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da Silva BF, Pereira AMG, Coelho PAT, de Almeida MVA, Dos Santos HS, Carneiro VA, Costa RA. Antibacterial effectiveness of trans-cinnamaldehyde against foodborne Enterobacteriaceae and its adjuvant effect with gentamicin. Braz J Microbiol 2024; 55:1647-1654. [PMID: 38374323 PMCID: PMC11153401 DOI: 10.1007/s42770-024-01282-5] [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: 05/12/2023] [Accepted: 02/07/2024] [Indexed: 02/21/2024] Open
Abstract
The Enterobacteriaceae family is recognized as a primary group of Gram-negative pathogens responsible for foodborne illnesses and is frequently associated with antibiotic resistance. The present study explores the natural-based compound trans-cinnamaldehyde (TC) against drug-resistant Enterobacteriaceae and its synergism with gentamicin (GEN) to address this issue. The research employs three strains of Escherichia coli, Klebsiella pneumoniae, and Enterobacter cloacae, previously isolated from shrimp. The antibacterial activity was evaluated by the disk diffusion method, microdilution test, kinetics of growth, and time-kill curve. In addition, the synergistic effect between TC/GEN was investigated by checkerboard assay. All strains showed sensitivity to TC with an inhibition zone diameter > 35 mm. The TC showed inhibitory and bactericidal action in the most tested bacteria around 625 μg/mL. Sub-inhibitory amounts (1/2 and 1/4 MIC) of TC interfered with the growth kinetics by lag phase extension and decreased the log phase. Time-kill curves show a reduction of viable cells after the first hour of TC treatment at bactericidal concentrations. The synergistic effect between TC/GEN was observed for E. coli and E. cloacae strains with FICi ranging from 0.15 to 0.50. These findings, therefore, suggest TC as a promising alternative in the fight against drug-resistant Enterobacteriaceae that can cause foodborne illnesses.
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Affiliation(s)
- Benise Ferreira da Silva
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil.
- Graduate Program in Biotechnology, Northeast Network of Biotechnology (RENORBIO), State University of Ceará, Campus Itaperi, Fortaleza, Ceará, 60714-903, Brazil.
| | - Antônio Mateus Gomes Pereira
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
- Graduate Program in Biotechnology, Northeast Network of Biotechnology (RENORBIO), State University of Ceará, Campus Itaperi, Fortaleza, Ceará, 60714-903, Brazil
| | - Paulo Adenes Teixeira Coelho
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
| | | | - Hélcio Silva Dos Santos
- Center of Exact Science and Technology, Vale of Acaraú State University, Sobral, Ceará, 62040-370, Brazil
| | - Victor Alves Carneiro
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
| | - Renata Albuquerque Costa
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil.
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2
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Srivastava A, Verma N, Kumar V, Apoorva P, Agarwal V. Biofilm inhibition/eradication: exploring strategies and confronting challenges in combatting biofilm. Arch Microbiol 2024; 206:212. [PMID: 38616221 DOI: 10.1007/s00203-024-03938-0] [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: 01/12/2024] [Revised: 03/04/2024] [Accepted: 03/20/2024] [Indexed: 04/16/2024]
Abstract
Biofilms are complex communities of microorganisms enclosed in a self-produced extracellular matrix, posing a significant threat to different sectors, including healthcare and industry. This review provides an overview of the challenges faced due to biofilm formation and different novel strategies that can combat biofilm formation. Bacteria inside the biofilm exhibit increased resistance against different antimicrobial agents, including conventional antibiotics, which can lead to severe problems in livestock and animals, including humans. In addition, biofilm formation also imposes heavy economic pressure on industries. Hence it becomes necessary to explore newer alternatives to eradicate biofilms effectively without applying selection pressure on the bacteria. Excessive usage of antibiotics may also lead to an increase in the number of resistant strains as bacteria employ an advanced antimicrobial resistance mechanism. This review provides insight into multifaceted technologies like quorum sensing inhibition, enzymes, antimicrobial peptides, bacteriophage, phytocompounds, and nanotechnology to neutralize biofilms without developing antimicrobial resistance (AMR). Furthermore, it will pave the way for developing newer therapeutic agents to deal with biofilms more efficiently.
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Affiliation(s)
- Anmol Srivastava
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, Uttar Pradesh, India
| | - Nidhi Verma
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, Uttar Pradesh, India
| | - Vivek Kumar
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, Uttar Pradesh, India
| | - Pragati Apoorva
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, Uttar Pradesh, India
| | - Vishnu Agarwal
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, Uttar Pradesh, India.
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3
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Mohamed HRH, El-Shamy S, Abdelgayed SS, Albash R, El-Shorbagy H. Modulation efficiency of clove oil nano-emulsion against genotoxic, oxidative stress, and histological injuries induced via titanium dioxide nanoparticles in mice. Sci Rep 2024; 14:7715. [PMID: 38565575 PMCID: PMC10987579 DOI: 10.1038/s41598-024-57728-1] [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: 11/07/2023] [Accepted: 03/21/2024] [Indexed: 04/04/2024] Open
Abstract
Titanium dioxide nanoparticles (TiO2-NPs) have found wide applications in medical and industrial fields. However, the toxic effect of various tissues is still under study. In this study, we evaluated the toxic effect of TiO2-NP on stomach, liver, and kidney tissues and the amelioration effect of clove oil nanoemulsion (CLV-NE) against DNA damage, oxidative stress, pathological changes, and the apoptotic effect of TiO2-NPs. Four groups of male mice were subjected to oral treatment for five consecutive days including, the control group, the group treated with TiO2-NPs (50 mg/kg), the group treated with (CLV-NE) (5% of the MTD), and the group treated with TiO2-NPs plus CLV-NE. The results revealed that the treatment with TiO2-NPs significantly caused DNA damage in the liver, stomach, and kidney tissues due to increased ROS as indicated by the reduction of the antioxidant activity of SOD and Gpx and increased MDA level. Further, abnormal histological signs and apoptotic effect confirmed by the significant elevation of p53 expression were reported after TiO2-NPs administration. The present data reported a significant improvement in the previous parameters after treatment with CLV-NE. These results showed the collaborative effect of the oils and the extra role of nanoemulsion in enhancing antioxidant effectiveness that enhances its disperse-ability and further promotes its controlled release. One could conclude that CLV-NE is safe and can be used as a powerful antioxidative agent to assess the toxic effects of the acute use of TiO2-NPs.
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Affiliation(s)
- Hanan R H Mohamed
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt.
| | - Sawsan El-Shamy
- College of Oral and Dental Surgery, Misr University for Science and Technology, 6th of October, Giza, Egypt
| | - Sherein S Abdelgayed
- Pathology Department, Faculty of Veterinary Medicine Cairo University Giza, Giza, Egypt
| | - Rofida Albash
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Misr University for Science and Technology, 6th of October, Giza, Egypt
| | - Haidan El-Shorbagy
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt.
- Faculty of Biotechnology, October University for Modern Science and Arts, 6th October, Giza, Egypt.
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4
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Kaur M, Sharma S, Kalia A, Sandhu N. Essential oils and their blends: mechanism of antibacterial activity and antibiofilm potential on food-grade maize starch packaging films. Int Microbiol 2024:10.1007/s10123-024-00514-w. [PMID: 38506949 DOI: 10.1007/s10123-024-00514-w] [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: 11/30/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/22/2024]
Abstract
Essential oils are highly complex volatile chemical compounds utilized for food preservation. The present study compares the antibacterial, and antibiofilm activities of essential oils (EOs) and their blends. Three EOs-basil, clove, and lemongrass-and their blends were evaluated against five food-borne bacterial pathogens. A concentration-dependent effect with maximum inhibition at minimum inhibitory concentration values was recorded while no synergistic activity was observed on blending of EOs. The mechanism of antibacterial action was identified as ROS burst, leakage of cytoplasmic content, and DNA degradation through fluorescence microscopy, electrical conductivity, and DNA cleavage studies. The role of EOs on biofilm growth was deciphered with lemongrass EO being most effective as it curbed biofilm formation on the surface of corn-starch packaging films. This work highlights the antibacterial action mechanism of EOs and their potential role in curtailing biofilm growth on food-grade packaging material.
