupt biofilms. However, the extremely short half-life of NO in vivo (2 s) has facilitated the development of relatively more stable NO donors. Recent studies reported that NO could permeate biofilms, causing damage to cellular biomacromolecules, inducing biofilm dispersion by quorum sensing (QS) pathway and reducing intracellular bis-(3'-5')-cyclic dimeric guanosine monophosphate (c-di-GMP) levels, and significantly improving the bactericidal effect without drug resistance. In this review, biofilm hazards and formation processes are presented, and the characteristics and inhibitory effects of NO donors are carefully discussed, with an emphasis on the possible mechanisms of NO resistance to biofilms and some advanced approaches concerning the remediation of NO donor deficiencies. Moreover, the future perspectives, challenges, and limitations of NO donors were summarized comprehensively. On the whole, this review aims to provide the application prospects of NO and its donors in the food industry and to make reliable choices based on these available research results.
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Affiliation(s)
- Yanan Tian
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Xiaojing Tian
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Teng Li
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Wenhang Wang
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
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Pang X, Hu X, Du X, Lv C, Yuk HG. Biofilm formation in food processing plants and novel control strategies to combat resistant biofilms: the case of Salmonella spp. Food Sci Biotechnol 2023; 32:1703-1718. [PMID: 37780596 PMCID: PMC10533767 DOI: 10.1007/s10068-023-01349-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 04/27/2023] [Accepted: 05/17/2023] [Indexed: 10/03/2023] Open
Abstract
Salmonella is one of the pathogens that cause many foodborne outbreaks throughout the world, representing an important global public health problem. Salmonella strains with biofilm-forming abilities have been frequently isolated from different food processing plants, especially in poultry industry. Biofilm formation of Salmonella on various surfaces can increase their viability, contributing to their persistence in food processing environments and cross-contamination of food products. In recent years, increasing concerns arise about the antimicrobial resistant and disinfectant tolerant Salmonella, while adaptation of Salmonella in biofilms to disinfectants exacerbate this problem. Facing difficulties to inhibit or remove Salmonella biofilms in food industry, eco-friendly and effective strategies based on chemical, biotechnological and physical methods are in urgent need. This review discusses biofilm formation of Salmonella in food industries, with emphasis on the current available knowledge related to antimicrobial resistance, together with an overview of promising antibiofilm strategies for controlling Salmonella in food production environments.
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Affiliation(s)
- Xinyi Pang
- College of Food Science and Engineering , Nanjing University of Finance and Economics , Nanjing, 210023 Jiangsu Province China
| | - Xin Hu
- College of Food Science and Engineering , Nanjing University of Finance and Economics , Nanjing, 210023 Jiangsu Province China
| | - Xueying Du
- College of Food Science and Engineering , Nanjing University of Finance and Economics , Nanjing, 210023 Jiangsu Province China
| | - Chenglong Lv
- College of Food Science and Engineering , Nanjing University of Finance and Economics , Nanjing, 210023 Jiangsu Province China
| | - Hyun-Gyun Yuk
- Department of Food Science and Technology, National University of Transportation, 61 Daehak-ro Jeungpyeong-gun, Chungbuk, 27909 Republic of Korea
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12
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Silva E, Teixeira JA, Pereira MO, Rocha CMR, Sousa AM. Evolving biofilm inhibition and eradication in clinical settings through plant-based antibiofilm agents. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 119:154973. [PMID: 37499434 DOI: 10.1016/j.phymed.2023.154973] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 07/05/2023] [Accepted: 07/15/2023] [Indexed: 07/29/2023]
Abstract
BACKGROUND After almost 100 years since evidence of biofilm mode of growth and decades of intensive investigation about their formation, regulatory pathways and mechanisms of antimicrobial tolerance, nowadays there are still no therapeutic solutions to eradicate bacterial biofilms and their biomedical related issues. PURPOSE This review intends to provide a comprehensive summary of the recent and most relevant published studies on plant-based products, or their isolated compounds with antibiofilm activity mechanisms of action or identified molecular targets against bacterial biofilms. The objective is to offer a new perspective of most recent data for clinical researchers aiming to prevent or eliminate biofilm-associated infections caused by bacterial pathogens. METHODS The search was performed considering original research articles published on PubMed, Web of Science and Scopus from 2015 to April 2023, using keywords such as "antibiofilm", "antivirulence", "phytochemicals" and "plant extracts". RESULTS Over 180 articles were considered for this review with a focus on the priority human pathogens listed by World Health Organization, including Pseudomonas aeruginosa, Staphylococcus aureus, Klebsiella pneumoniae and Escherichia coli. Inhibition and detachment or dismantling of biofilms formed by these pathogens were found using plant-based extract/products or derivative compounds. Although combination of plant-based products and antibiotics were recorded and discussed, this topic is currently poorly explored and only for a reduced number of bacterial species. CONCLUSIONS This review clearly demonstrates that plant-based products or derivative compounds may be a promising therapeutic strategy to eliminate bacterial biofilms and their associated infections. After thoroughly reviewing the vast amount of research carried out over years, it was concluded that plant-based products are mostly able to prevent biofilm formation through inhibition of quorum sensing signals, but also to disrupt mature biofilms developed by multidrug resistant bacteria targeting the biofilm extracellular polymeric substance. Flavonoids and phenolic compounds seemed the most effective against bacterial biofilms.
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Affiliation(s)
- Eduarda Silva
- Centre of Biological Engineering, LIBRO - Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal
| | - José A Teixeira
- Centre of Biological Engineering, LIBRO - Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal; LABBELS - Associate Laboratory, Guimarães, Braga, Portugal
| | - Maria Olivia Pereira
- Centre of Biological Engineering, LIBRO - Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal; LABBELS - Associate Laboratory, Guimarães, Braga, Portugal
| | - Cristina M R Rocha
- Centre of Biological Engineering, LIBRO - Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal; LABBELS - Associate Laboratory, Guimarães, Braga, Portugal
| | - Ana Margarida Sousa
- Centre of Biological Engineering, LIBRO - Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal; LABBELS - Associate Laboratory, Guimarães, Braga, Portugal.
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13
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Paparella A, Maggio F. Detection and Control of Foodborne Pathogens. Foods 2023; 12:3521. [PMID: 37835174 PMCID: PMC10572932 DOI: 10.3390/foods12193521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023] Open
Abstract
The globalization of food trade and the emergence of disease outbreaks involving several foodborne pathogens and foods has focused the attention of both the research community and consumers on food safety [...].
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Affiliation(s)
- Antonello Paparella
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy;
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14
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Chen Y, Zhao J, Liu C, Wu D, Wang X. In-vitro antibacterial activity and mechanism of Monarda didyma essential oils against Carbapenem-resistant Klebsiella pneumoniae. BMC Microbiol 2023; 23:263. [PMID: 37730531 PMCID: PMC10512558 DOI: 10.1186/s12866-023-03015-4] [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: 02/28/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023] Open
Abstract
To fight the global epidemic of drug-resistant bacteria, essential oils have gained increasing attention as a new source of antibiotics. The antimicrobial activity of Monarda didyma essential oils (MDEO) for the Carbapenem-resistant Klebsiella pneumoniae (CRKP) strains were determined by agar disc diffusion assay and broth microdilution assay. To further understand MDEO efficacy, a time-growth curve was performed. The biofilm formation of CRKP were determined by crystalline violet staining method, additionally, changes in intracellular Adenosine triphosphate (ATP), protein, Alkaline phosphatase (AKP) activities, and membrane integrity were investigated to assess the influence of MDEO on cell membrane damage. Finally, the activities of key enzymes in the tricarboxylic acid (TCA) pathways and pentose phosphate (PPP) pathways were examined to determine the effect of MDEO on the respiratory metabolism of CRKP. This study presents the antibacterial mechanism of MDEO against CRKP with a minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of 1.25 mg/ml. To understand MDEO efficacy, a time-kill kinetics approach was performed. The bactericidal effect of MDEO was evident at 2 h compared to the control at its MIC and 2MIC. Surface electron microscopic and ATP assay studies provided evidence for the multi-target action of MDEO against CRKP. MDEO could inhibit CRKP biofilm formation. MDEO could also cause irreversible damage to the CRKP cell membrane, resulting in the leakage of biological macromolecules (protein, ATP) and the reduction of intracellular enzymes (AKP) activities. Finally, MDEO affected the pathways of respiratory metabolism, such as PPP and TCA pathways. MDEO could reduce the activity of key enzymes (Glucose-6-phosphate dehydrogenase, citrate synthase, isocitrate dehydrogenase, and α-ketoglutarate dehydrogenase) in the PPP and TCA pathways to exert its biological effects against CRKP. These results suggest MDEO can exert inhibitory effects on CRKP, and potential mechanisms of action including inhibition of biofilm formation, damage of cell membrane structure and inhibition of energy metabolism.
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Affiliation(s)
- Ying Chen
- Key laboratory of Microecology-immune Regulatory Network and Related Diseases School of Basic Medicine, Jiamusi University, NO. 148 Xuefu Street, Xiangyang District, Jiamusi, 154000, Heilongjiang Province, China
- The First Affiliated Hospital of Jiamusi University, NO 348 Dexiang street, Xiangyang district, Jiamusi, 154000, Heilongjiang Province, China
| | - Jinda Zhao
- Key laboratory of Microecology-immune Regulatory Network and Related Diseases School of Basic Medicine, Jiamusi University, NO. 148 Xuefu Street, Xiangyang District, Jiamusi, 154000, Heilongjiang Province, China
| | - Chenyu Liu
- Key laboratory of Microecology-immune Regulatory Network and Related Diseases School of Basic Medicine, Jiamusi University, NO. 148 Xuefu Street, Xiangyang District, Jiamusi, 154000, Heilongjiang Province, China
| | - Dongmei Wu
- Key laboratory of Microecology-immune Regulatory Network and Related Diseases School of Basic Medicine, Jiamusi University, NO. 148 Xuefu Street, Xiangyang District, Jiamusi, 154000, Heilongjiang Province, China.
| | - Xianhe Wang
- The First Affiliated Hospital of Jiamusi University, NO 348 Dexiang street, Xiangyang district, Jiamusi, 154000, Heilongjiang Province, China.
