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Huang X, Xing Y, Jiang H, Pu Y, Yang S, Kang Z, Cai L. Nonphytotoxic and pH-responsive ZnO-ZIF‑8 loaded with honokiol as a "nanoweapon" effectively controls the soil-borne bacterial pathogen Ralstonia solanacearum. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134502. [PMID: 38743980 DOI: 10.1016/j.jhazmat.2024.134502] [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: 01/26/2024] [Revised: 04/15/2024] [Accepted: 04/29/2024] [Indexed: 05/16/2024]
Abstract
The development of intelligently released and environmentally safe nanocarriers not only aligns with the sustainable agricultural strategy but also offers a potential solution for controlling severe soil-borne bacterial diseases. Herein, the core-shell structured nanocarrier loaded with honokiol bactericide (honokiol@ZnO-ZIF-8) was synthesized via a one-pot method for the targeted control of Ralstonia solanacearum, the causative agent of tobacco bacterial wilt disease. Results indicated that honokiol@ZnO-ZIF-8 nanoparticles induced bacterial cell membrane and DNA damage through the production of excessive reactive oxygen species (ROS), thereby reducing bacterial cell viability and ultimately leading to bacterial death. Additionally, the dissociation mechanism of the nanocarriers was elucidated for the first time through thermodynamic computational simulation. The nanocarriers dissociate primarily due to H+ attacking the N atom on imidazole, causing the rupture of the Zn-N bond under acidic conditions and at room temperature. Furthermore, honokiol@ZnO-ZIF-8 exhibited potent inhibitory effects against other prominent Solanaceae pathogenic bacteria (Pseudomonas syringae pv. tabaci), demonstrating its broad-spectrum antibacterial activity. Biosafety assessment results indicated that honokiol@ZnO-ZIF-8 exhibited non-phytotoxicity towards tobacco and tomato plants, with its predominant accumulation in the roots and no translocation to aboveground tissues within a short period. This study provides potential application value for the intelligent release of green pesticides. ENVIRONMENT IMPLICATION: The indiscriminate use of agrochemicals poses a significant threat to environmental, ecological security, and sustainable development. Slow-release pesticides offer a green and durable strategy for crop disease control. In this study, we developed a non-phytotoxic and pH-responsive honokiol@ZnO-ZIF-8 nano-bactericide based on the pathogenesis of Ralstonia solanacearum. Thermodynamic simulation revealed the dissociation mechanism of ZIF-8, with different acidity controlling the dissociation rate. This provides a theoretical basis for on-demand pesticide release while reducing residue in the. Our findings provide strong evidence for effective soil-borne bacterial disease control and on-demand pesticide release.
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Affiliation(s)
- Xunliang Huang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China; College of Tobacco Science of Guizhou University, Guizhou Key Laboratory for Tobacco Quality, Guiyang 550025, China
| | - Yue Xing
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Hao Jiang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Ya Pu
- College of Tobacco Science of Guizhou University, Guizhou Key Laboratory for Tobacco Quality, Guiyang 550025, China
| | - Song Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling 712100, China.
| | - Lin Cai
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China; College of Tobacco Science of Guizhou University, Guizhou Key Laboratory for Tobacco Quality, Guiyang 550025, China; State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling 712100, China.
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Mechmechani S, Yammine J, Alhuthali S, El Mouzawak M, Charvourou G, Ghasrsallaoui A, Chihib NE, Doulgeraki A, Karam L. Study of the Resistance of Staphylococcus aureus Biofilm, Biofilm-Detached Cells, and Planktonic Cells to Microencapsulated Carvacrol Used Alone or Combined with Low-pH Treatment. Int J Mol Sci 2024; 25:7222. [PMID: 39000327 PMCID: PMC11242642 DOI: 10.3390/ijms25137222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Microbial biofilms pose severe problems in the medical field and food industry, as they are the cause of many serious infections and food-borne diseases. The extreme biofilms' resistance to conventional anti-microbial treatments presents a major challenge to their elimination. In this study, the difference in resistance between Staphylococcus aureus DSMZ 12463 biofilms, biofilm-detached cells, and planktonic cells against microcapsules containing carvacrol was assessed. The antimicrobial/antibiofilm activity of low pH disinfection medium containing the microencapsulated carvacrol was also studied. In addition, the effect of low pH on the in vitro carvacrol release from microcapsules was investigated. The minimum inhibitory concentration of microencapsulated carvacrol was 0.625 mg mL-1. The results showed that biofilms exhibited greater resistance to microencapsulated carvacrol than the biofilm-detached cells and planktonic cells. Low pH treatment alone, by hydrochloric acid addition, showed no bactericidal effect on any of the three states of S. aureus strain. However, microencapsulated carvacrol was able to significantly reduce the planktonic cells and biofilm-detached cells below the detection limit (no bacterial counts), and the biofilm by approximatively 3 log CFU mL-1. In addition, results showed that microencapsulated carvacrol combined with low pH treatment reduced biofilm by more than 5 log CFU mL-1. Thus, the use of microencapsulated carvacrol in acidic environment could be a promising approach to combat biofilms from abiotic surfaces.