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Affiliation(s)
- Manpreet Kaur
- Department of Microbiology, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana, Pincode:141004, Punjab, India
| | - Shivani Sharma
- Department of Microbiology, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana, Pincode:141004, Punjab, India
| | - Anu Kalia
- Electron Microscoy and Nanoscience Laboratory, Department of Soil Science, College of Agriculture, Punjab Agricultural University, Ludhiana, Pincode:141004, Punjab, India.
| | - Nitika Sandhu
- School of Agricultural Biotechnology, College of Agriculture, Punjab Agricultural University, Ludhiana, Pincode:141004, Punjab, India
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5
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El-Sawy YNA, Abdel-Salam AB, Abd-Elhady HM, Abou-Taleb KAA, Ahmed RF. Elimination of detached Listeria monocytogenes from the biofilm on stainless steel surfaces during milk and cheese processing using natural plant extracts. Sci Rep 2024; 14:2288. [PMID: 38280925 PMCID: PMC10821901 DOI: 10.1038/s41598-024-52394-9] [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: 08/12/2023] [Accepted: 01/18/2024] [Indexed: 01/29/2024] Open
Abstract
Bacterial cells can form biofilm on food contact surfaces, becoming a source of food contamination with profound health implications. The current study aimed to determine some Egyptian medicinal plants antibacterial and antibiofilm effects against foodborne bacterial strains in milk plants. Results indicated that four ethanolic plant extracts, Cinnamon (Cinnamomum verum), Chamomile (Matricaria chamomilla), Marigold (Calendula officinalis), and Sage (Salvia officinalis), had antibacterial (12.0-26.5 mm of inhibition zone diameter) and antibiofilm (10-99%) activities against Staphylococcus aureus, Bacillus cereus, Listeria monocytogenes and Salmonella Typhimurium. The tested extracts had minimum inhibitory concentration values between 0.14 and 2.50 mg/ml and minimum bactericidal concentration values between 0.14 and 12.50 mg/ml. L. monocytogenes was more sensitive for all tested ethanolic extracts; Sage and Cinnamon showed a bacteriocidal effect, while Chamomile and Marigold were bacteriostatic. The ethanolic extracts mixture from Chamomile, Sage, and Cinnamon was chosen for its antibiofilm activity against L. monocytogenes using L-optimal mixture design. Gas chromatography and mass spectrometry analysis showed that this mixture contained 12 chemical compounds, where 2-Propenal,3-phenyl- had the maximum area % (34.82%). At concentrations up to 500 µg/ml, it had no cytotoxicity in the normal Vero cell line, and the IC50 value was 671.76 ± 9.03 µg/ml. Also, this mixture showed the most significant antibacterial effect against detached L. monocytogenes cells from formed biofilm in stainless steel milk tanks. At the same time, white soft cheese fortified with this mixture was significantly accepted overall for the panelist (92.2 ± 2.7) than other cheese samples, including the control group.
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Affiliation(s)
- Yasmine N A El-Sawy
- Agricultural Microbiology Department, Faculty of Agriculture, Ain Shams University, Hadayek Shubra, Cairo, 11241, Egypt
| | - Ayah B Abdel-Salam
- Food Hygiene and Control Department, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Hemmat M Abd-Elhady
- Agricultural Microbiology Department, Faculty of Agriculture, Ain Shams University, Hadayek Shubra, Cairo, 11241, Egypt
| | - Khadiga A A Abou-Taleb
- Agricultural Microbiology Department, Faculty of Agriculture, Ain Shams University, Hadayek Shubra, Cairo, 11241, Egypt.
| | - Rania F Ahmed
- Agricultural Microbiology Department, Faculty of Agriculture, Ain Shams University, Hadayek Shubra, Cairo, 11241, Egypt
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Ušjak L, Stojković D, Carević T, Milutinović V, Soković M, Niketić M, Petrović S. Chemical Analysis and Investigation of Antimicrobial and Antibiofilm Activities of Prangos trifida (Apiaceae). Antibiotics (Basel) 2024; 13:41. [PMID: 38247600 PMCID: PMC10812483 DOI: 10.3390/antibiotics13010041] [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: 11/09/2023] [Revised: 12/29/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024] Open
Abstract
Plants of the genus Prangos are intensively investigated as potential new sources of bioactive isolated products. In this work, the chemical composition of volatile constituents (essential oils and headspace volatiles) and dichloromethane extracts, as well as antimicrobial and antibiofilm activities of essential oils and MFDEs (methanol fractions of dichloromethane extracts) of Prangos trifida from Serbia, were investigated. Volatiles of roots, leaves, stems and fruits, and fatty acids and phytosterols in dichloromethane extracts of roots and fruits were analyzed by GC-FID-MS, whereas coumarins in MFDEs by LC-MS and some isolated coumarins by 1H-NMR. Minimum inhibitory concentrations (MICs) and minimum bactericidal concentrations/minimum fungicidal concentrations (MBCs/MFCs) of essential oils and MFDEs were determined against 13 microorganisms. Antibiofilm activity was assessed against four microorganisms. Additionally, congo red and ergosterol binding assays were conducted to elucidate selected mechanisms of antibiofilm action in the case of Candida albicans. Total of 52 volatile constituents, 16 fatty acids, eight phytosterols and 10 coumarins were identified. Essential oils demonstrated significant activity, surpassing that of commercial food preservatives, against six tested molds from the Aspergillus, Penicillium and Trichoderma genera, as well as against bacteria Staphylococcus aureus and Bacillus cereus. Most of the oils strongly inhibited the formation of biofilms by S. aureus, Listeria monocytogenes and Escherichia coli. MFDEs exhibited noteworthy effects against B. cereus and the tested Aspergillus species, particularly A. niger, and significantly inhibited C. albicans biofilm formation. This inhibition was linked to a marked reduction in exopolysaccharide production, while antifungal mechanisms associated with ergosterol remained unaffected.
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Affiliation(s)
- Ljuboš Ušjak
- Department of Pharmacognosy, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (L.U.); (V.M.)
| | - Dejan Stojković
- Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”-National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia; (T.C.); (M.S.)
| | - Tamara Carević
- Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”-National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia; (T.C.); (M.S.)
| | - Violeta Milutinović
- Department of Pharmacognosy, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (L.U.); (V.M.)
| | - Marina Soković
- Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”-National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia; (T.C.); (M.S.)
| | - Marjan Niketić
- Natural History Museum, Njegoševa 51, 11000 Belgrade, Serbia;
- Serbian Academy of Sciences and Arts, Kneza Mihaila 35/II, 11000 Belgrade, Serbia
| | - Silvana Petrović
- Department of Pharmacognosy, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (L.U.); (V.M.)
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7
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Pan D, Ma J, Diao J, Li J, Chen H. Effects of eugenol on the structure and gelling properties of myofibrillar proteins under hydroxyl radical-induced oxidative stress. Food Chem X 2023; 20:100946. [PMID: 38144764 PMCID: PMC10740110 DOI: 10.1016/j.fochx.2023.100946] [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] [Received: 07/30/2023] [Revised: 10/05/2023] [Accepted: 10/13/2023] [Indexed: 12/26/2023] Open
Abstract
The effects of eugenol (EG; 0, 5, 20, and 50 mg/g protein) on the structure and gel properties of pork myofibrillar protein (MPs) under a hydroxyl radical-generating system were explored in this study. The results revealed that the addition of a high concentration of EG (50 mg/g protein) markedly reduced the carbonyl content and enhanced the fluorescence intensity, surface hydrophobicity, and protected the secondary structure of MPs, compared to oxidized MPs. In addition, the high concentration group noticeably increased the storage modulus (G'), gel strength, and water-holding capacity (WHC), and significantly hindered the oxidation-induced transformation of immobilized water of the MPs gel to free water and basically favored the formation of a finer and more homogeneous three-dimensional network structure, This work verified that the adding of EG could effectively improve the gel quality of oxidized MPs and more successfully delay oxidation-induced damage to muscle protein structure.