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15
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Xu T, Xiao Y, Wang H, Zhu J, Lu W, Chen W. Multiomics reveals the mechanism of B. longum in promoting the formation of mixed-species biofilms. Food Funct 2023; 14:8276-8290. [PMID: 37602484 DOI: 10.1039/d3fo01751f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
It has been found previously that Bifidobacterium longum, Bacteroides ovatus, Enterococcus faecalis, and Lactobacillus gasseri can form a biofilm better when co-cultured in vitro and B. longum is the core biofilm-formation-promoting strain in this community. B. longum is part of the core microbiota in the gut and is widely recognized as a probiotic. Therefore, it is necessary to explore its role in mixed-species biofilms through transcriptomics and metabolomics. Metabolomics showed that the increase in amino acid and purine content could promote biofilm formation. In transcriptomic analysis, many genes related to carbohydrate metabolism, amino acid metabolism, and environmental tolerance of B. longum were up-regulated. Combined with the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis and Gene Ontology (GO) analysis, the differentially expressed genes (DEGs) of B. longum in mixed-species biofilms were mainly correlated to "quorum sensing (QS)", "ABC transporters", "biosynthesis of amino acids", "microbial metabolism in different environments", "carbohydrate metabolism" and "two-component system". In addition, the rpl and rps gene families, which function in the metabolism of organic substances and the biosynthesis of amino acids, were the core DEGs according to the analysis of the protein-protein interaction (PPI) network. Finally, by combining metabolomics and quorum sensing mechanisms, it was found that the metabolism of autoinducer peptides (proliylglycine and glycylleucine), N-acyl homoserine lactone (N-(3-oxo hydroxy) homoserine lactone), and AI-2 can promote the formation of biofilms, both mono- and mixed-species biofilms composed of B. longum. Our research enabled us to understand the critical role of B. longum in mixed-species biofilms and the interactions between biofilm metabolism and gut health. In addition, the generated knowledge will be of great significance for us to develop biofilm products with beneficial functions in future.
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Affiliation(s)
- Tao Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yue Xiao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hongchao Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jinlin Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
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16
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Bouguenoun W, Benbelaid F, Mebarki S, Bouguenoun I, Boulmaiz S, Khadir A, Benziane MY, Bendahou M, Muselli A. Selected antimicrobial essential oils to eradicate multi-drug resistant bacterial biofilms involved in human nosocomial infections. BIOFOULING 2023; 39:816-829. [PMID: 37870170 DOI: 10.1080/08927014.2023.2269551] [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: 07/30/2023] [Accepted: 10/06/2023] [Indexed: 10/24/2023]
Abstract
Biofilms are the primary source of contamination linked to nosocomial infections by promoting bacterial resistance to antimicrobial agents, including disinfectants. Using essential oils, this study aims to inhibit and eradicate the biofilm of enterobacteria and staphylococci responsible for nosocomial infections at Guelma Hospital, northeastern Algeria. Thymbra capitata, Thymus pallescens and Artemesia herba-alba essential oils were evaluated against clinical strains of Klebsiella pneumoniae, Escherichia coli, and Staphylococcus aureus. The antimicrobial activity of the essential oils under consideration was assessed using an agar disc diffusion assay and the determination of minimum inhibitory concentrations (MICs). In addition, the crystal violet method and scanning electron microscopy (SEM) evaluated biofilm inhibition and eradication by those antimicrobial agents. The results indicate that T. pallescens essential oil was the most effective antimicrobial agent against pathogenic bacteria, with large zones of inhibition (up to 50 mm against S. aureus), low MICs (0.16 to 0.63 mg/mL), and powerful biofilm eradication up to 0.16 mg/mL in both 24 h and 60-min exposure times. Thus, Algerian thyme and oregano could be used in various ways to combat the biofilm that causes nosocomial infection in local hospitals.
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Affiliation(s)
- Widad Bouguenoun
- Department of Biology, Faculty of Exact Sciences and Natural Life Sciences, Mohamed Khider University, Biskra, Algeria
| | - Fethi Benbelaid
- Department of Biology, Faculty of Exact Sciences and Natural Life Sciences, Mohamed Khider University, Biskra, Algeria
- Laboratory of Applied Microbiology to Agrifood, Biomedical and Environment (LAMAABE), Aboubekr Belkaïd University, Imama Biomedical Complex, Tlemcen, Algeria
| | - Salsabil Mebarki
- Department of Biology, Faculty of Exact Sciences and Natural Life Sciences, Mohamed Khider University, Biskra, Algeria
| | - Imane Bouguenoun
- Department of Biology, Faculty of Biology Sciences, and Agricultural Sciences, Mouloud Mammeri University, Tizi-Ouzou, Algeria
| | - Sara Boulmaiz
- Department of Biology, Faculty of Exact Sciences and Natural Life Sciences, Mohamed Khider University, Biskra, Algeria
| | - Abdelmonaim Khadir
- Laboratory of Applied Microbiology to Agrifood, Biomedical and Environment (LAMAABE), Aboubekr Belkaïd University, Imama Biomedical Complex, Tlemcen, Algeria
- Department of Biology, Oran University, Oran, Algeria
| | - Mohammed Yassine Benziane
- Laboratory of Applied Microbiology to Agrifood, Biomedical and Environment (LAMAABE), Aboubekr Belkaïd University, Imama Biomedical Complex, Tlemcen, Algeria
| | - Mourad Bendahou
- Laboratory of Applied Microbiology to Agrifood, Biomedical and Environment (LAMAABE), Aboubekr Belkaïd University, Imama Biomedical Complex, Tlemcen, Algeria
| | - Alain Muselli
- Laboratory of Natural Products Chemistry, University of Corsica, UMR CNRS 6134, Corte, France
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17
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Kim J, Wang J, Ahn J. Combined antimicrobial effect of phage-derived endolysin and depolymerase against biofilm-forming Salmonella Typhimurium. BIOFOULING 2023; 39:763-774. [PMID: 37795651 DOI: 10.1080/08927014.2023.2265817] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/26/2023] [Indexed: 10/06/2023]
Abstract
This study was designed to evaluate the antimicrobial activity of phage-derived endolysin (LysPB32) and depolymerase (DpolP22) against planktonic and biofilm cells of Salmonella Typhimurium (STKCCM). Compared to the control, the numbers of STKCCM were reduced by 4.3 and 5.9 log, respectively, at LysPB32 and LysPB32 + DpolP22 in the presence of polymyxin B (PMB) after 48-h incubation at 37 °C. LysPB32 + DpolP22 decreased the relative fitness (0.8) and the cross-resistance of STKCCM to chloramphenicol (CHL), cephalothin (CEP), ciprofloxacin (CIP), and tetracycline (TET) in the presence of PMB. The MICtrt/MICcon ratios of CHL, CEP, CIP, PMB, and TET were between 0.25 and 0.50 for LysPB32 + DpolP22 in the presence of PMB. These results suggest that the application of phage-encoded enzymes with antibiotics can be a promising approach for controlling biofilm formation on medical and food-processing equipment. This is noteworthy in that the application of LysPB32 + DpolP22 could increase antibiotic susceptibility and decrease cross-resistance to other antibiotics.
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Affiliation(s)
- Junhwan Kim
- Department of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Jun Wang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Juhee Ahn
- Department of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
- Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Republic of Korea
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18
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Eid AM, Jaradat N, Shraim N, Hawash M, Issa L, Shakhsher M, Nawahda N, Hanbali A, Barahmeh N, Taha B, Mousa A. Assessment of anticancer, antimicrobial, antidiabetic, anti-obesity and antioxidant activity of Ocimum Basilicum seeds essential oil from Palestine. BMC Complement Med Ther 2023; 23:221. [PMID: 37403162 DOI: 10.1186/s12906-023-04058-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 06/26/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND Many modern pharmaceutical researchers continue to focus on the discovery and evaluation of natural compounds for possible therapies for obesity, diabetes, infections, cancer, and oxidative stress. Extraction of Ocimum basilicum seed essential oil and evaluation of its antioxidant, anti-obesity, antidiabetic, antibacterial, and cytotoxic activities were the goals of the current study. METHOD O. basilicum seed essential oil was extracted and evaluated for its anticancer, antimicrobial, antioxidant, anti-obesity, and anti-diabetic properties utilizing standard biomedical assays. RESULTS O. basilicum seed essential oil showed good anticancer activity against Hep3B (IC50 56.23 ± 1.32 µg/ml) and MCF-7 (80.35 ± 1.17 µg/ml) when compared with the positive control, Doxorubicin. In addition, the essential oil showed potent antibacterial (against Klebsiella pneumoniae, Escherichia coli, Staphylococcus aureus, Proteus mirabilis, and Pseudomonas aeruginosa) and antifungal (against Candida albicans) activities. Moreover, as for the anti-amylase test, IC50 was 74.13 ± 1.1 µg/ml, a potent effect compared with the IC50 of acarbose, which was 28.10 ± 0.7 µg/ml. On the other hand, for the anti-lipase test, the IC50 was 112.20 ± 0.7 µg/ml a moderate effect compared with the IC50 of orlistat, which was 12.30 ± 0.8 µg/ml. Finally, the oil had a potent antioxidant effect with an IC50 of 23.44 ± 0.9 µg/ml compared with trolox (IC50 was 2.7 ± 0.5 µg/ml). CONCLUSION This study has provided initial data that supports the importance of O. basilcum essential oil in traditional medicine. The extracted oil not only exhibited significant anticancer, antimicrobial, and antioxidant properties but also antidiabetic and anti-obesity effects, which provided a foundation for future research.