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Affiliation(s)
- Samah Mechmechani
- Institut National de Recherche Pour L'agriculture, L'alimentation Et L'environnement (INRAE), University of Lille, Centre national de la recherche scientifique (CNRS), 59120 Lille, France
| | - Jina Yammine
- Institut National de Recherche Pour L'agriculture, L'alimentation Et L'environnement (INRAE), University of Lille, Centre national de la recherche scientifique (CNRS), 59120 Lille, France
| | - Sakhr Alhuthali
- Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 22233, Saudi Arabia
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
| | | | - Georgia Charvourou
- Institute of Technology of Agricultural Products-Hellenic Agricultural Organization DIMITRA, S. Venizelou 1, 14123 Lycovrissi, Greece
| | - Adem Ghasrsallaoui
- Laboratoire d'Automatique, de Génie des Procédés et de Génie Pharmaceutique, CNRS, University Claude Bernard Lyon 1, 43 Bd 11 Novembre 1918, 69622 Villeurbanne, France
| | - Nour Eddine Chihib
- Institut National de Recherche Pour L'agriculture, L'alimentation Et L'environnement (INRAE), University of Lille, Centre national de la recherche scientifique (CNRS), 59120 Lille, France
| | - Agapi Doulgeraki
- Institute of Technology of Agricultural Products-Hellenic Agricultural Organization DIMITRA, S. Venizelou 1, 14123 Lycovrissi, Greece
- Laboratory of Food Microbiology and Hygiene, Department of Food Science and Technology, Faculty of Agriculture, Forestry and Natural Environment, School of Agriculture, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Layal Karam
- Human Nutrition Department, College of Health Sciences, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
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Byun KH, Ha Han S, Woo Choi M, Kim BH, Ha SD. Control of Listeria monocytogenes in food industry by a combination treatment of natural aromatic compound with Listeria-specific bacteriophage cocktail. Food Res Int 2024; 177:113859. [PMID: 38225132 DOI: 10.1016/j.foodres.2023.113859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/05/2023] [Accepted: 12/14/2023] [Indexed: 01/17/2024]
Abstract
Most Listeria monocytogenes found in the food industry are listeriosis-causing pathogens and possess the ability to form biofilms on food and food contact materials (FCMs). This study aims to evaluate the efficacy of the combination treatment of natural aromatic compounds (thymol, eugenol, carvacrol, and citral) with a Listeria-specific phage cocktail in mitigating the threat posed by L. monocytogenes in the food industry. In vitro combination treatment of 1 minimal inhibitory concentration (MIC) of natural aromatic compound with phage cocktail at multiplicity of infection (MOI) 100 reduced more than 4 log CFU/mL of L. monocytogenes planktonic cells and inhibited biofilm formation. In addition, the expression of virulence-related genes (flaA, motB, hlyA, prfA, and actA) and the stress response (sigB) gene were significantly downregulated. The combination of natural aromatic compound with phage cocktail reduced the biofilm cell population on contaminated celery by more than 2 log CFU/g and by more than 2 log CFU/cm2 on already-formed biofilm on FCMs, but it was less effective on chicken meat, with an approximate reduction of only 1 log CFU/g. The antibiofilm activity toward preformed L. monocytogenes biofilms was also observed using field-emission scanning electron microscopy (FESEM) and confocal laser scanning microscopy (CLSM). COMSTAT analysis of the structural change of biofilms revealed that major biofilm structure parameters (biovolume, thickness, diffusion distance, and microcolonies at substratum) were reduced after treatment. Our findings suggest that the combination of natural aromatic compounds with a phage cocktail has enormous potential as an antimicrobial and antibiofilm agent for controlling L. monocytogenes in the food industry.
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Affiliation(s)
- Kye-Hwan Byun
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Nae-ri, Daeduk-myun, Ansung, Kyunggido 17546, South Korea; Technology Innovation Research Division, Hygienic Safety and Materials Research Group, World Institute of Kimchi, Gwangju 61755, South Korea
| | - Sang Ha Han
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Nae-ri, Daeduk-myun, Ansung, Kyunggido 17546, South Korea
| | - Min Woo Choi
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Nae-ri, Daeduk-myun, Ansung, Kyunggido 17546, South Korea
| | - Byoung-Hu Kim
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Nae-ri, Daeduk-myun, Ansung, Kyunggido 17546, South Korea
| | - Sang-Do Ha
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Nae-ri, Daeduk-myun, Ansung, Kyunggido 17546, South Korea.