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Affiliation(s)
- Deyin Pan
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
- Heilongjiang Food and Biotechnology Innovation and Research Center (International Cooperation), Daqing, HeilongJiang 163319, China
| | - Jinming Ma
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
- Heilongjiang Food and Biotechnology Innovation and Research Center (International Cooperation), Daqing, HeilongJiang 163319, China
| | - Jingjing Diao
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
- Heilongjiang Food and Biotechnology Innovation and Research Center (International Cooperation), Daqing, HeilongJiang 163319, China
| | - Jiaqi Li
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
- Heilongjiang Food and Biotechnology Innovation and Research Center (International Cooperation), Daqing, HeilongJiang 163319, China
| | - Hongsheng Chen
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
- Heilongjiang Food and Biotechnology Innovation and Research Center (International Cooperation), Daqing, HeilongJiang 163319, China
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8
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Khan MA, Celik I, Khan HM, Shahid M, Shahzad A, Kumar S, Ahmed B. Antibiofilm and anti-quorum sensing activity of Psidium guajava L. leaf extract: In vitro and in silico approach. PLoS One 2023; 18:e0295524. [PMID: 38113217 PMCID: PMC10729950 DOI: 10.1371/journal.pone.0295524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 11/21/2023] [Indexed: 12/21/2023] Open
Abstract
The quorum sensing mechanism relies on the detection and response to chemical signals, termed autoinducers, which regulate the synthesis of virulence factors including toxins, enzymes, and biofilms. Emerging therapeutic strategies for infection control encompass approaches that attenuate quorum-sensing systems. In this study, we evaluated the antibacterial, anti-quorum sensing, and anti-biofilm activities of Psidium guajava L. methanolic leaf extracts (PGME). Minimum Inhibitory Concentrations (MICs) of PGME were determined as 500 μg/ml for C. violaceum and 1000 μg/ml for P. aeruginosa PAO1. Significantly, even at sub-MIC concentrations, PGME exhibited noteworthy anti-quorum sensing properties, as evidenced by concentration-dependent inhibition of pigment production in C. violaceum 12742. Furthermore, PGME effectively suppressed quorum-sensing controlled virulence factors in P. aeruginosa PAO1, including biofilm formation, pyoverdin, pyocyanin, and rhamnolipid production, with concentration-dependent inhibitory effects. Phytochemical analysis utilizing GC-MS revealed the presence of compounds such as alpha-copaene, caryophyllene, and nerolidol. In-silico docking studies indicated a plausible mechanism for the observed anti-quorum sensing activity, involving favorable binding and interactions with QS-receptors, including RhlR, CviR', LasI, and LasR proteins. These interactions were found to potentially disrupt QS pathways through suppression of AHL production and receptor protein blockade. Collectively, our findings propose PGME as a promising candidate for the treatment of bacterial infections. Its attributes that mitigate biofilm development and impede quorum-sensing mechanisms highlight its potential therapeutic value.
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Affiliation(s)
- Mo Ahamad Khan
- Department of Microbiology, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Ismail Celik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Haris M. Khan
- Department of Microbiology, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Mohammad Shahid
- Department of Microbiology, Immunology and Infectious Diseases, College of Medicine and Medical Science, Arabian Gulf University, Manama, Kingdom of Bahrain
| | - Anwar Shahzad
- Department of Botany, Faculty of Life Science, Aligarh Muslim University, Aligarh, India
| | - Sachin Kumar
- Department of Microbiology, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Bilal Ahmed
- Agricultural and Biological Engineering, Purdue University, West Lafayette, IN, United States of America
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9
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Putta CL, Rahman SNR, Chakraborty P, Shunmugaperumal T. Development, systematic optimisation and biofilm disruption activity of eugenol-based nanosized emulsions stabilised with Tween 80. J Microencapsul 2023; 40:517-533. [PMID: 37526405 DOI: 10.1080/02652048.2023.2244094] [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: 01/14/2023] [Accepted: 07/17/2023] [Indexed: 08/02/2023]
Abstract
The aims of this study were to systematically optimise a formula for eugenol emulsions via face-centered central composite design and to assess the activity against two-different bacterial strains (Staphylococcus aureus and Propionibacterium acnes) present at planktonic and biofilm forms. The molecular interaction of excipients, mean particle size (MPS) including zeta potential (ZP), drug entrapment efficiency (DEE) and in vitro drug release of optimised emulsions was done using FT-IR, Malvern Zetasizer, ultracentrifugation technique and membrane-free dissolution model, respectively. The emulsions consisted of 151.3 ± 1.45 nm MPS, -21.3 ± 1.25 mV ZP and 93.98 ± 1.41% DEE values. On storage of emulsions at 25 °C for 3 months, the value of DEE was found to be 72.12 ± 2.82%. The Tween 80 emulsifier film coverage onto the dispersed eugenol droplets of emulsions delayed significantly the drug release (12%-19%) compared to the drug release occurred from pure eugenol. The treatment of planktonic S. aureus and P. acnes with diluted eugenol emulsions showed the minimum inhibitory concentration and minimum bactericidal concentration values at 1.25-2.5 mg/ml whereas it occurred at 10 mg/ml for pure eugenol. Treating the biofilms with eugenol emulsions (1-2 mg/ml) yielded 59-70% minimum biofilm eradication concentration but 10 mg/ml pure eugenol showed 60%. Hence, the eugenol emulsions displayed antibacterial activity and could be projected as an antibiofilm or biofilm disruption agent.
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Affiliation(s)
- Chandra Lekha Putta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Sangareddy, India
| | - Syed Nazrin Ruhina Rahman
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
| | - Payel Chakraborty
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
| | - Tamilvanan Shunmugaperumal
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Guwahati, Sila Katamur (Halugurisuk), Changsari, India
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10
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Ban GH, Kim SH, Kang DH, Park SH. Comparison of the efficacy of physical and chemical strategies for the inactivation of biofilm cells of foodborne pathogens. Food Sci Biotechnol 2023; 32:1679-1702. [PMID: 37780592 PMCID: PMC10533464 DOI: 10.1007/s10068-023-01312-2] [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: 01/15/2023] [Revised: 04/03/2023] [Accepted: 04/13/2023] [Indexed: 10/03/2023] Open
Abstract
Biofilm formation is a strategy in which microorganisms generate a matrix of extracellular polymeric substances to increase survival under harsh conditions. The efficacy of sanitization processes is lowered when biofilms form, in particular on industrial devices. While various traditional and emerging technologies have been explored for the eradication of biofilms, cell resistance under a range of environmental conditions renders evaluation of the efficacy of control challenging. This review aimed to: (1) classify biofilm control measures into chemical, physical, and combination methods, (2) discuss mechanisms underlying inactivation by each method, and (3) summarize the reduction of biofilm cells after each treatment. The review is expected to be useful for future experimental studies and help to guide the establishment of biofilm control strategies in the food industry.
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Affiliation(s)
- Ga-Hee Ban
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, 03760 Republic of Korea
| | - Soo-Hwan Kim
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Research Institute of Agricultural and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
| | - Dong-Hyun Kang
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Center for Food and Bioconvergence, Research Institute of Agricultural and Life Sciences, Seoul National University, Seoul, 08826 Republic of Korea
| | - Sang-Hyun Park
- Department of Food Science and Technology, Kongju National University, Yesan, Chungnam 32439 Republic of Korea
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Batista S, Fernandez-Pittol M, Nicolás LS, Martínez D, Rubio M, Garrigo M, Vila J, Tudó G, González-Martin J. In Vitro Effect of Three-Antibiotic Combinations plus Potential Antibiofilm Agents against Biofilm-Producing Mycobacterium avium and Mycobacterium intracellulare Clinical Isolates. Antibiotics (Basel) 2023; 12:1409. [PMID: 37760706 PMCID: PMC10526108 DOI: 10.3390/antibiotics12091409] [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: 08/04/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Patients with chronic pulmonary diseases infected by Mycobacterium avium complex (MAC) often develop complications and suffer from treatment failure due to biofilm formation. There is a lack of correlation between in vitro susceptibility tests and the treatment of clinical isolates producing biofilm. We performed susceptibility tests of 10 different three-drug combinations, including two recommended in the guidelines, in biofilm forms of eight MAC clinical isolates. Biofilm developed in the eight isolates following incubation of the inoculum for 3 weeks. Then, the biofilm was treated with three-drug combinations with and without the addition of potential antibiofilm agents (PAAs). Biofilm bactericidal concentrations (BBCs) were determined using the Vizion lector system. All selected drug combinations showed synergistic activity, reducing BBC values compared to those treated with single drugs, but BBC values remained high enough to treat patients. However, with the addition of PAAs, the BBCs steadily decreased, achieving similar values to the combinations in planktonic forms and showing synergistic activity in all the combinations and in both species. In conclusion, three-drug combinations with PAAs showed synergistic activity in biofilm forms of MAC isolates. Our results suggest the need for clinical studies introducing PAAs combined with antibiotics for the treatment of patients with pulmonary diseases infected by MAC.
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Affiliation(s)
- Sara Batista
- Unitat de Microbiologia, Department de Fonaments Clínics, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, c/Casanova 143, 08036 Barcelona, Spain; (S.B.); (M.F.-P.); (J.V.)
- ISGlobal Barcelona, Institute for Global Health, c/Rosselló 132, 08036 Barcelona, Spain
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
| | - Mariana Fernandez-Pittol
- Unitat de Microbiologia, Department de Fonaments Clínics, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, c/Casanova 143, 08036 Barcelona, Spain; (S.B.); (M.F.-P.); (J.V.)
- ISGlobal Barcelona, Institute for Global Health, c/Rosselló 132, 08036 Barcelona, Spain
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
| | - Lorena San Nicolás
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
| | - Diego Martínez
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
| | - Marc Rubio
- Servei de Microbiologia, Fundació de Gestió de l’Hospital de la Santa Creu i Sant Pau, c/Sant Quintí 89, 08026 Barcelona, Spain; (M.R.); (M.G.)
- Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), c/Sant Quintí, 89, 08026 Barcelona, Spain
| | - Montserrat Garrigo
- Servei de Microbiologia, Fundació de Gestió de l’Hospital de la Santa Creu i Sant Pau, c/Sant Quintí 89, 08026 Barcelona, Spain; (M.R.); (M.G.)
- Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), c/Sant Quintí, 89, 08026 Barcelona, Spain
| | - Jordi Vila
- Unitat de Microbiologia, Department de Fonaments Clínics, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, c/Casanova 143, 08036 Barcelona, Spain; (S.B.); (M.F.-P.); (J.V.)
- ISGlobal Barcelona, Institute for Global Health, c/Rosselló 132, 08036 Barcelona, Spain
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
- CIBER of Infectious Diseases (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Griselda Tudó
- Unitat de Microbiologia, Department de Fonaments Clínics, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, c/Casanova 143, 08036 Barcelona, Spain; (S.B.); (M.F.-P.); (J.V.)
- ISGlobal Barcelona, Institute for Global Health, c/Rosselló 132, 08036 Barcelona, Spain
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
| | - Julian González-Martin
- Unitat de Microbiologia, Department de Fonaments Clínics, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, c/Casanova 143, 08036 Barcelona, Spain; (S.B.); (M.F.-P.); (J.V.)
- ISGlobal Barcelona, Institute for Global Health, c/Rosselló 132, 08036 Barcelona, Spain
- Servei de Microbiologia, CDB, Hospital Clínic de Barcelona, c/Villarroel 170, 08036 Barcelona, Spain; (L.S.N.); (D.M.)
- CIBER of Infectious Diseases (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain
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12
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Yin L, Gou Y, Dai Y, Wang T, Gu K, Tang T, Hussain S, Huang X, He C, Liang X, Shu G, Xu F, Ouyang P. Cinnamaldehyde Restores Ceftriaxone Susceptibility against Multidrug-Resistant Salmonella. Int J Mol Sci 2023; 24:ijms24119288. [PMID: 37298240 DOI: 10.3390/ijms24119288] [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: 03/28/2023] [Revised: 05/08/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
In recent years, infections caused by multidrug-resistant (MDR) bacteria have greatly threatened human health and imposed a burden on global public health. To overcome this crisis, there is an urgent need to seek effective alternatives to single antibiotic therapy to circumvent drug resistance and prevent MDR bacteria. According to previous reports, cinnamaldehyde exerts antibacterial activity against drug-resistant Salmonella spp. This study was conducted to investigate whether cinnamaldehyde has a synergistic effect on antibiotics when used in combination, we found that cinnamaldehyde enhanced the antibacterial activity of ceftriaxone sodium against MDR Salmonella in vitro by significantly reduced the expression of extended-spectrum beta-lactamase, inhibiting the development of drug resistance under ceftriaxone selective pressure in vitro, damaging the cell membrane, and affecting its basic metabolism. In addition, it restored the activity of ceftriaxone sodium against MDR Salmonella in vivo and inhibited peritonitis caused by ceftriaxone resistant strain of Salmonella in mice. Collectively, these results revealed that cinnamaldehyde can be used as a novel ceftriaxone adjuvant to prevent and treat infections caused by MDR Salmonella, mitigating the possibility of producing further mutant strains.
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Affiliation(s)
- Lizi Yin
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Yuhong Gou
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Yuyun Dai
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Tao Wang
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Kexin Gu
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Ting Tang
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Sajjad Hussain
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Xiaoli Huang
- College of Animal Science and Technology, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Changliang He
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Xiaoxia Liang
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Gang Shu
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Funeng Xu
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
| | - Ping Ouyang
- College of Veterinary Medicine, Sichuan Agriculture University, Huimin Lu 211, Chengdu 611130, China
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13
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Khan F, Tabassum N, Jeong GJ, Jung WK, Kim YM. Inhibition of Mixed Biofilms of Candida albicans and Staphylococcus aureus by β-Caryophyllene-Gold Nanoparticles. Antibiotics (Basel) 2023; 12:antibiotics12040726. [PMID: 37107087 PMCID: PMC10134979 DOI: 10.3390/antibiotics12040726] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Polymicrobial biofilms, consisting of fungal and bacterial pathogens, often contribute to the failure of antimicrobial treatment. The growing resistance of pathogenic polymicrobial biofilms to antibiotics has led to the development of alternative strategies to combat polymicrobial diseases. To this end, nanoparticles synthesized using natural molecules have received significant attention for disease treatment. Here, gold nanoparticles (AuNPs) were synthesized using β-caryophyllene, a bioactive compound isolated from various plant species. The shape, size, and zeta potential of the synthesized β-c-AuNPs were found to be non-spherical, 17.6 ± 1.2 nm, and -31.76 ± 0.73 mV, respectively. A mixed biofilm of Candida albicans and Staphylococcus aureus was used to test the efficacy of the synthesized β-c-AuNPs. The results revealed a concentration-dependent inhibition of the initial stages of formation of single-species as well as mixed biofilms. Furthermore, β-c-AuNPs also eliminated mature biofilms. Therefore, using β-c-AuNPs to inhibit biofilm and eradicate bacterial-fungal mixed biofilms represents a promising therapeutic approach for controlling polymicrobial infections.
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Affiliation(s)
- Fazlurrahman Khan
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Nazia Tabassum
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Won-Kyo Jung
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
- Major of Biomedical Engineering, Division of Smart Healthcare and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic of Korea
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
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14
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Li Z, Wu H, Liu J, Hao H, Bi J, Hou H, Zhang G. Synergistic effects of benzyl isothiocyanate and resveratrol against Listeria monocytogenes and their application in chicken meat preservation. Food Chem 2023; 419:135984. [PMID: 37044056 DOI: 10.1016/j.foodchem.2023.135984] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 04/07/2023]
Abstract
This study aimed to investigate the synergistic effects of benzyl isothiocyanate (BITC) and resveratrol (RS) on Listeria monocytogenes and their application in chicken meat preservation. BITC combined with RS (BR) significantly enhanced the antimicrobial activity and inhibited the growth of Listeria monocytogenes within 24 h compared to individual treatment, as well as suppressing bacterial swimming and swarming motility, reducing biofilm formation by 56.4%, increasing cell membrane disruption, and inducing intracellular ROS surges. Synergistic effects were associated with the inhibition of biofilm formation, cell membrane destruction, and ROS production. Biofilm removal facilitated the direct antimicrobial action of BR. RS disrupted cell membrane permeability, allowing more BITC into the cells, resulting in increased intracellular antibacterial levels, cell membrane hyperpolarization, and rapid ROS accumulation. Furthermore, BR visibly slowed the microbial growth in chicken flesh stored at 25 °C and 4 °C. Therefore, BR is expected to be a new strategy for food preservation.
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Affiliation(s)
- Zhaolun Li
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hongyan Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Jianan Liu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Hongshun Hao
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Jingran Bi
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China
| | - Hongman Hou
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China
| | - Gongliang Zhang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; Liaoning Key Lab for Aquatic Processing Quality and Safety, Dalian 116034, China.
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15
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Evangelista AG, Janotto LDS, Matté EHC, Perry CC, Ribeiro FL, Luciano FB. In vitro interaction between essential oil compounds and halquinol against zoonotic pathogenic bacteria. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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16
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Application of Eugenol in Poultry to Control Salmonella Colonization and Spread. Vet Sci 2023; 10:vetsci10020151. [PMID: 36851455 PMCID: PMC9962070 DOI: 10.3390/vetsci10020151] [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: 01/09/2023] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
The poultry sector is an essential component of agriculture that has experienced unprecedented growth during the last few decades. It is especially true for the United States, where the average intake of chicken meat increased from 10 pounds (4.5 kg) per person in 1940 to 65.2 pounds (29.6 kg) per person in 2018, while the country produced 113 billion eggs in 2019 alone. Besides providing nutrition and contributing significantly to the economy, chicken is also a natural reservoir of Salmonella, which is responsible for salmonellosis in humans, one of the significant foodborne illnesses around the globe. The increasing use of chicken manure and antibiotics increases the spread of Salmonella and selects for multi-drug resistant strains. Various plant extracts, primarily essential oils, have been investigated for their antimicrobial activities. The multiple ways through which these plant-derived compounds exert their antimicrobial effects make the development of resistance against them unlikely. Eugenol, an aromatic oil primarily found in clove and cinnamon, has shown antimicrobial activities against various pathogenic bacteria. A few reports have also highlighted the anti-Salmonella effects of eugenol in chicken, especially in reducing the colonization by Salmonella Enteritidis and Salmonella Typhimurium, the primary Salmonella species responsible for human salmonellosis. Besides limiting Salmonella infection in chicken, the supplementation of eugenol also significantly improves intestinal health, improving overall well-being. In this review, we highlight the rising incidences of salmonellosis worldwide and the factors increasing its prevalence. We then propose the usage of eugenol as a natural feed supplement for containing Salmonella in chicken.