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Affiliation(s)
- Ahmad M Eid
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine.
| | - Nidal Jaradat
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Naser Shraim
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Mohammed Hawash
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Linda Issa
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Mohammad Shakhsher
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Nour Nawahda
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Ali Hanbali
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Noor Barahmeh
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Basil Taha
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P.O. Box 7, Nablus, Palestine
| | - Ahmed Mousa
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
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Guillín Y, Cáceres M, Stashenko EE, Hidalgo W, Ortiz C. Untargeted Metabolomics for Unraveling the Metabolic Changes in Planktonic and Sessile Cells of Salmonella Enteritidis ATCC 13076 after Treatment with Lippia origanoides Essential Oil. Antibiotics (Basel) 2023; 12:antibiotics12050899. [PMID: 37237802 DOI: 10.3390/antibiotics12050899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/03/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Nontyphoidal Salmonella species are one of the main bacterial causes of foodborne diseases, causing a public health problem. In addition, the ability to form biofilms, multiresistance to traditional drugs, and the absence of effective therapies against these microorganisms are some of the principal reasons for the increase in bacterial diseases. In this study, the anti-biofilm activity of twenty essential oils (EOs) on Salmonella enterica serovar Enteritidis ATCC 13076 was evaluated, as well as the metabolic changes caused by Lippia origanoides thymol chemotype EO (LOT-II) on planktonic and sessile cells. The anti-biofilm effect was evaluated by the crystal violet staining method, and cell viability was evaluated through the XTT method. The effect of EOs was observed by scanning electron microscopy (SEM) analysis. Untargeted metabolomics analyses were conducted to determine the effect of LOT-II EO on the cellular metabolome. LOT-II EO inhibited S. Enteritidis biofilm formation by more than 60%, without decreasing metabolic activity. Metabolic profile analysis identified changes in the modulation of metabolites in planktonic and sessile cells after LOT-II EO treatment. These changes showed alterations in different metabolic pathways, mainly in central carbon metabolism and nucleotide and amino acid metabolism. Finally, the possible mechanism of action of L. origanoides EO is proposed based on a metabolomics approach. Further studies are required to advance at the molecular level on the cellular targets affected by EOs, which are promising natural products for developing new therapeutic agents against Salmonella sp. strains.
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Affiliation(s)
- Yuliany Guillín
- Escuela de Biología, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Marlon Cáceres
- Escuela de Medicina, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E Stashenko
- Center for Chromatography and Mass Spectrometry CROM-MASS, School of Chemistry, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - William Hidalgo
- Escuela de Química, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Claudia Ortiz
- Escuela de Microbiología y Bioanálisis, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Kilic T, Bali EB. Biofilm control strategies in the light of biofilm-forming microorganisms. World J Microbiol Biotechnol 2023; 39:131. [PMID: 36959476 DOI: 10.1007/s11274-023-03584-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/15/2023] [Indexed: 03/25/2023]
Abstract
Biofilm is a complex consortium of microorganisms attached to biotic or abiotic surfaces and live in self-produced or acquired extracellular polymeric substances (EPSs). EPSs are mainly formed by lipids, polysaccharides, proteins, and extracellular DNAs. The adherence to the surface of microbial communities is seen in food, medical, dental, industrial, and environmental fields. Biofilm development in food processing areas challenges food hygiene, and human health. In addition, bacterial attachment and biofilm formation on medical implants inside human tissue can cause multiple critical chronic infections. More than 30 years of international research on the mechanisms of biofilm formation have been underway to address concerns about bacterial biofilm infections. Antibiofilm strategies contain cold atmospheric plasma, nanotechnological, phage-based, antimicrobial peptides, and quorum sensing inhibition. In the last years, the studies on environmentally-friendly techniques such as essential oils and bacteriophages have been intensified to reduce microbial growth. However, the mechanisms of the biofilm matrix formation are still unclear. This review aims to discuss the latest antibiofilm therapeutic strategies against biofilm-forming bacteria.
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Affiliation(s)
- Tugba Kilic
- Department of Medical Services and Techniques, Program of Medical Laboratory Techniques, Vocational School of Health Services, Gazi University, Ankara, 06830, Turkey.
| | - Elif Burcu Bali
- Department of Medical Services and Techniques, Program of Medical Laboratory Techniques, Vocational School of Health Services, Gazi University, Ankara, 06830, Turkey
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21
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Maggio F, Serio A, Rossi C, Purgatorio C, Buccioni F, Chaves- López C, Paparella A. Effectiveness of essential oils against dual-species biofilm of <em>Listeria monocytogenes</em> and <em>Pseudomonas fluorescens</em> in a Ricotta-based model system. Ital J Food Saf 2023; 12:11048. [PMID: 37064519 PMCID: PMC10102963 DOI: 10.4081/ijfs.2023.11048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/13/2023] [Indexed: 03/11/2023] Open
Abstract
Biofilms represent an evolutionary form of life, which translates from life in free-living cells to a community lifestyle. In natural habitats, biofilms are a multispecies complex, where synergies or antagonisms can be established. For example, Listeria monocytogenes and Pseudomonas fluorescens are associated with a dual-species biofilm that is widespread in dairy plants. In food plants, multiple strategies are devised to control biofilms, including natural compounds such as essential oils (EOs). In this respect, this study evaluated the effectiveness of Thymbra capitata (L.) Cav. EO and Cinnamomum zeylanicum (CEO) against a dual-species biofilm of L. monocytogenes and P. fluorescens, mimicking dairy process conditions. Based on Minimum Inhibitory Concentrations results, the EOs concentration (10 µL/mL) was chosen for the antibiofilm assay at 12°C on polystyrene (PS), and stainless steel surfaces for 168 h, using a Ricotta-based model system as culture medium. Biofilm biomass was assessed by crystal violet staining, and the planktonic and sessile cells were quantified in terms of Log CFU/cm2. Results showed that CEO displayed the greatest antibiofilm activity, reducing significantly (P<0.05) P. fluorescens and L. monocytogenes sessile cells of about 2.5 and 2.8 Log CFU/cm2 after 72 h, respectively. However, L. monocytogenes gained the protection of P. fluorescens, evading CEO treatment and showing a minimal sessile cell reduction of 0.7 Log CFU/cm2 after 72 h. Considering the outcome of this study, CEO might have promising perspectives for applications in dairy facilities.
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Siahkamari S, Daneshfar A. Synthesis of a new magnetic metal organic framework based on nickel for extraction of carvacrol and thymol in thymus and savory samples and analyzed with gas chromatography. RSC Adv 2023; 13:7664-7672. [PMID: 36908535 PMCID: PMC9993065 DOI: 10.1039/d2ra07367f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 02/22/2023] [Indexed: 03/11/2023] Open
Abstract
The present research aims at reporting a new sorbent, a magnetic nano scale metal-organic framework (MOF), based on nickel acetate and 6-phenyl-1,3,5-triazine-2,4-diamine. The prepared sorbent was used to extract carvacrol and thymol using an ultrasonic-assisted dispersive micro solid phase extraction (UA-DμSPE) method. The structure of the metal organic framework was studied by applying scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), energy dispersive spectrometry (EDS), and vibrating sample magnetometer (VSM). The effects of various parameters such as ionic strength of sample solution, amount of sorbent (mg), volume of eluent solvent (μL), vortex and ultrasonic times (min) were optimized. Under optimal conditions, the analytes resulted in determination coefficients (R 2) of 0.9985 and 0.9967 in the concentration range 0.01-2 μg mL-1, and in limits of detection of 0.0025 and 0.0028 μg mL-1. Significantly, this method can be successfully applied in order to determine the target analytes in spiked real samples. Notably, the relative mean recoveries range from 94.5 to 105.7%.
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Affiliation(s)
- Somaye Siahkamari
- Department of Chemistry, Faculty of Science, Ilam University P.O. Box 69315516 Ilam Iran
| | - Ali Daneshfar
- Department of Chemistry, Faculty of Science, Ilam University P.O. Box 69315516 Ilam Iran .,Department of Chemistry, Faculty of Science, Lorestan University Khoramabad Iran
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23
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Ersanli C, Tzora A, Skoufos I, Fotou K, Maloupa E, Grigoriadou K, Voidarou C(C, Zeugolis DI. The Assessment of Antimicrobial and Anti-Biofilm Activity of Essential Oils against Staphylococcus aureus Strains. Antibiotics (Basel) 2023; 12:antibiotics12020384. [PMID: 36830295 PMCID: PMC9952819 DOI: 10.3390/antibiotics12020384] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
The increase in antimicrobial resistance and tolerance over the years has become a serious public health problem, leading to the inevitable development of alternative antimicrobial agents as substitutes for industrial pharmaceutical antibiotics targeting humans and animals under the concept of one health. Essential oils (EOs) extracted from aromatic and pharmaceutical plants incorporate several bioactive compounds (phytochemicals) that positively affect human and animal health. Herein, this work aimed to examine a standardized chemical composition and screen the antimicrobial and anti-biofilm activity of Thymus sibthorpii, Origanum vulgare, Salvia fruticosa, and Crithmum maritimum EOs against three different Staphylococcus aureus strains by gold-standard disc diffusion, broth microdilution, and microtiter plate biofilm assays. Therefore, the evaluation of the above-mentioned EOs were considered as substitutes for antibiotics to combat the ever-mounting antimicrobial resistance problem. The observed bacterial growth inhibition varied significantly depending on the type and concentration of the antimicrobials. Thymus sibthorpii was determined as the strongest antimicrobial, with 0.091 mg/mL minimum inhibitory concentration (MIC) and a 14-33 mm diameter inhibition zone at 5% (v/v) concentration. All tested EOs indicated almost 95% inhibition of biofilm formation at their half MIC, while gentamicin sulfate did not show sufficient anti-biofilm activity. None of the methicillin-resistant strains showed resistance to the EOs compared to methicillin-sensitive strains. Thymus sibthorpii and Origanum vulgare could be potential alternatives as antimicrobial agents to overcome the problem of microbial resistance. The tested EOs might be incorporated into antimicrobial products as safe and potent antimicrobial and anti-biofilm agents.