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Dallagi H, Jha PK, Faille C, LE-Bail A, Rawson A, Benezech T. Removal of biocontamination in the food industry using physical methods; an overview. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Yammine J, Chihib NE, Gharsallaoui A, Dumas E, Ismail A, Karam L. Essential oils and their active components applied as: free, encapsulated and in hurdle technology to fight microbial contaminations. A review. Heliyon 2022; 8:e12472. [PMID: 36590515 PMCID: PMC9798198 DOI: 10.1016/j.heliyon.2022.e12472] [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: 04/04/2022] [Revised: 04/24/2022] [Accepted: 12/11/2022] [Indexed: 12/24/2022] Open
Abstract
Microbial contaminations are responsible for many chronic, healthcare, persistent microbial infections and illnesses in the food sector, therefore their control is an important public health challenge. Over the past few years, essential oils (EOs) have emerged as interesting alternatives to synthetic antimicrobials as they are biodegradable, extracted from natural sources and potent antimicrobials. Through their multiple mechanisms of actions and target sites, no microbial resistance has been developed against them till present. Although extensive documentation has been reported on the antimicrobial activity of EOs, comparisons between the use of whole EOs or their active components alone for an antimicrobial treatment are less abundant. It is also essential to have a good knowledge about EOs to be used as alternatives to the conventional antimicrobial products such as chemical disinfectants. Moreover, it is important to focus not only on planktonic vegetative microorganisms, but to study also the effect on more resistant forms like spores and biofilms. The present article reviews the current knowledge on the mechanisms of antimicrobial activities of EOs and their active components on microorganisms in different forms. Additionally, in this review, the ultimate advantages of encapsulating EOs or combining them with other hurdles for enhanced antimicrobial treatments are discussed.
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Affiliation(s)
- Jina Yammine
- Univ Lille, CNRS, INRAE, Centrale Lille, UMR 8207 – UMET – Unité Matériaux et Transformations, Lille, France,Plateforme de Recherches et d’Analyses en Sciences de l’Environnement (PRASE), Ecole Doctorale des Sciences et Technologies, Université Libanaise, Hadath, Lebanon
| | - Nour-Eddine Chihib
- Univ Lille, CNRS, INRAE, Centrale Lille, UMR 8207 – UMET – Unité Matériaux et Transformations, Lille, France
| | - Adem Gharsallaoui
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, Villeurbanne, France
| | - Emilie Dumas
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, Villeurbanne, France
| | - Ali Ismail
- Plateforme de Recherches et d’Analyses en Sciences de l’Environnement (PRASE), Ecole Doctorale des Sciences et Technologies, Université Libanaise, Hadath, Lebanon
| | - Layal Karam
- Human Nutrition Department, College of Health Sciences, QU Health, Qatar University, Doha, Qatar,Corresponding author.
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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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Mechmechani S, Gharsallaoui A, El Omari K, Fadel A, Hamze M, Chihib NE. Hurdle technology based on the use of microencapsulated pepsin, trypsin and carvacrol to eradicate Pseudomonas aeruginosa and Enterococcus faecalis biofilms. BIOFOULING 2022; 38:903-915. [PMID: 36451605 DOI: 10.1080/08927014.2022.2151361] [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: 04/26/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 06/17/2023]
Abstract
The biofilm lifestyle plays a major role in the resistance and virulence of Pseudomonas aeruginosa and Enterococcus faecalis. In this study, two microencapsulated proteases (pepsin ME-PEP and trypsin ME-TRYP) were evaluated for their biofilm dispersal activity and their synergistic effect with microencapsulated carvacrol (ME-CARV). Spray-drying was used to protect enzymes and essential oil and enhance their activities. Cell count analysis proved the synergistic activity of enzymes and carvacrol treatment as biofilms were further reduced after combined treatment in comparison to ME-CARV or enzymes alone. Furthermore, results showed that sequential treatment in the order ME-TRYP - ME-PEP - ME-CARV resulted in more efficient biofilm removal with a maximum reduction of 5 log CFU mL-1 for P. aeruginosa and 4 log CFU mL-1 for E. faecalis. This study proposes that the combination of microencapsulated proteases with ME-CARV could be useful for the effective control of P. aeruginosa and E. faecalis biofilms.
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Affiliation(s)
- Samah Mechmechani
- CNRS, INRAE, Centrale Lille, UMR 8207 - UMET - Unité Matériaux et Transformations, Univ. Lille, Lille, France
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Adem Gharsallaoui
- Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, Univ Lyon, Villeurbanne, France
| | - Khaled El Omari
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
- Quality Control Center Laboratories at the Chamber of Commerce, Industry & Agriculture of Tripoli & North Lebanon, Tripoli, Lebanon
| | - Alexandre Fadel
- CNRS, INRAE, Centrale Lille, Université d'Artois, FR 2638 - IMEC -Institut Michel-Eugene Chevreul, Univ Lille, Lille, France
| | - Monzer Hamze
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Nour-Eddine Chihib
- CNRS, INRAE, Centrale Lille, UMR 8207 - UMET - Unité Matériaux et Transformations, Univ. Lille, Lille, France
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Ganea M, Nagy C, Teodorescu AG, Lesyan M, Hanga-Farcas A, Horvath T, Miere FG. Preliminary Studies on the Formulation of Vaginal Suppositories with Liposomal Oregano Oil. PHARMACOPHORE 2022. [DOI: 10.51847/ybqmdzd3tn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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