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17
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The Use of Natural Methods to Control Foodborne Biofilms. Pathogens 2022; 12:pathogens12010045. [PMID: 36678393 PMCID: PMC9865977 DOI: 10.3390/pathogens12010045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/20/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022] Open
Abstract
Biofilms are large aggregates of various species of bacteria or other microorganisms tightly attached to surfaces through an intricate extracellular matrix. These complex microbial communities present quite the challenge in the food processing industry, as conditions such as raw meats and diverse food product content in contact with workers, drains, machinery, and ventilation systems, make for prime circumstances for contamination. Adding to the challenge is the highly resistant nature of these biofilm growths and the need to keep in mind that any antimicrobials utilized in these situations risk health implications with human consumption of the products that are being processed in these locations. For that reason, the ideal means of sanitizing areas of foodborne biofilms would be natural means. Herein, we review a series of innovative natural methods of targeting foodborne biofilms, including bacteriocins, bacteriophages, fungi, phytochemicals, plant extracts, essential oils, gaseous and aqueous control, photocatalysis, enzymatic treatments, and ultrasound mechanisms.
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18
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Gracia-Vallés N, Ruiz-Torrubia F, Mitchell SG, Nerín C, Silva F. Developing ethyl lauroyl arginate antimicrobial films to combat Listeria monocytogenes in cured ham. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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19
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Comini S, Scutera S, Sparti R, Banche G, Coppola B, Bertea CM, Bianco G, Gatti N, Cuffini AM, Palmero P, Allizond V. Combination of Poly(ε-Caprolactone) Biomaterials and Essential Oils to Achieve Anti-Bacterial and Osteo-Proliferative Properties for 3D-Scaffolds in Regenerative Medicine. Pharmaceutics 2022; 14:pharmaceutics14091873. [PMID: 36145620 PMCID: PMC9506294 DOI: 10.3390/pharmaceutics14091873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 12/13/2022] Open
Abstract
Biomedical implants, an essential part of the medical treatments, still suffer from bacterial infections that hamper patients’ recovery and lives. Antibiotics are widely used to cure those infections but brought antibiotic resistance. Essential oils (EOs) demonstrate excellent antimicrobial activity and low resistance development risk. However, EO application in medicine is still quite scarce and almost no research work considers its use in combination with bioresorbable biomaterials, such as the poly(ε-caprolactone) (PCL) polymer. This work aimed to combine the antibacterial properties of EOs and their components, particularly eugenol and cinnamon oil, against Staphylococcus aureus, S. epidermidis and Escherichia coli, with those of PCL for medical applications in which good tissue regeneration and antimicrobial effects are required. The PCL porous scaffolds, added with increasing (from 30% to 50%) concentrations of eugenol and cinnamon oil, were characterized by square-shaped macropores. Saos-2 cells’ cell viability/proliferation was hampered by 40 and 50% EO-enriched PCL, whereas no cytotoxic effect was recorded for both 30% EO-added PCL and pure-PCL. The antibacterial tests revealed the presence of a small inhibition halo around the 30% eugenol and cinnamon oil-functionalized PCL scaffolds only for staphylococci, whereas a significant decrease on both adherent and planktonic bacteria was recorded for all the three microorganisms, thus proving that, even if the EOs are only in part released by the EO-added PCL scaffolds, an anti-adhesive feature is anyway achieved. The scaffold will have the ability to support new tissue formation and simultaneously will be able to prevent post-surgical infection. This research shows the great potential in the use of EOs or their single components, at low concentrations, for biomaterial functionalization with enhanced anti-bacterial and biointegration properties.
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Affiliation(s)
- Sara Comini
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Sara Scutera
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Rosaria Sparti
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Giuliana Banche
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
- Correspondence: (G.B.); (A.M.C.); Tel.: +39-011-670-5627 (G.B.); +39-011-670-5638 (A.M.C.)
| | - Bartolomeo Coppola
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Cinzia Margherita Bertea
- Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/A, 10135 Turin, Italy
| | - Gabriele Bianco
- Microbiology and Virology Unit, Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino, Corso Bramante 88/90, 10126 Turin, Italy
| | - Noemi Gatti
- Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/A, 10135 Turin, Italy
| | - Anna Maria Cuffini
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
- Correspondence: (G.B.); (A.M.C.); Tel.: +39-011-670-5627 (G.B.); +39-011-670-5638 (A.M.C.)
| | - Paola Palmero
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Valeria Allizond
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
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20
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Terpenes Combinations Inhibit Biofilm Formation in Staphyloccocus aureus by Interfering with Initial Adhesion. Microorganisms 2022; 10:microorganisms10081527. [PMID: 36013945 PMCID: PMC9415918 DOI: 10.3390/microorganisms10081527] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/02/2022] [Accepted: 07/07/2022] [Indexed: 11/23/2022] Open
Abstract
The biofilm is a conglomerate of cells surrounded by an extracellular matrix, which contributes to the persistence of infections. The difficulty in removing the biofilm drives the research for new therapeutic options. In this work, the effect of terpenes (−)-trans-Caryophyllene, (S)-cis-Verbenol, (S)-(−)-Limonene, (R)-(+)-Limonene, and Linalool was evaluated, individually and in combinations on bacterial growth, by assay with resazurin; the formation of biofilm, by assay with violet crystal; and the expression of associated genes, by real-time PCR, in two clinical isolates of Staphyloccocus aureus, ST30-t019 and ST5-t311, responsible for more than 90% of pediatric infections by this pathogen in Paraguay. All combinations of terpenes can inhibit biofilm formation in more than 50% without affecting bacterial growth. The most effective combination was (−)-trans-Caryophyllene and Linalool at a 500 μg/mL concentration for each, with an inhibition percentage of 88%. This combination decreased the expression levels of the sdrD, spa, agr, and hld genes associated with the initial cell adhesion stage and quorum sensing. At the same time, it increased the expression levels of the cap5B and cap5C genes related to the production of capsular polysaccharides. The combinations of compounds tested are promising alternatives to inhibit biofilm formation in S. aureus.
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21
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Costa WK, de Oliveira AM, da Silva Santos IB, Guimarães Silva VB, de Aguiar JCRDOF, Navarro DMDAF, Dos Santos Correia MT, Vanusa da Silva M. Influence of seasonal variation on the chemical composition and biological activities of essential oil from Eugenia pohliana DC leaves. Chem Biodivers 2022; 19:e202200034. [PMID: 35864035 DOI: 10.1002/cbdv.202200034] [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: 01/10/2022] [Accepted: 07/20/2022] [Indexed: 11/07/2022]
Abstract
The purpose of this study was to analyse the influence of seasonal variation on the chemical composition and antimicrobial, antioxidant and cytotoxicity activities of the essential oil (EO) extracted from the leaves of Eugenia pohliana. Chemical characterisation of the samples- by gas chromatography-mass spectrometry- found 35 and 38 components for summer and winter, respectively, of the EO from E. pohliana leaves, totaling 47 different compounds. Analysis of antioxidant capacity (DPPH, ABTS and TAC) revealed that the summer EO showed greater free radical scavenging capacity than the winter. Similarly, the summer EO exhibited superior antimicrobial potential (MIC=128-512 μg/mL and MMC=128-1024 μg/mL, compared to the winter EO (128-2048 μg/mL and 256-2048 μg/mL, respectively). Results showed that both oils had a low potential to cause haemolysis. This study provides new scientific evidence on the influence of seasonality on the pharmacological properties of E. pohliana leaves and its potential for the development of herbal medicines.