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Affiliation(s)
- Caglar Ersanli
- Laboratory of Animal Science, Nutrition and Biotechnology, School of Agriculture, University of Ioannina, 47100 Arta, Greece
- Laboratory of Animal Health, Food Hygiene, and Quality, School of Agriculture, University of Ioannina, 47100 Arta, Greece
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research and School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Athina Tzora
- Laboratory of Animal Health, Food Hygiene, and Quality, School of Agriculture, University of Ioannina, 47100 Arta, Greece
- Correspondence:
| | - Ioannis Skoufos
- Laboratory of Animal Science, Nutrition and Biotechnology, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Konstantina Fotou
- Laboratory of Animal Health, Food Hygiene, and Quality, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Eleni Maloupa
- Laboratory of Conservation and Evaluation of Native and Floricultural Species, Institute of Plant Breeding; and Genetic Resources, Hellenic Agricultural Organization Demeter, Thermi, 57001 Thessaloniki, Greece
| | - Katerina Grigoriadou
- Laboratory of Conservation and Evaluation of Native and Floricultural Species, Institute of Plant Breeding; and Genetic Resources, Hellenic Agricultural Organization Demeter, Thermi, 57001 Thessaloniki, Greece
| | - Chrysoula (Chrysa) Voidarou
- Laboratory of Animal Health, Food Hygiene, and Quality, School of Agriculture, University of Ioannina, 47100 Arta, Greece
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular and Biomedical Research and School of Mechanical and Materials Engineering, University College Dublin, D04 V1W8 Dublin, Ireland
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Ejaz H, Sultan M, Qamar MU, Junaid K, Rasool N, Alanazi A, Alruways MW, Mazhari BBZ, Alruwaili Y, Bukhari SNA, Younas S. Antibacterial efficacy of indigenous Pakistani honey against extensively drug-resistant clinical isolates of Salmonella enterica serovar Typhi: an alternative option to combat antimicrobial resistance. BMC Complement Med Ther 2023; 23:42. [PMID: 36755237 PMCID: PMC9906859 DOI: 10.1186/s12906-023-03870-8] [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: 10/24/2022] [Accepted: 01/31/2023] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Extensively drug-resistant (XDR) Salmonella enterica serovar Typhi (S. Typhi) poses a grave threat to public health due to increased mortality and morbidity caused by typhoid fever. Honey is a promising antibacterial agent, and we aimed to determine the antibacterial activity of honey against XDR S. Typhi. METHODS We isolated 20 clinical isolates of XDR S. Typhi from pediatric septicemic patients and determined the minimum inhibitory concentrations (MICs) of different antibiotics against the pathogens using the VITEK 2 Compact system. Antimicrobial-resistant genes carried by the isolates were identified using PCR. The antibacterial efficacy of five Pakistani honeys was examined using agar well diffusion assay, and their MICs and minimum bactericidal concentrations (MBCs) were determined with the broth microdilution method. RESULTS All 20 isolates were confirmed as S. Typhi. The antibiogram phenotype was confirmed as XDR S. Typhi with resistance to ampicillin (≥ 32 µg/mL), ciprofloxacin (≥ 4 µg/mL), and ceftriaxone (≥ 4 µg/mL) and sensitivity to azithromycin (≤ 16 µg/mL) and carbapenems (≤ 1 µg/mL). Molecular conformation revealed the presence of blaTM-1, Sul1, qnrS, gyrA, gyrB, and blaCTX-M-15 genes in all isolates. Among the five honeys, beri honey had the highest zone of inhibition of 7-15 mm and neem honey had a zone of inhibition of 7-12 mm. The MIC and MBC of beri honey against 3/20 (15%) XDR S. Typhi isolates were 3.125 and 6.25%, respectively, while the MIC and MBC of neem were 3.125 and 6.25%, respectively, against 3/20 (15%) isolates and 6.25 and 12.5%, respectively, against 7/20 (35%) isolates. CONCLUSION Indigenous honeys have an effective role in combating XDR S. Typhi. They are potential candidates for clinical trials as alternative therapeutic options against XDR S. Typhi isolates.
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Affiliation(s)
- Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia.
| | - Mamoona Sultan
- grid.411786.d0000 0004 0637 891XInstitute of Microbiology, Faculty of Life Sciences, Government College University Faisalabad, Faisalabad, 38000 Pakistan
| | - Muhammad Usman Qamar
- Institute of Microbiology, Faculty of Life Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Kashaf Junaid
- grid.4868.20000 0001 2171 1133School of Biological and Behavioural Sciences, Queen Mary University of London, London, E1 4NS UK
| | - Nasir Rasool
- grid.411786.d0000 0004 0637 891XDepartment of Chemistry, Government College University Faisalabad, Faisalabad, 38000 Pakistan
| | - Awadh Alanazi
- grid.440748.b0000 0004 1756 6705Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388 Saudi Arabia
| | - Mashael W. Alruways
- grid.449644.f0000 0004 0441 5692Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Shaqra, 15273 Saudi Arabia
| | - Bi Bi Zainab Mazhari
- grid.440748.b0000 0004 1756 6705Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Qurayyat, 75911 Saudi Arabia
| | - Yasir Alruwaili
- grid.440748.b0000 0004 1756 6705Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388 Saudi Arabia
| | - Syed Nasir Abbas Bukhari
- grid.440748.b0000 0004 1756 6705Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, 72388 Al Jouf Saudi Arabia
| | - Sonia Younas
- grid.482283.7School of Public Health, LKS Faculty of Medicine, HKU-Pasteur Research Pole, The University of Hong Kong, Hong Kong, China
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Exploring Possible Ways to Enhance the Potential and Use of Natural Products through Nanotechnology in the Battle against Biofilms of Foodborne Bacterial Pathogens. Pathogens 2023; 12:pathogens12020270. [PMID: 36839543 PMCID: PMC9967150 DOI: 10.3390/pathogens12020270] [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: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Biofilms enable pathogenic bacteria to survive in unfavorable environments. As biofilm-forming pathogens can cause rapid food spoilage and recurrent infections in humans, especially their presence in the food industry is problematic. Using chemical disinfectants in the food industry to prevent biofilm formation raises serious health concerns. Further, the ability of biofilm-forming bacterial pathogens to tolerate disinfection procedures questions the traditional treatment methods. Thus, there is a dire need for alternative treatment options targeting bacterial pathogens, especially biofilms. As clean-label products without carcinogenic and hazardous potential, natural compounds with growth and biofilm-inhibiting and biofilm-eradicating potentials have gained popularity as natural preservatives in the food industry. However, the use of these natural preservatives in the food industry is restricted by their poor availability, stability during food processing and storage. Also there is a lack of standardization, and unattractive organoleptic qualities. Nanotechnology is one way to get around these limitations and as well as the use of underutilized bioactives. The use of nanotechnology has several advantages including traversing the biofilm matrix, targeted drug delivery, controlled release, and enhanced bioavailability, bioactivity, and stability. The nanoparticles used in fabricating or encapsulating natural products are considered as an appealing antibiofilm strategy since the nanoparticles enhance the activity of the natural products against biofilms of foodborne bacterial pathogens. Hence, this literature review is intended to provide a comprehensive analysis of the current methods in nanotechnology used for natural products delivery (biofabrication, encapsulation, and nanoemulsion) and also discuss the different promising strategies employed in the recent and past to enhance the inhibition and eradication of foodborne bacterial biofilms.
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Song L, Yang H, Meng X, Su R, Cheng S, Wang H, Bai X, Guo D, Lü X, Xia X, Shi C. Inhibitory Effects of Trans-Cinnamaldehyde Against Pseudomonas aeruginosa Biofilm Formation. Foodborne Pathog Dis 2023; 20:47-58. [PMID: 36779942 DOI: 10.1089/fpd.2022.0073] [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] [Indexed: 02/14/2023] Open
Abstract
Pseudomonas aeruginosa biofilm formation has been considered to be an important determinant of its pathogenicity in most infections. The antibiofilm activity of trans-cinnamaldehyde (TC) against P. aeruginosa was investigated in this study. Results demonstrated that the minimum inhibitory concentration (MIC) of TC against P. aeruginosa was 0.8 mg/mL, and subinhibitory concentrations (SICs) was 0.2 mg/mL and below. Crystal violet staining showed that TC at 0.05-0.2 mg/mL reduced biofilm biomass in 48 h in a concentration-dependent mode. The formation area of TC-treated biofilms was significantly declined (p < 0.01) on the glass slides observed by light microscopy. Field-emission scanning electron microscopy further demonstrated that TC destroyed the biofilm morphology and structure. Confocal laser scanning microscopic observed the dispersion of biofilms and the reduction of exopolysaccharides after TC treatment stained with concanavalin A (Con-A)-fluorescein isothiocyanate conjugate and Hoechst 33258. Meanwhile, TC caused a significant decrease (p < 0.01) in the component of polysaccharides, proteins, and DNA in extracellular polymeric substance. The swimming and swarming motility and quorum sensing of P. aeruginosa was also found to be significantly inhibited (p < 0.01) by TC at SICs. Furthermore, SICs of TC repressed the several genes transcription associated with biofilm formation as determined by real-time quantitative polymerase chain reaction. Overall, our findings suggest that TC could be applied as natural and safe antibiofilm agent to inhibit the biofilm formation of P. aeruginosa.
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Affiliation(s)
- Luyi Song
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Hui Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xinru Meng
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Ruiying Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Shuai Cheng
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Haoran Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiangyang Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Du Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Xiaodong Xia
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian, China
| | - Chao Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
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27
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Chemical Composition, Antioxidant, and Antibiofilm Properties of Essential Oil from Thymus capitatus Plants Organically Cultured on the Greek Island of Lemnos. Molecules 2023; 28:molecules28031154. [PMID: 36770821 PMCID: PMC9919994 DOI: 10.3390/molecules28031154] [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: 12/26/2022] [Revised: 01/19/2023] [Accepted: 01/22/2023] [Indexed: 01/26/2023] Open
Abstract
Essential oils (EOs) are mixtures of volatile plant secondary metabolites and have been exploited by humans for thousands of years for various purposes because of their many bioactivities. In this study, the EO from Thymus capitatus, a thyme species organically cultured on the Greek Island of Lemnos, was analyzed for its chemical composition (through GC-FID and GC-MS), antioxidant activity (AA), and total phenolic content (TPC), as well as its antimicrobial and antibiofilm actions against three important foodborne bacterial pathogens (Salmonella enterica ser. Typhimurium, Listeria monocytogenes, and Yersinia enterocolitica). For the latter investigations, the minimum inhibitory concentrations (MICs) and minimum biofilm inhibitory concentrations (MBICs) of the EO against the planktonic and biofilm growth of each pathogen were determined, together with the minimum biofilm eradication concentrations (MBECs). Results revealed that T. capitatus EO was rich in thymol, p-cymene, and carvacrol, presenting high AA and TPC (144.66 μmol TroloxTM equivalents and 231.32 mg gallic acid equivalents per g of EO, respectively), while its MICs and MBICs ranged from 0.03% to 0.06% v/v and 0.03% to 0.13% v/v, respectively, depending on the target pathogen. The EO was able to fully destroy preformed (mature) biofilms of all three pathogenic species upon application for 15 min, with MBECs ranging from 2.00 to 6.25% v/v. Overall, the results demonstrate that the EO of organically cultured T. capitatus presents strong antioxidant, antibacterial, and antibiofilm properties and could, therefore, be further exploited as a functional and antimicrobial natural formulation for food and health applications.
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28
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De Silva LADS, Heo GJ. Biofilm formation of pathogenic bacteria isolated from aquatic animals. Arch Microbiol 2022; 205:36. [PMID: 36565346 DOI: 10.1007/s00203-022-03332-8] [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: 09/11/2021] [Revised: 11/06/2022] [Accepted: 11/10/2022] [Indexed: 12/25/2022]
Abstract
Bacterial biofilm formation is one of the dynamic processes, which facilitates bacteria cells to attach to a surface and accumulate as a colony. With the help of biofilm formation, pathogenic bacteria can survive by adapting to their external environment. These bacterial colonies have several resistance properties with a higher survival rate in the environment. Especially, pathogenic bacteria can grow as biofilms and can be protected from antimicrobial compounds and other substances. In aquaculture, biofilm formation by pathogenic bacteria has emerged with an increased infection rate in aquatic animals. Studies show that Vibrio anguillarum, V. parahaemolyticus, V. alginolyticus, V. harveyi, V. campbellii, V. fischeri, Aeromonas hydrophila, A. salmonicida, Yersinia ruckeri, Flavobacterium columnare, F. psychrophilum, Piscirickettsia salmonis, Edwardsiella tarda, E. ictaluri, E. piscicida, Streptococcus parauberis, and S. iniae can survive in the environment by transforming their planktonic form to biofilm form. Therefore, the present review was intended to highlight the principles behind biofilm formation, major biofilm-forming pathogenic bacteria found in aquaculture systems, gene expression of those bacterial biofilms and possible controlling methods. In addition, the possibility of these pathogenic bacteria can be a serious threat to aquaculture systems.
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Affiliation(s)
- L A D S De Silva
- Laboratory of Aquatic Animal Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Chungdae-Ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Gang-Joon Heo
- Laboratory of Aquatic Animal Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Chungdae-Ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea.
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GC-MS Analysis and Microbiological Evaluation of Caraway Essential Oil as a Virulence Attenuating Agent against Pseudomonas aeruginosa. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238532. [PMID: 36500623 PMCID: PMC9741284 DOI: 10.3390/molecules27238532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/27/2022] [Accepted: 11/30/2022] [Indexed: 12/09/2022]
Abstract
The emergence of resistant microbes threatens public health on our planet, and the emergence of resistant bacteria against the most commonly used antibiotics necessitates urgent alternative therapeutic options. One way to fight resistant microbes is to design new antimicrobial agents, however, this approach takes decades of research. An alternative or parallel approach is to target the virulence of bacteria with natural or synthetic agents. Active constituents from medicinal plants represent a wide library to screen for natural anti-virulence agents. Caraway is used as a traditional spice and in some medicinal applications such as carminative, antispasmodic, appetizer, and expectorant. Caraway essential oil is rich in terpenes that were previously reported to have antimicrobial activities. In our study, we tested the caraway essential oil in sub-inhibitory concentration as a virulence agent against the Gram-negative bacteria Pseudomonas aeruginosa. Caraway essential oil in sub-inhibitory concentration dramatically blocked protease activity, pyocyanin production, biofilm formation, and quorum sensing activity of P. aeruginosa. The gas chromatography-mass spectroscopy (GC-MS) profile of caraway fruit oil identified 13 compounds representing 85.4% of the total oil components with carvone and sylvestrene as the main constituents. In conclusion, caraway essential oil is a promising virulence-attenuating agent that can be used against topical infections caused by P. aeruginosa.
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Dynamic Salmonella Enteritidis biofilms development under different flow conditions and their removal using nanoencapsulated thymol. Biofilm 2022; 4:100094. [DOI: 10.1016/j.bioflm.2022.100094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/27/2022] Open
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Blue Light Signaling Regulates Escherichia coli W1688 Biofilm Formation and l-Threonine Production. Microbiol Spectr 2022; 10:e0246022. [PMID: 36165805 PMCID: PMC9604211 DOI: 10.1128/spectrum.02460-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Escherichia coli biofilm may form naturally on biotic and abiotic surfaces; this represents a promising approach for efficient biochemical production in industrial fermentation. Recently, industrial exploitation of the advantages of optogenetics, such as simple operation, high spatiotemporal control, and programmability, for regulation of biofilm formation has garnered considerable attention. In this study, we used the blue light signaling-induced optogenetic system Magnet in an E. coli biofilm-based immobilized fermentation system to produce l-threonine in sufficient quantity. Blue light signaling significantly affected the phenotype of E. coli W1688. A series of biofilm-related experiments confirmed the inhibitory effect of blue light signaling on E. coli W1688 biofilm. Subsequently, a strain lacking a blue light-sensing protein (YcgF) was constructed via genetic engineering, which substantially reduced the inhibitory effect of blue light signaling on biofilm. A high-efficiency biofilm-forming system, Magnet, was constructed, which enhanced bacterial aggregation and biofilm formation. Furthermore, l-threonine production was increased from 10.12 to 16.57 g/L during immobilized fermentation, and the fermentation period was shortened by 6 h. IMPORTANCE We confirmed the mechanism underlying the inhibitory effects of blue light signaling on E. coli biofilm formation and constructed a strain lacking a blue light-sensing protein; this mitigated the aforementioned effects of blue light signaling and ensured normal fermentation performance. Furthermore, this study elucidated that the blue light signaling-induced optogenetic system Magnet effectively regulates E. coli biofilm formation and contributes to l-threonine production. This study not only enriches the mechanism of blue light signaling to regulate E. coli biofilm formation but also provides a theoretical basis and feasibility reference for the application of optogenetics technology in biofilm-based immobilized fermentation systems.
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Uddin Mahamud AGMS, Nahar S, Ashrafudoulla M, Park SH, Ha SD. Insights into antibiofilm mechanisms of phytochemicals: Prospects in the food industry. Crit Rev Food Sci Nutr 2022; 64:1736-1763. [PMID: 36066482 DOI: 10.1080/10408398.2022.2119201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The recalcitrance of microbial aggregation or biofilm in the food industry underpins the emerging antimicrobial resistance among foodborne pathogens, exacerbating the phenomena of food spoilage, processing and safety management failure, and the prevalence of foodborne illnesses. The challenges of growing tolerance to current chemical and disinfectant-based antibiofilm strategies have driven the urgency in finding a less vulnerable to bacterial resistance, effective alternative antibiofilm agent. To address these issues, various novel strategies are suggested in current days to combat bacterial biofilm. Among the innovative approaches, phytochemicals have already demonstrated their excellent performance in preventing biofilm formation and bactericidal actions against resident bacteria within biofilms. However, the diverse group of phytochemicals and their different modes of action become a barrier to applying them against specific pathogenic biofilm-formers. This phenomenon mandates the need to elucidate the multi-mechanistic actions of phytochemicals to design an effective novel antibiofilm strategy. Therefore, this review critically illustrates the structure - activity relationship, functional sites of actions, and target molecules of diverse phytochemicals regarding multiple major antibiofilm mechanisms and reversal mechanisms of antimicrobial resistance. The implementation of the in-depth knowledge will hopefully aid future studies for developing phytochemical-based next-generation antimicrobials.
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Affiliation(s)
- A G M Sofi Uddin Mahamud
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Shamsun Nahar
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Md Ashrafudoulla
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
| | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA
| | - Sang-Do Ha
- School of Food Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi-do, Republic of Korea
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Purgatorio C, Serio A, Chaves-López C, Rossi C, Paparella A. An overview of the natural antimicrobial alternatives for sheep meat preservation. Compr Rev Food Sci Food Saf 2022; 21:4210-4250. [PMID: 35876396 DOI: 10.1111/1541-4337.13004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 06/09/2022] [Accepted: 06/19/2022] [Indexed: 01/28/2023]
Abstract
Sheep meat is consumed and appreciated all over the world for its nutritional value and flavor. However, this meat is very perishable and easily subjected to the action of both spoilage and pathogenic microorganisms. For this reason, in combination with cold storage, effective preservation techniques are required. There is increasing interest in the application of natural antimicrobials, such as essential oils, extracts, spices, and by-products of the food industry. This review analyses the studies on natural antimicrobials in sheep meat and sheep meat products and gathers evidence about the encouraging results achieved on the reduction and/or elimination of spoilage and pathogenic microorganisms. The use of these natural antimicrobial alternatives might open up important perspectives for industrial application, considering that this specific meat is often traded over long distances. In fact, on the basis of scientific literature, natural antimicrobials can be considered a sustainable and affordable alternative to extend the shelf life of sheep meat and guarantee its safety, although many factors need to be further investigated, such as the sensory impact, potential toxicity, and economic aspects. For all these issues, investigated in some of the studies reviewed here, it is fundamental to obtain the antimicrobial effect with the minimum amount of effective substance to avoid sensory modifications, toxic effects, and unbearable costs. This study sets foundations for the possible direction of future studies, which will contribute to identify effective solutions for industrial applications of natural antimicrobials in the sheep meat industry.
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Affiliation(s)
- Chiara Purgatorio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Clemencia Chaves-López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
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Balázs VL, Filep R, Répás F, Kerekes E, Szabó P, Kocsis B, Böszörményi A, Krisch J, Horváth G. Immortelle (Helichrysum italicum (Roth) G. Don) Essential Oil Showed Antibacterial and Biofilm Inhibitory Activity against Respiratory Tract Pathogens. Molecules 2022; 27:molecules27175518. [PMID: 36080283 PMCID: PMC9457731 DOI: 10.3390/molecules27175518] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 11/29/2022] Open
Abstract
The biofilm formation of bacteria in different parts of the human body can influence the success of antibiotic therapy. Essential oils (EOs) and their components are becoming increasingly popular in point of view of medicinal applications, because of their antibacterial efficacy. The immortelle EO has been used traditionally as an expectorant; however, there are no studies summarizing its antibacterial effect against respiratory tract bacteria. Our aim was to investigate the antibacterial and biofilm inhibitory activity of immortelle (Helichrysum italicum) EO against respiratory tract pathogens such as Haemophilus influenzae, H. parainfluenzae, Pseudomonas aeruginosa and Streptococcus pneumoniae. In order to prove the antibacterial effect of the immortelle EO, broth microdilution and biofilm inhibition tests, and membrane damage assay were investigated. Scanning electron microscopy was used to identify the structural modifications in bacterial cells. Our results showed that immortelle EO has antibacterial and anti-biofilm effects against respiratory tract bacteria used in this study. H. parainfluenzae was the most sensitive to each treatment, however, P. aeruginosa was the most resistant bacteria. In conclusion, the studied EO may have a role in the treatment of respiratory tract infections due to their antibacterial and anti-biofilm activity.