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Affiliation(s)
- Wendeo Kennedy Costa
- Universidade Federal de Pernambuco, Bioquímica, Avenida Prof. Moraes Rego, 50670-420, Recife, BRAZIL
| | | | | | | | | | | | | | - Márcia Vanusa da Silva
- UFPE: Universidade Federal de Pernambuco, Bioquímica, Avenida Prof. Moraes Rego, Recife, BRAZIL
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22
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Didehdar M, Chegini Z, Tabaeian SP, Razavi S, Shariati A. Cinnamomum: The New Therapeutic Agents for Inhibition of Bacterial and Fungal Biofilm-Associated Infection. Front Cell Infect Microbiol 2022; 12:930624. [PMID: 35899044 PMCID: PMC9309250 DOI: 10.3389/fcimb.2022.930624] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Due to the potent antibacterial properties of Cinnamomum and its derivatives, particularly cinnamaldehyde, recent studies have used these compounds to inhibit the growth of the most prevalent bacterial and fungal biofilms. By inhibiting flagella protein synthesis and swarming motility, Cinnamomum could suppress bacterial attachment, colonization, and biofilm formation in an early stage. Furthermore, by downregulation of Cyclic di‐guanosine monophosphate (c‐di‐GMP), biofilm-related genes, and quorum sensing, this compound suppresses intercellular adherence and accumulation of bacterial cells in biofilm and inhibits important bacterial virulence factors. In addition, Cinnamomum could lead to preformed biofilm elimination by enhancing membrane permeability and the disruption of membrane integrity. Moreover, this substance suppresses the Candida species adherence to the oral epithelial cells, leading to the cell wall deformities, damage, and leakages of intracellular material that may contribute to the established Candida’s biofilm elimination. Therefore, by inhibiting biofilm maturation and destroying the external structure of biofilm, Cinnamomum could boost antibiotic treatment success in combination therapy. However, Cinnamomum has several disadvantages, such as poor solubility in aqueous solution, instability, and volatility; thus, the use of different drug-delivery systems may resolve these limitations and should be further considered in future investigations. Overall, Cinnamomum could be a promising agent for inhibiting microbial biofilm-associated infection and could be used as a catheter and other medical materials surface coatings to suppress biofilm formation. Nonetheless, further in vitro toxicology analysis and animal experiments are required to confirm the reported molecular antibiofilm effect of Cinnamomum and its derivative components against microbial biofilm.
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Affiliation(s)
- Mojtaba Didehdar
- Department of Medical Parasitology and Mycology, Arak University of Medical Sciences, Arak, Iran
| | - Zahra Chegini
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Seidamir Pasha Tabaeian
- Department of Internal Medicine, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Shabnam Razavi
- Microbial Biotechnology Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Aref Shariati
- Molecular and Medicine Research Center, Khomein University of Medical Sciences, Khomein, Iran
- *Correspondence: Aref Shariati,
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23
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Gürbüz M, İrem Omurtag Korkmaz B. The anti-campylobacter activity of eugenol and its potential for poultry meat safety: A review. Food Chem 2022; 394:133519. [PMID: 35749879 DOI: 10.1016/j.foodchem.2022.133519] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 11/04/2022]
Abstract
Poultry is one of the fastest growing industries due to advantages in land use, rapid production and advances in feed technology. The rising trend in the consumption of poultry meat over the last 50 years has also increased concerns about food safety. Campylobacter jejuniis the leading bacterial cause of gastroenteritis, the foremost cause of foodborne deaths. Despite significant progress in food safety methology, the genusCampylobacter remains a common foodborne pathogen in poultry. Increasing consumer demands for natural products require the discovery of new antimicrobials to ensure the safety of poultry meat. Recent studies have revealed that eugenol acts with antimicrobial activity on a wide variety of foodborne microorganisms. Eugenol is generally recognized as safe and is a promising preservative for the food industry. However, specific applications of eugenol need to be identified and validated to clarify the role of the food preservative in poultry meat safety.
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Affiliation(s)
- Murat Gürbüz
- Trakya University, Department of Nutrition and Dietetics, Edirne, Turkey.
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24
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Shi D, Shi H. Combining loop-mediated isothermal amplification and nanozyme-strip for ultrasensitive and rapid detection of viable Listeria monocytogenes cells and biofilms. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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Shi D, Shi H. The synergistic antibacterial effect and inhibition of biofilm formation of nisin in combination with terpenes against Listeria monocytogenes. Lett Appl Microbiol 2021; 75:632-642. [PMID: 34953143 DOI: 10.1111/lam.13636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/16/2021] [Accepted: 12/15/2021] [Indexed: 11/29/2022]
Abstract
This study was to investigate the synergistic antibacterial effect and inhibition of biofilm formation of nisin in combination with terpenes (carvacrol, cinnamaldehyde, citral, and thymol) against Listeria monocytogenes. The bactericidal ranking of terpenes combined with nisin was carvacrol > cinnamaldehyde, citral > thymol. The minimum inhibitory concentration assay (MIC) of nisin and carvacrol when used together were determined to be 0.1563 mg/ml + 0.0195 mg/ml (nisin at MIC/2 + carvacrol at MIC/16). The addition of nisin at MIC/2 + carvacrol at MIC/2 caused more decrease in membrane potential than carvacrol or nisin at MIC individually. The decrease rates of hlyA and plcA gene expressions caused by nisin at MIC/2 + carvacrol at MIC/2 were significantly higher than those caused by carvacrol or nisin at MIC individually (P < 0.05). Nisin combined with carvacrol showed the highest inhibition activity to formation of L. monocytogenes biofilm on stainless steel and lettuce. The inhibition effect of nisin at MIC/2 + carvacrol at MIC/16 was significantly higher than that of nisin at MIC/2 and carvacrol at MIC/16 (P < 0.05).
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Affiliation(s)
- Dongling Shi
- College of Food Science, Southwest University, Chongqing, China, 400715
| | - Hui Shi
- College of Food Science, Southwest University, Chongqing, China, 400715
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26
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Albuquerque VDQ, Soares MJC, Matos MNC, Cavalcante RMB, Guerrero JAP, Soares Rodrigues TH, Gomes GA, de Medeiros Guedes RF, Castelo-Branco DDSCM, Goes da Silva IN, Carneiro VA. Anti-Staphylococcal Activity of Cinnamomum zeylanicum Essential Oil against Planktonic and Biofilm Cells Isolated from Canine Otological Infections. Antibiotics (Basel) 2021; 11:antibiotics11010004. [PMID: 35052881 PMCID: PMC8773145 DOI: 10.3390/antibiotics11010004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/30/2021] [Accepted: 12/07/2021] [Indexed: 11/23/2022] Open
Abstract
The aim of this study was to evaluate the phytochemical profile of Cinnamomum zeylanicum essential oil (CZEO) and their antimicrobial and antibiofilm activity against Staphylococcus strains isolated from canine otitis. First, the CZEO chemical composition was determined by gas chromatography-mass spectrometry (CG-MS). External otitis samples collected from dogs were submitted to staphylococcal isolation, followed by MALDI-TOF mass spectrometry identification. The antimicrobial action was tested against the isolates using the disk-diffusion and microdilution methods. The antibiofilm activity was evaluated by CZEO-based concentrations, subMIC for biofilm formation and supraMIC against preformed biofilm, quantified by crystal violet (CV) staining and CFU counting. The chemical analysis revealed that (E)-cinnamaldehyde, eugenol and (E)-cinnamyl acetate were the main compounds in the CZEO, representing 77.42, 8.17 and 4.50%, respectively. Two strains of three different species, S. saprophyticus, S. schleiferi and S. pseudintermedius, were identified. The disk-diffusion test showed an inhibitory zone diameter, ranging from 34.0 to 49.5 mm, while the MIC and MBC values were around 500 and 1000 µg/mL. SubMIC demonstrated an inhibition on biofilm formation against 4 out the 6 strains tested. On mature biofilm, the CZEO-based supraMIC groups had slightly change on biomass, however, the biofilm cell viability decreased the CFU in 3 magnitude orders.
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Affiliation(s)
- Vinicius de Queiroz Albuquerque
- Department of Veterinary Sciences, State University of Ceará—Itaperi Campus, Fortaleza 60714-903, Brazil; (V.d.Q.A.); (I.N.G.d.S.)
| | - Maria Janeila Carvalho Soares
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA-UNINTA, Sobral 62050-100, Brazil;
| | - Maria Nágila Carneiro Matos
- Laboratory of Biofilms and Antimicrobial Agents (LaBAM), Federal University of Ceará, Sobral 62048-280, Brazil; (M.N.C.M.); (R.M.B.C.); (J.A.P.G.)
| | - Rafaela Mesquita Bastos Cavalcante
- Laboratory of Biofilms and Antimicrobial Agents (LaBAM), Federal University of Ceará, Sobral 62048-280, Brazil; (M.N.C.M.); (R.M.B.C.); (J.A.P.G.)
| | - Jesús Alberto Pérez Guerrero
- Laboratory of Biofilms and Antimicrobial Agents (LaBAM), Federal University of Ceará, Sobral 62048-280, Brazil; (M.N.C.M.); (R.M.B.C.); (J.A.P.G.)
| | | | - Geovany Amorim Gomes
- Center of Exact Science and Technology, State University of Acaraú Valley, Sobral 62040-370, Brazil; (T.H.S.R.); (G.A.G.)
| | - Rodrigo Fonseca de Medeiros Guedes
- Group of Applied Medical Microbiology, Microbiology Department, Federal University of Ceará, Fortaleza 60430-160, Brazil; (R.F.d.M.G.); (D.d.S.C.M.C.-B.)
| | | | - Isaac Neto Goes da Silva
- Department of Veterinary Sciences, State University of Ceará—Itaperi Campus, Fortaleza 60714-903, Brazil; (V.d.Q.A.); (I.N.G.d.S.)
| | - Victor Alves Carneiro
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA-UNINTA, Sobral 62050-100, Brazil;
- Laboratory of Biofilms and Antimicrobial Agents (LaBAM), Federal University of Ceará, Sobral 62048-280, Brazil; (M.N.C.M.); (R.M.B.C.); (J.A.P.G.)