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Affiliation(s)
- Viktória L. Balázs
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Rita Filep
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Fanni Répás
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Erika Kerekes
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary
| | - Péter Szabó
- Institute of Geography and Earth Sciences, Faculty of Sciences, University of Pécs, 7624 Pécs, Hungary
| | - Béla Kocsis
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Andrea Böszörményi
- Institute of Pharmacognosy, Faculty of Pharmacy, Semmelweis University, 1085 Budapest, Hungary
| | - Judit Krisch
- Department of Food Engineering, Faculty of Engineering, University of Szeged, 6724 Szeged, Hungary
| | - Györgyi Horváth
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
- Correspondence:
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Eugenol, Isolated from the Essential Oil from Lonicera japonica Flower Buds, Could Increase the Oxidative Stability of Sunflower Oil in the Deep-Frying Procedure of Youtiao. Processes (Basel) 2022. [DOI: 10.3390/pr10091670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In order to assess the sunflower oil (SFO) oxidative stability that was added by the essential oils extracted from Lonicera japonica flower buds (LJEO) during deep-frying at 180 °C for 30 h, we clarified the compound/compounds of LJEO that improved the oxidative stability of SFO. The results displayed that the addition of LJEO (0.06 g/kg) could significantly restrict the elevation or the reduction in the levels of total polar compounds (TPC), thiobarbituric acid (TBA), conjugated dienes and conjugated trienes, and the values for polymer, viscosity and the color of SFO during the whole period. Meanwhile, the reduction in the sensory attributes, including flavor, taste, crispness and overall acceptability of the fried product, youtiao, was obviously restricted as well. After the bioassay-guided fractionation of LJEO and repeated deep-frying at 180 °C for 30 h, one of its chemical constituents, eugenol, was demonstrated to be the very compound that did significantly inhibit the oxidative rancidity of the SFO. Therefore, eugenol may be employed as potential effective natural antioxidants to inhibit the oxidative rancidity of SFO during its deep-frying procedures.
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Zhan X, Tan Y, Lv Y, Fang J, Zhou Y, Gao X, Zhu H, Shi C. The Antimicrobial and Antibiofilm Activity of Oregano Essential Oil against Enterococcus faecalis and Its Application in Chicken Breast. Foods 2022; 11:2296. [PMID: 35954060 PMCID: PMC9368637 DOI: 10.3390/foods11152296] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 02/05/2023] Open
Abstract
Oregano essential oil (OEO) possesses anti-inflammatory, antioxidant, and cancer-suppressive properties. Enterococcus faecalis is a foodborne opportunistic pathogen that can be found in nature and the food processing industry. The goal of this investigation was to explore the antimicrobial action and mechanism of OEO against E. faecalis, inactivation action of OEO on E. faecalis in mature biofilms, and its application in chicken breast. The minimum inhibitory concentration (MIC) of OEO against E. faecalis strains (ATCC 29212 and nine isolates) ranged from 0.25 to 0.50 μL/mL. OEO therapy reduced intracellular adenosine triphosphate (ATP) levels, caused cell membrane hyperpolarization, increased the intracellular reactive oxygen species (ROS), and elevated extracellular malondialdehyde (MDA) concentrations. Furthermore, OEO treatment diminished cell membrane integrity and caused morphological alterations in the cells. In biofilms on stainless-steel, OEO showed effective inactivation activity against E. faecalis. OEO reduced the number of viable cells, cell viability and exopolysaccharides in the biofilm, as well as destroying its structure. Application of OEO on chicken breast results in a considerable reduction in E. faecalis counts and pH values, in comparison to control samples. These findings suggest that OEO could be utilized as a natural antibacterial preservative and could effectively control E. faecalis in food manufacturing.
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Affiliation(s)
| | | | | | | | | | | | | | - Chao Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; (X.Z.); (Y.T.); (Y.L.); (J.F.); (Y.Z.); (X.G.); (H.Z.)
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Essential Oil-Based Nanoparticles as Antimicrobial Agents in the Food Industry. Microorganisms 2022; 10:microorganisms10081504. [PMID: 35893562 PMCID: PMC9331367 DOI: 10.3390/microorganisms10081504] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 02/01/2023] Open
Abstract
The use of essential oils (EO) loaded with nanoparticles is the most promising alternative to increase food quality and safety. Interesting works describe the antimicrobial properties of EO for pathogen control in natural and processed foods for human health and animal production, also contributing to sustainability. Their association with different nanosystems allows novel developments in the micronutrition, health promotion, and pathogen control fields, preventing the aggravation of bacterial microevolution and combating antibiotic resistance. Benefits to the environment are also provided, as they are biodegradable and biocompatible. However, such compounds have some physicochemical properties that prevent commercial use. This review focuses on recent developments in antimicrobial EO-based nanoparticles and their application in different food matrices.
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Aleksić A, Stojanović-Radić Z, Harmanus C, Kuijper E, Stojanović P. In vitro anti-clostridial action and potential of the spice herbs essential oils to prevent biofilm formation of hypervirulent Clostridioides difficile strains isolated from hospitalized patients with CDI. Anaerobe 2022; 76:102604. [PMID: 35709937 DOI: 10.1016/j.anaerobe.2022.102604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Clostridioides difficile is the most common causative agent of antibiotic-acquired diarrhea in hospitalized patients associated with substantial morbidity and mortality. The global epidemic of CDI (Clostridioides difficile infection) began in the early 20th century with the emergence of the hypervirulent and resistant ribotype 027 strains, and requires an urgent search for new therapeutic agents. OBJECTIVE The aim of this study is to investigate the antibacterial activity of the three essential oils isolated from spice herbs (wild oregano, garlic and black pepper) against C. difficile clinical isolates belonging to 6 different PCR ribotypes and their potential inhibitory effect on the biofilm production in in vitro conditions. RESULTS Wild oregano essential oil showed strong inhibitory activity in concentrations 0.02-1.25 mg/mL and bactericidal activity in concentrations from 0.08 to 10 mg/mL. Garlic essential oil was effective in the concentration range of 0.02-40 mg/mL, and 0.16 - > 40 mg/mL. MIC and MBC for black pepper oil ranged from 0.04 to 40 mg/mL, and 0.08 - > 40 mg/mL, respectively. All the tested oils reduced in vitro biofilm production, with the best activity of oregano oil. CONCLUSION Essential oils of wild oregano, black pepper and garlic are candidates for adjunctive therapeutics in the treatment of CDI. Oregano oil should certainly be preferred due to the lack of selectivity of action in relation to the ribotype, the strength of the produced biofilm and/or antibiotic-susceptibility patterns.
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Affiliation(s)
- Ana Aleksić
- Faculty of Sciences and Mathematics, Department of Biology and Ecology, University of Nis, Serbia
| | - Zorica Stojanović-Radić
- Faculty of Sciences and Mathematics, Department of Biology and Ecology, University of Nis, Serbia.
| | - Celine Harmanus
- National Reference Laboratory for Clostridioides Difficile, Department of Medical Microbiology, Leiden University Medical Center, Leiden, the Netherlands
| | - EdJ Kuijper
- National Reference Laboratory for Clostridioides Difficile, Department of Medical Microbiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Predrag Stojanović
- Faculty of Medicine, University of Nis, Serbia; Institute for Public Health Nis, Center of Microbiology, Serbia
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Antimicrobial, Multidrug Resistance Reversal and Biofilm Formation Inhibitory Effect of Origanum majorana Extracts, Essential Oil and Monoterpenes. PLANTS 2022; 11:plants11111432. [PMID: 35684205 PMCID: PMC9183178 DOI: 10.3390/plants11111432] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 12/12/2022]
Abstract
Origanum majorana L. is a widely used medicinal plant; its distilled oil and preparations are extensively utilised in the phytotherapy and food industries. The objective of this study is to evaluate the extracts and the essential oil (EO) of Origanum majorana L, and its monoterpenes for antimicrobial, bacterial multidrug resistance reversing, and biofilm formation inhibitory potency. The composition of EO and n-hexane extract was characterized by GC-MS. In the essential oil terpinen-4-ol (24.92%), trans-sabinene hydrate (25.18%), γ-terpinene (6.48%), cis-sabinene hydrate (5.44%), p-cymene (4.72%), sabinene (4.53%), α-terpineol (4.43%), and α-terpinene (3.00%) were found as the main constituents while trans-sabinene hydrate (1.43%), and terpinen-4-ol (0.19%) were detected in the n-hexane extract besides a series of hydrocarbons. The antibacterial activity of EO and terpinen-4-ol, α-terpinene, and linalool was also assessed against sensitive and drug-resistant S. aureus, and E. coli strains with MIC values of 0.125–0.250% and 30–61 µM, respectively. In the efflux pump (EP) inhibitory assay, made by the ethidium bromide accumulation method in E. coli ATCC 25922, and AG100 and S. aureus ATCC 25923, and MRSA ATCC 43300 strains, EO exhibited substantial activity, especially in the E. coli ATCC 25922 strain. Among the EO constituents, only sabinene was an EP inhibitor in sensitive Escherichia strain. In the case of S. aureus strains, EO and sabinene hydrate exhibited moderate potency on the drug-resistant phenotype. The antibiofilm effects of the samples were tested by crystal violet staining at sub-MIC concentration. γ-Terpinene, terpinen-4-ol, sabinene, sabinene hydrate and linalool were found to be effective inhibitors of biofilm formation (inhibition 36–86%) on E. coli ATCC 25922 and S. aureus MRSA ATCC 43300, while EO was ineffective on these strains. In contrast to this, biofilms formed by E. coli AG100 and S. aureus ATCC 25923 were significantly inhibited by the EO; however, it was not affected by any of the monoterpenes. This observation suggests that the antibiofilm effect might be altered by the synergism between the components of the essential oil.