- Correspondence:
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27
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Barbuddhe SB, Rawool DB, Doijad SP, Vergis J, Malik SS, Chakraborty T. Ecology of Listeria monocytogenes and Listeria species in India: the occurrence, resistance to biocides, genomic landscape and biocontrol. Environ Microbiol 2021; 24:2759-2780. [PMID: 34693631 DOI: 10.1111/1462-2920.15819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 11/28/2022]
Abstract
Listeria monocytogenes, the causative agent of listeriosis, has been implicated in increasing foodborne outbreaks worldwide. The disease is manifested in various forms ranging from severe sepsis in immune-compromised individuals, febrile gastroenteritis, still birth, abortions and meningoencephalitis. In India, data from studies on the detection and molecular epidemiological analysis of L. monocytogenes are only recently emerging. The presence of Listeria in different ecological niches has been recorded from India, including foods, soil, vegetables, mangrove swamps, seafood, freshwater fishes, clinical cases, and also insects. The organism has also been isolated from women with spontaneous abortions, miscarriage or recurrent obstetric history, aborted foetuses, animal clinical cases and wildlife samples. A novel species of Listeria has also been characterized. Listeria monocytogenes strains isolated from clinical, environmental, and foods showed biofilm-forming abilities. Listeria monocytogenes serotype 4b isolates of ST328, a predominant and unique ST observed in India, was repeatedly isolated from different sources, times, and geographical locations. Here, we reviewed the occurrence of Listeria in different sources in India, its resistance to biocides, and provide epidemiological analysis on its genomic landscape.
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Affiliation(s)
| | - Deepak Bhiwa Rawool
- ICAR- National Research Centre on Meat, Chengicherla, Hyderabad, Telangana, 500092, India
| | - Swapnil Prakash Doijad
- Institute for Medical Microbiology, Justus-Liebig University, Giessen, 35392, Germany.,German Center for Infection Research (DZIF), Giessen, 35392, Germany
| | - Jess Vergis
- Department of Veterinary Public Health, College of Veterinary and Animal Sciences, Pookode, Kerala Veterinary and Animal Sciences University, Wayanad, Kerala, 673576, India
| | - Satyaveer Singh Malik
- Division of Veterinary Public Health, ICAR- Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, 243122, India
| | - Trinad Chakraborty
- Institute for Medical Microbiology, Justus-Liebig University, Giessen, 35392, Germany.,German Center for Infection Research (DZIF), Giessen, 35392, Germany
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28
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Mevo SIU, Ashrafudoulla M, Furkanur Rahaman Mizan M, Park SH, Ha SD. Promising strategies to control persistent enemies: Some new technologies to combat biofilm in the food industry-A review. Compr Rev Food Sci Food Saf 2021; 20:5938-5964. [PMID: 34626152 DOI: 10.1111/1541-4337.12852] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 09/01/2021] [Accepted: 09/04/2021] [Indexed: 01/22/2023]
Abstract
Biofilm is an advanced form of protection that allows bacterial cells to withstand adverse environmental conditions. The complex structure of biofilm results from genetic-related mechanisms besides other factors such as bacterial morphology or substratum properties. Inhibition of biofilm formation of harmful bacteria (spoilage and pathogenic bacteria) is a critical task in the food industry because of the enhanced resistance of biofilm bacteria to stress, such as cleaning and disinfection methods traditionally used in food processing plants, and the increased food safety risks threatening consumer health caused by recurrent contamination and rapid deterioration of food by biofilm cells. Therefore, it is urgent to find methods and strategies for effectively combating bacterial biofilm formation and eradicating mature biofilms. Innovative and promising approaches to control bacteria and their biofilms are emerging. These new approaches range from methods based on natural ingredients to the use of nanoparticles. This literature review aims to describe the efficacy of these strategies and provide an overview of recent promising biofilm control technologies in the food processing sector.
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Affiliation(s)
| | - Md Ashrafudoulla
- Food Science and Technology Department, Chung-Ang University, Anseong, Republic of Korea
| | | | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Sang-Do Ha
- Food Science and Technology Department, Chung-Ang University, Anseong, Republic of Korea
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29
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Chemical Composition and Biological Activities of the Essential Oils of Chrysophyllum albidum G. Don (African Star Apple). Biochem Res Int 2021; 2021:9911713. [PMID: 34221505 PMCID: PMC8213500 DOI: 10.1155/2021/9911713] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 06/01/2021] [Indexed: 02/07/2023] Open
Abstract
The volatile compounds of the fruit and leaf essential oils of the African star fruit, Chrysophyllum albidum G. Don, were characterized by gas chromatography-mass spectrometry in this study. The antimicrobial, antibiofilm, and antioxidant activities of the essential oils were also investigated. Thirty-five and thirty-four compounds, representing 97.84% and 97.87%, were identified in the leaf and fruit essential oils, respectively. The antimicrobial activity of the oils was evaluated in vitro against eight pathogens using the broth microdilution method. The fruit essential oil exhibited broad-spectrum antimicrobial activity in the antimicrobial susceptibility test, with minimum inhibitory concentrations (MICs) ranging from 0.195 to 6.250 mg/mL, while the leaf essential oils showed antimicrobial activity with MICs in the range of 6.875–13.750 mg/mL. The antibiofilm activity was assessed via the crystal violet staining assay, with Pseudomonas aeruginosa as the model organism. The concentrations of the leaf and fruit essential oil required for half-maximal inhibition of biofilm formation (BIC50) were 6.97 ± 0.56 and 4.78 ± 0.21 mg/mL, respectively. In evaluating antioxidant activity, the total antioxidant capacity obtained from the phosphomolybdenum assay was 104.8 ± 2.4 and 101.6 ± 0.8 μg/g AAE for leaf and fruit essential oils, respectively. The IC50 values obtained from the hydrogen peroxide scavenging, 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging, and inhibition of lipid peroxidation assays were 301.8 ± 0.7 and 669.2 ± 2.1 μg/mL, 1048.0 ± 0.3 and 1454.0 ± 0.3 μg/mL, and 460.1 ± 2.7 and 457.4 ± 0.3 μg/mL for both leaf and fruit essential oils, respectively. The results obtained in this study suggest that the leaf and fruit essential oil of Chrysophyllum albidum G. Don could find potential use in the food, cosmetic, and pharmaceutical industries as preservative and pharmaceutical agents.
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30
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Somrani M, Debbabi H, Palop A. Antibacterial and antibiofilm activity of essential oil of clove against Listeria monocytogenes and Salmonella Enteritidis. FOOD SCI TECHNOL INT 2021; 28:331-339. [PMID: 33947265 DOI: 10.1177/10820132211013273] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The antibacterial and antibiofilm activity of essential oil of clove against Listeria monocytogenes and Salmonella Enteritidis were investigated. The chemical composition of the oil was characterized by gas chromatography-mass spectrometry. Stock solution of the essential oil of clove was prepared in 95% (v/v) ethanol (EOC). The antibacterial assays were performed by disk diffusion assay and minimal inhibitory concentration (MIC). The biomass of adhered cells and preformed biofilms after incubation with different concentrations of EOC was assessed by crystal violet. Eugenol was the major bioactive compound of clove essential oil, accounting for 78.85% of the total composition. The MIC values for L. monocytogenes and S. Enteritidis were 0.05 mg/ml and 0.1 mg/ml, respectively. The initial cell adhesion at MIC was inhibited by 61.8% for L. monocytogenes and 49.8% for S. Enteritidis. However, the effect of EOC was less marked on biofilm eradication than on cell adhesion. At MIC and within 1 hour of incubation with the EOC, the preformed biofilms were reduced by 30.2% and 20.3% for L. monocytogenes and S. Enteritidis, respectively. These results suggest that sanitizers based on clove essential oil could be a potential strategy to control biofilms in food-related environments.