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Nazzaro F, Polito F, Amato G, Caputo L, Francolino R, D’Acierno A, Fratianni F, Candido V, Coppola R, De Feo V. Chemical Composition of Essential Oils of Bulbs and Aerial Parts of Two Cultivars of Allium sativum and Their Antibiofilm Activity against Food and Nosocomial Pathogens. Antibiotics (Basel) 2022; 11:antibiotics11060724. [PMID: 35740131 PMCID: PMC9219697 DOI: 10.3390/antibiotics11060724] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/17/2022] Open
Abstract
This work aimed to evaluate the chemical composition of the essential oils (EOs) of two cultivars of Allium sativum and their antibiofilm activity against the food pathogens Acinetobacter baumannii, Escherichia coli, Listeria monocytogenes, and Staphylococcus aureus. The crystal violet assay ascertained the susceptibility of the bacterial biofilms, while the MTT assay let to evaluations of the metabolic changes occurring in the bacterial cells within biofilms. Their chemical composition indicated some sulfuric compounds (i.e., allicin, diallyl disulfide, and allyl propyl disulfide), and decene as some of the main components of the EOs. The aerial parts and bulbs’ EOs from the two cultivars showed chemical differences, which seemed to affect the antibiofilm activity. The EOs from aerial parts of ‘Bianco del Veneto’ inhibited the biofilm formation of L. monocytogenes and E. coli (60.55% and 40.33%, respectively). In comparison, the ‘Staravec’ EO inhibited the cellular metabolism of E. coli (62.44%) and S. aureus (51.52%) sessile cells. These results indicate their possible use as preserving agents in the food industry and suggest their potential exploitation in the development of new formulations to avoid or limit nosocomial infections.
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Affiliation(s)
- Filomena Nazzaro
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
- Correspondence:
| | - Flavio Polito
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (R.F.)
| | - Giuseppe Amato
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
| | - Lucia Caputo
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (R.F.)
| | - Rosaria Francolino
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (R.F.)
| | - Antonio D’Acierno
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
| | - Florinda Fratianni
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
| | - Vincenzo Candido
- Department of European and Mediterranean Culture, University of Basilicata, Via Lanera, 20, 75100 Matera, Italy;
| | - Raffaele Coppola
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy
| | - Vincenzo De Feo
- Institute of Food Sciences, CNR-ISA, Via Roma, 64, 83100 Avellino, Italy; (G.A.); (A.D.); (F.F.); (R.C.); (V.D.F.)
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (R.F.)
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Antifungal and Modulatory Activity of Lemon Balm (Lippia alba (MILL.) N. E. BROWN) Essential Oil. Sci Pharm 2022. [DOI: 10.3390/scipharm90020031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fungal diseases and the progressive development of resistance are a challenge. In this context, Lippia alba (lemon balm) is a species used in folk medicine, being described with antimicrobial potential. The aim of this study was to determine the antifungal activity and modulating effect of the essential oil of Lippia alba (Mill.) N.E. Brown leaves (LaEO). The antifungal activity of LaEO on eight Candida strains was determined by minimum inhibitory concentration (MIC) and minimum lethal concentration (MLC), minimum biofilm inhibition concentration (MBIC), minimum biofilm eradication concentration (MBEC) and time-kill. The checkerboard technique was used to determine the modulating effect of LaEO on antifungal activity. The results indicate the presence of 11 constituents, with a predominance of carvone (58.15%) and limonene (25.37%). LaEO was able to inhibit the growth of all tested microorganisms, with MIC and MLC ranging from 0.078 to 1.25 mg/mL and MBIC and MBEC ranging from 0.156 to 5 mg/mL. The time-kill assay showed that LaEO was able to eliminate the strains after two hours of exposure and the best association was observed for the combination of LaEO and ketoconazole. The results of the study indicate that LaEO has excellent antifungal activity with potential biotechnological application.
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Hossain MI, Rahaman Mizan MF, Toushik SH, Roy PK, Jahid IK, Park SH, Ha SD. Antibiofilm effect of nisin alone and combined with food-grade oil components (thymol and eugenol) against Listeria monocytogenes cocktail culture on food and food-contact surfaces. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108796] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Buccioni F, Purgatorio C, Maggio F, Garzoli S, Rossi C, Valbonetti L, Paparella A, Serio A. Unraveling the Antimicrobial Effectiveness of Coridothymus capitatus Hydrolate against Listeria monocytogenes in Environmental Conditions Encountered in Foods: An In Vitro Study. Microorganisms 2022; 10:microorganisms10050920. [PMID: 35630364 PMCID: PMC9146057 DOI: 10.3390/microorganisms10050920] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 04/24/2022] [Accepted: 04/26/2022] [Indexed: 02/03/2023] Open
Abstract
The increased resistance of bacteria to antimicrobials, as well as the growing interest in innovative and sustainable alternatives to traditional food additives, are driving research towards the use of natural food preservatives. Among these, hydrolates (HYs) have gained attention as “mild” alternatives to conventional antimicrobial compounds. In this study, the response of L. monocytogenes ATCC 7644 exposed to increasing concentrations of Coridothymus capitatus HY (CHY) for 1 h at 37 °C was evaluated by means of Phenotype Microarray, modelling the kinetic data obtained by inoculating control and treated cells into GEN III microplates, after CHY removal. The results revealed differences concerning the growth dynamics in environmental conditions commonly encountered in food processing environments (different carbon sources, pH 6.0, pH 5.0, 1–8% NaCl). More specifically, for treated cells, the lag phase was extended, the growth rate was slowed down and, in most cases, the maximum concentration was diminished, suggesting the persistence of stress even after CHY removal. Confocal Laser Scanner Microscopy evidenced a diffuse aggregation and suffering of the treated cells, as a response to the stress encountered. In conclusion, the treatment with HY caused a stressing effect that persisted after its removal. The results suggest the potential of CHY application to control L. monocytogenes in food environments.
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Affiliation(s)
- Francesco Buccioni
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Chiara Purgatorio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Francesca Maggio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Stefania Garzoli
- Department of Chemistry and Technologies of Drug, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Luca Valbonetti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, Italy; (F.B.); (C.P.); (F.M.); (C.R.); (L.V.); (A.P.)
- Correspondence:
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Lauteri C, Maggio F, Serio A, Festino AR, Paparella A, Vergara A. Overcoming Multidrug Resistance in Salmonella spp. Isolates Obtained From the Swine Food Chain by Using Essential Oils: An in vitro Study. Front Microbiol 2022; 12:808286. [PMID: 35222307 PMCID: PMC8863735 DOI: 10.3389/fmicb.2021.808286] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/13/2021] [Indexed: 12/27/2022] Open
Abstract
Antimicrobial resistance (AMR) is a global concern, and new approaches are needed to circumvent animal and food-borne resistant pathogens. Among the new strategies, the combination of antibiotics with natural compounds such as essential oils (EOs) could be an alternative to challenge bacterial resistance. The present study evaluates the phenotypic and genotypic antibiotic resistance of 36 Salmonella enterica (16 S. Typhimurium, 3 monophasic variant S. Typhimurium, 8 S. Enteritidis, 6 S. Rissen, 1 S. Typhi, and 2 S. Derby) strains, isolated from the swine production chain. The isolates displayed phenotypic resistance to gentamicin, amikacin, tobramycin, and tetracycline, while the resistance genes most commonly detected were parC, catA, nfsB, nfsA, blaTEM, tetA, and tetB. Then 31/36 Salmonella isolates were chosen to evaluate resistance to tetracycline and Thymus vulgaris, Eugenia caryophyllata, and Corydothymus capitatus EOs by determining minimum inhibitory concentrations (MICs). Finally, the synergistic effect between tetracycline and each EOs was evaluated by the checkerboard method, calculating the fractional inhibitory concentration (FIC) index. Among the EOs, C. capitatus displayed the best bioactivity in terms of MICs, with the lowest values (0.31 and 0.625 μl/ml). On the contrary, the strains showed the ability to grow in the presence of the maximum concentration of tetracycline employed (256 μg/ml). While not displaying a real synergism according to the FIC index, the combination of tetracycline compounds and the three EOs resulted in a significant reduction in the MIC values to tetracycline (4 μg/ml), suggesting a restoration of the susceptibility to the antibiotic in Salmonella spp.
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Affiliation(s)
- Carlotta Lauteri
- Section of Food Inspection, Faculty of Veterinary Medicine, School of Specialization in Inspection of Foods of Animal Origin, "G. Tiecco" University of Teramo, Teramo, Italy
| | - Francesca Maggio
- Section of Food Microbiology, Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Annalisa Serio
- Section of Food Microbiology, Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Anna Rita Festino
- Section of Food Inspection, Faculty of Veterinary Medicine, School of Specialization in Inspection of Foods of Animal Origin, "G. Tiecco" University of Teramo, Teramo, Italy
| | - Antonello Paparella
- Section of Food Microbiology, Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Alberto Vergara
- Section of Food Inspection, Faculty of Veterinary Medicine, School of Specialization in Inspection of Foods of Animal Origin, "G. Tiecco" University of Teramo, Teramo, Italy
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Rossi C, Maggio F, Casaccia M, Chaves‐López C, Valbonetti L, Serio A, Paparella A. Comparing the effectiveness of
Cinnamomum zeylanicum
essential oil and two common household sanitizers to reduce lettuce microbiota and prevent
Salmonella enterica
recontamination. J Food Saf 2022. [DOI: 10.1111/jfs.12963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Francesca Maggio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Manila Casaccia
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Clemencia Chaves‐López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Luca Valbonetti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment University of Teramo Teramo TE Italy
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46
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Sharma S, Jaiswal S, Duffy B, Jaiswal AK. Advances in emerging technologies for the decontamination of the food contact surfaces. Food Res Int 2022; 151:110865. [PMID: 34980401 DOI: 10.1016/j.foodres.2021.110865] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/13/2021] [Accepted: 12/02/2021] [Indexed: 11/18/2022]
Abstract
Foodborne pathogens could be transferred to food from food contact surfaces contaminated by poor hygiene or biofilm formation. The food processing industry has various conditions favouring microbes' adherence, such as moisture, nutrients, and the microbial inoculums obtained from the raw material. The function of the ideal antimicrobial surface is preventing initial attachment of the microbes, killing the microbes or/and removing the dead bacteria. This review article provides detail about the challenges food industries are facing with respect to food contact materials. It also summarises the merits and demerits of several sanitizing methods developed for industrial use. Furthermore, it reviews the new and emerging techniques that enhance the efficiency of reducing microbial contamination. Techniques such as surface functionalisation, high-intensity ultrasound, cold plasma technologies etc. which have high potential to be used for the decontamination of food contact surfaces are discussed. The emerging designs of antibacterial surfaces provide the opportunity to reduce or eradicate the adhesion of microorganisms. The most important purpose of these surfaces is to prevent the attachment of bacteria and to kill the bacteria that come in contact. These emerging technologies have a high potential for developing safe and inert food contact materials for the food industry.