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Affiliation(s)
- Mariem Somrani
- Departamento de Ingeniería Agronómica, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain.,Department of AgriFood Industries, UR17AGR01-PATIO, National Agronomic Institute of Tunisia, University of Carthage, Tunis, Tunisia
| | - Hajer Debbabi
- Department of AgriFood Industries, UR17AGR01-PATIO, National Agronomic Institute of Tunisia, University of Carthage, Tunis, Tunisia
| | - Alfredo Palop
- Departamento de Ingeniería Agronómica, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
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31
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Natural Plant-Derived Chemical Compounds as Listeria monocytogenes Inhibitors In Vitro and in Food Model Systems. Pathogens 2020; 10:pathogens10010012. [PMID: 33375619 PMCID: PMC7823385 DOI: 10.3390/pathogens10010012] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/07/2020] [Accepted: 12/22/2020] [Indexed: 01/08/2023] Open
Abstract
Listeria monocytogenes is a foodborne pathogen, sporadically present in various food product groups. An illness caused by the pathogen, named listeriosis, has high fatality rates. Even though L. monocytogenes is resistant to many environmental factors, e.g., low temperatures, low pH and high salinity, it is susceptible to various natural plant-derived antimicrobials (NPDA), including thymol, carvacrol, eugenol, trans-cinnamaldehyde, carvone S, linalool, citral, (E)-2-hexenal and many others. This review focuses on identifying NPDAs active against L. monocytogenes and their mechanisms of action against the pathogen, as well as on studies that showed antimicrobial action of the compounds against the pathogen in food model systems. Synergistic action of NDPA with other factors, biofilm inhibition and alternative delivery systems (encapsulation and active films) of the compounds tested against L. monocytogenes are also summarized briefly.
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32
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Papa R, Garzoli S, Vrenna G, Sabatino M, Sapienza F, Relucenti M, Donfrancesco O, Fiscarelli EV, Artini M, Selan L, Ragno R. Essential Oils Biofilm Modulation Activity, Chemical and Machine Learning Analysis. Application on Staphylococcus aureus Isolates from Cystic Fibrosis Patients. Int J Mol Sci 2020; 21:ijms21239258. [PMID: 33291608 PMCID: PMC7730550 DOI: 10.3390/ijms21239258] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 02/08/2023] Open
Abstract
Bacterial biofilm plays a pivotal role in chronic Staphylococcus aureus (S. aureus) infection and its inhibition may represent an important strategy to develop novel therapeutic agents. The scientific community is continuously searching for natural and “green alternatives” to chemotherapeutic drugs, including essential oils (EOs), assuming the latter not able to select resistant strains, likely due to their multicomponent nature and, hence, multitarget action. Here it is reported the biofilm production modulation exerted by 61 EOs, also investigated for their antibacterial activity on S. aureus strains, including reference and cystic fibrosis patients’ isolated strains. The EOs biofilm modulation was assessed by Christensen method on five S. aureus strains. Chemical composition, investigated by GC/MS analysis, of the tested EOs allowed a correlation between biofilm modulation potency and putative active components by means of machine learning algorithms application. Some EOs inhibited biofilm growth at 1.00% concentration, although lower concentrations revealed different biological profile. Experimental data led to select antibiofilm EOs based on their ability to inhibit S. aureus biofilm growth, which were characterized for their ability to alter the biofilm organization by means of SEM studies.
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Affiliation(s)
- Rosanna Papa
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (R.P.); (G.V.); (M.A.)
| | - Stefania Garzoli
- Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (S.G.); (M.S.); (F.S.)
| | - Gianluca Vrenna
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (R.P.); (G.V.); (M.A.)
| | - Manuela Sabatino
- Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (S.G.); (M.S.); (F.S.)
- Rome Center for Molecular Design, Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy
| | - Filippo Sapienza
- Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (S.G.); (M.S.); (F.S.)
- Rome Center for Molecular Design, Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy
| | - Michela Relucenti
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Sapienza University of Rome, via Alfonso Borelli 50, 00161 Rome, Italy; (M.R.); (O.D.)
| | - Orlando Donfrancesco
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Sapienza University of Rome, via Alfonso Borelli 50, 00161 Rome, Italy; (M.R.); (O.D.)
| | - Ersilia Vita Fiscarelli
- Paediatric and Laboratory Department, Children’s Hospital and Institure Research Bambino Gesù, 00165 Rome, Italy;
| | - Marco Artini
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (R.P.); (G.V.); (M.A.)
| | - Laura Selan
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (R.P.); (G.V.); (M.A.)
- Correspondence: (L.S.); (R.R.)
| | - Rino Ragno
- Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy; (S.G.); (M.S.); (F.S.)
- Rome Center for Molecular Design, Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185 Rome, Italy
- Correspondence: (L.S.); (R.R.)
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33
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Hou H, Zhang X, Zhao T, Zhou L. Effects of Origanum vulgare essential oil and its two main components, carvacrol and thymol, on the plant pathogen Botrytis cinerea. PeerJ 2020; 8:e9626. [PMID: 32864206 PMCID: PMC7430266 DOI: 10.7717/peerj.9626] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 07/08/2020] [Indexed: 12/14/2022] Open
Abstract
Background Botrytis cinerea causes serious gray mold disease in many plants. This pathogen has developed resistance to many fungicides. Thus, it has become necessary to look for new safe yet effective compounds against B. cinerea. Methods Essential oils (EOs) from 17 plant species were assayed against B. cinerea, of which Origanum vulgare essential oil (OVEO) showed strong antifungal activity, and accordingly its main components were detected by GC/MS. Further study was conducted on the effects of OVEO, carvacrol and thymol in vitro on mycelium growth and spore germination, mycelium morphology, leakages of cytoplasmic contents, mitochondrial injury and accumulation of reactive oxygen species (ROS) of B. cinerea. The control efficacies of OVEO, carvacrol and thymol on tomato gray mold were evaluated in vivo. Results Of all the 17 plant EOs tested, Cinnamomum cassia, Litsea cubeba var. formosana and O. vulgare EOs had the best inhibitory effect on B. cinerea, with 0.5 mg/mL completely inhibiting the mycelium growth of B. cinerea. Twenty-one different compounds of OVEO were identified by gas chromatography–mass spectrometry, and the main chemical components were carvacrol (89.98%), β-caryophyllene (3.34%), thymol (2.39%), α-humulene (1.38%) and 1-methyl-2-propan-2-ylbenzene isopropyl benzene (1.36%). In vitro experiment showed EC50 values of OVEO, carvacrol and thymol were 140.04, 9.09 and 21.32 μg/mL, respectively. Carvacrol and thymol completely inhibited the spore germination of B. cinerea at the concentration of 300 μg/mL while the inhibition rate of OVEO was 80.03%. EC50 of carvacrol and thymol have significantly (P < 0.05) reduced the fresh and dry weight of mycelia. The collapse and damage on B. cinerea mycelia treated with 40 μg/mL of carvacrol and thymol was examined by scanning electron microscope (SEM). Through extracellular conductivity test and fluorescence microscope observation, it was found that carvacrol and thymol led to increase the permeability of target cells, the destruction of mitochondrial membrane and ROS accumulation. In vivo conditions, 1000 μg/mL carvacrol had the best protective and therapeutic effects on tomato gray mold (77.98% and 28.04%, respectively), and the protective effect was significantly higher than that of 400 μg/mL pyrimethanil (43.15%). While the therapeutic and protective effects of 1,000 μg/mL OVEO and thymol were comparable to chemical control. Conclusions OVEO showed moderate antifungal activity, whereas its main components carvacrol and thymol have great application potential as natural fungicides or lead compounds for commercial fungicides in preventing and controlling plant diseases caused by B. cinerea.
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Affiliation(s)
- Huiyu Hou
- Henan Key Laboratory for Creation and Application of New Pesticides, Zhengzhou, Henan, China.,Henan Research Center of Green Pesticide Engineering and Technology, Zhengzhou, Henan, China.,College of Plant Protection, Henan Agricultural University, Zhengzhou, Henan, China
| | - Xueying Zhang
- Henan Key Laboratory for Creation and Application of New Pesticides, Zhengzhou, Henan, China.,Henan Research Center of Green Pesticide Engineering and Technology, Zhengzhou, Henan, China.,College of Plant Protection, Henan Agricultural University, Zhengzhou, Henan, China
| | - Te Zhao
- Henan Key Laboratory for Creation and Application of New Pesticides, Zhengzhou, Henan, China.,Henan Research Center of Green Pesticide Engineering and Technology, Zhengzhou, Henan, China.,College of Plant Protection, Henan Agricultural University, Zhengzhou, Henan, China
| | - Lin Zhou
- Henan Key Laboratory for Creation and Application of New Pesticides, Zhengzhou, Henan, China.,Henan Research Center of Green Pesticide Engineering and Technology, Zhengzhou, Henan, China.,College of Plant Protection, Henan Agricultural University, Zhengzhou, Henan, China
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