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Affiliation(s)
- Shubham Sharma
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin D07 ADY7, Ireland; Environmental Sustainability and Health Institute, Technological University Dublin - City Campus, Grangegorman, Dublin D07 H6K8, Ireland; Centre for Research in Engineering and Surface Technology (CREST-Gateway), FOCAS Institute, Technological University Dublin - City Campus, Kevin Street, Dublin D08 CKP1, Ireland
| | - Swarna Jaiswal
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin D07 ADY7, Ireland; Environmental Sustainability and Health Institute, Technological University Dublin - City Campus, Grangegorman, Dublin D07 H6K8, Ireland.
| | - Brendan Duffy
- Centre for Research in Engineering and Surface Technology (CREST-Gateway), FOCAS Institute, Technological University Dublin - City Campus, Kevin Street, Dublin D08 CKP1, Ireland
| | - Amit K Jaiswal
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin D07 ADY7, Ireland; Environmental Sustainability and Health Institute, Technological University Dublin - City Campus, Grangegorman, Dublin D07 H6K8, Ireland
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47
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Rossi C, Maggio F, Chaves-López C, Valbonetti L, Berrettoni M, Paparella A, Serio A. Effectiveness of selected essential oils and one hydrolate to prevent and remove Listeria monocytogenes biofilms on polystyrene and stainless steel food-contact surfaces. J Appl Microbiol 2021; 132:1866-1876. [PMID: 34800068 DOI: 10.1111/jam.15376] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/01/2021] [Accepted: 11/06/2021] [Indexed: 12/29/2022]
Abstract
AIMS This study aimed to evaluate the effectiveness of selected essential oils (EOs) and hydrolates (Hs) against Listeria monocytogenes biofilms on polystyrene (PS) and stainless steel (SS) surfaces. METHODS AND RESULTS Among others, Origanum hirtum EO, Corydothymus capitatus EO and Citrus aurantium H were selected to treat L. monocytogenes biofilms during and after biofilm formation. Sub-minimum inhibitory concentrations (MICs) of C. capitatus EO (0.31 µl/ml) showed the highest inhibiting effect against biofilm formation on PS, while on SS no significant differences between the EOs were observed (43.7%-88.7% inhibition). Overall, the tested biosanitizers showed limited activity as biofilm removal agents. Although generally less effective, C. aurantium H exhibited good biofilm inhibition performance at 62.5 µl/ml, particularly on PS. Confocal laser scanning microscopy proved that sub-MICs of the biosanitizers drastically changed L. monocytogenes biofilm architecture, with bacterial cells elongation in the presence of C. capitatus EO. CONCLUSIONS Our findings suggest that the tested EOs and H are able to control Listeria biofilms, particularly preventing biofilm formation on both materials. Considering its mild aroma and hydrophilicity, the H exhibited promising perspectives of application. SIGNIFICANCE AND IMPACT OF STUDY This study raises the possibility of applying EOs and Hs to control biofilms on different surfaces in the food industry.
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Affiliation(s)
- Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Francesca Maggio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Clemencia Chaves-López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Luca Valbonetti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Marco Berrettoni
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
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48
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Molina-Hernandez JB, Aceto A, Bucciarelli T, Paludi D, Valbonetti L, Zilli K, Scotti L, Chaves-López C. The membrane depolarization and increase intracellular calcium level produced by silver nanoclusters are responsible for bacterial death. Sci Rep 2021; 11:21557. [PMID: 34732754 PMCID: PMC8566483 DOI: 10.1038/s41598-021-00545-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/13/2021] [Indexed: 02/08/2023] Open
Abstract
This work highlights how our silver ultra nanoclusters (ARGIRIUM-SUNc) hand-made synthesized, are very useful as a bactericide and anti-biofilm agent. The Argirium-SUNc effective antibacterial concentrations are very low (< 1 ppm) as compared to the corresponding values reported in the literature. Different bacterial defense mechanisms are observed dependent on ARGIRIUM-SUNc concentrations. Biochemical investigations (volatilome) have been performed to understand the pathways involved in cell death. By using fluorescence techniques and cell viability measurements we show, for the first time, that membrane depolarization and calcium intracellular level are both primary events in bacteria death. The ARGIRIUM-SUNc determined eradication of different biofilm at a concentration as low as 0.6 ppm. This suggests that the effect of the nanoparticles follows a common mechanism in different bacteria. It is highly probable that the chemical constitution of the crosslinks could be a key target in the disrupting mechanism of our nanoparticles. Since the biofilms and their constituents are essential for bacterial survival in contact with humans, the silver nanoparticles represent a logical target for new antibacterial treatments.
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Affiliation(s)
| | - Antonio Aceto
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Tonino Bucciarelli
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Domenico Paludi
- Faculty of Veterinary Medicine, University of Teramo, Teramo, Italy
| | - Luca Valbonetti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
| | - Katiuscia Zilli
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise Giuseppe Caporale, Teramo, Italy
| | - Luca Scotti
- Department of Medical, Oral and Biotechnological Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.
| | - Clemencia Chaves-López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, Italy
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49
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Zhong X, Gao F, Wei H, Zhou H, Zhou X. Functionalization of mesoporous silica as an effective composite carrier for essential oils with improved sustained release behavior and long-term antibacterial performance. NANOTECHNOLOGY 2021; 33:035706. [PMID: 34649224 DOI: 10.1088/1361-6528/ac2fe2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
In this work, a novel composite carrier system for loading essential oils was developed by using tetraethyl orthosilicate (TEOS) and (3-aminopropyl) triethoxysilane (APTES) as silica precursors and cetyl trimethyl ammonium bromide (CTAB) as a template, and the resultant aminated mesoporous silica was further chemically modified by polyacrylic acid (PAA). The obtained composite carriers exhibited a high loading capability toward tea tree oil (TTO), and they also significantly improved the release behavior of TTO due to the steric hindrance of silica mesopore and the polymer restriction. Besides, it was found that the release behavior followed the First-Order kinetic model, revealing that the release of TTO was driven by the concentration gradient. In addition, these composite carriers with essential oil-loaded demonstrated remarkable antibacterial performance againstE. coliandS. aureus, and they could retain antibacterial performance even after 50 d. Moreover, the antibacterial mechanism was also elucidated with the assistance of nucleic acid and conductivity measurements. Therefore, this work provides a facile and environmentally friendly approach to preparing effective composite carriers for improving the sustained release of essential oils, and the long-term antibacterial performance of these essential oil-loaded composite carriers makes them tremendously potential for practical applications.
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Affiliation(s)
- Ximing Zhong
- Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, People's Republic of China
| | - Fan Gao
- Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, People's Republic of China
| | - Hongjie Wei
- Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, People's Republic of China
| | - Hongjun Zhou
- Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, People's Republic of China
| | - Xinhua Zhou
- Innovative Institute for Plant Health, Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, People's Republic of China
- Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Mao Ming, Guangdong 525000, People's Republic of China
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50
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Maggio F, Rossi C, Chiaverini A, Ruolo A, Orsini M, Centorame P, Acciari VA, Chaves López C, Salini R, Torresi M, Serio A, Pomilio F, Paparella A. Genetic relationships and biofilm formation of Listeria monocytogenes isolated from the smoked salmon industry. Int J Food Microbiol 2021; 356:109353. [PMID: 34411997 DOI: 10.1016/j.ijfoodmicro.2021.109353] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 11/24/2022]
Abstract
Among pathogens, L. monocytogenes has the capability to persist on Food Processing Environment (FPE), first of all posing safety issues, then economic impact on productivity. The aim of this work was to determine the influence of biofilm forming-ability and molecular features on the persistence of 19 Listeria monocytogenes isolates obtained from FPE, raw and processed products of a cold-smoked salmon processing plant. To verify the phenotypic and genomic correlations among the isolates, different analyses were employed: serotyping, Clonal Complex (CC), core genome Multi-Locus Sequence Typing (cgMLST) and Single Nucleotide Polymorphisms (SNPs) clustering, and evaluation of the presence of virulence- and persistence-associated genes. From our results, the biofilm formation was significantly higher (*P < 0.05) at 37 °C, compared to 30 and 12 °C, suggesting a temperature-dependent behaviour. Moreover, the biofilm-forming ability showed a strain-specific trend, not correlated with CC or with strains persistence. Instead, the presence of internalin (inL), Stress Survival Islet (SSI) and resistance to erythromycin (ermC) genes was correlated with the ability to produce biofilms. Our data demonstrate that the genetic profile influences the adhesion capacity and persistence of L. monocytogenes in food processing plants and could be the result of environmental adaptation in response to the external selective pressure.
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Affiliation(s)
- Francesca Maggio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Chiara Rossi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Alexandra Chiaverini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Anna Ruolo
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Massimiliano Orsini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy; Department of Risk Analysis and Public Health Surveillance, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, PD, Italy
| | - Patrizia Centorame
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Vicdalia A Acciari
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Clemencia Chaves López
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
| | - Romolo Salini
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Marina Torresi
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Annalisa Serio
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy.
| | - Francesco Pomilio
- National Reference Laboratory for Listeria monocytogenes, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, TE, Italy
| | - Antonello Paparella
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Via R. Balzarini 1, 64100 Teramo, TE, Italy
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