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Allend SO, Oliveira Garcia M, da Cunha KF, de Albernaz DTF, Panagio LA, Nakazaro G, Reis GF, Oliveira TL, Neto ACPS, Hartwig DD. The synergic and addictive activity of biogenic silver nanoparticle associated with meropenem against carbapenem-resistant Acinetobacter baumannii. J Appl Microbiol 2024; 135:lxae046. [PMID: 38383758 DOI: 10.1093/jambio/lxae046] [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: 08/15/2023] [Revised: 01/02/2024] [Accepted: 02/20/2024] [Indexed: 02/23/2024]
Abstract
AIMS Antibiotic management of infections caused by Acinetobacter baumannii often fails due to antibiotic resistance (especially to carbapenems) and biofilm-forming strains. Thus, the objective here was to evaluate in vitro the antibacterial and antibiofilm activity of biogenic silver nanoparticle (Bio-AgNP) combined with meropenem, against multidrug-resistant isolates of A. baumannii. METHODS AND RESULTS In this study, A. baumannii ATCC® 19606™ and four carbapenem-resistant A. baumannii (Ab) strains were used. The antibacterial activity of Bio-AgNP and meropenem was evaluated through broth microdilution. The effect of the Bio-AgNP association with meropenem was determined by the checkboard method. Also, the time-kill assay and the integrity of the bacterial cell membrane were evaluated. Furthermore, the antibiofilm activity of Bio-AgNP and meropenem alone and in combination was determined. Bio-AgNP has antibacterial activity with minimum inhibitory concentration (MIC) and minimum bactericidal concentration ranging from 0.46 to 1.87 μg ml-1. The combination of Bio-AgNP and meropenem showed a synergistic and additive effect against Ab strains, and Bio-AgNP was able to reduce the MIC of meropenem from 4- to 8-fold. Considering the time-kill of the cell, meropenem and Bio-AgNP when used in combination reduced bacterial load to undetectable levels within 10 min to 24 h after treatment. Protein leakage was observed in all treatments evaluated. When combined, meropenem/Bio-AgNP presents biofilm inhibition for Ab2 isolate and ATCC® 19606™, with 21% and 19%, and disrupts the biofilm from 22% to 50%, respectively. The increase in nonviable cells in the biofilm can be observed after treatment with Bio-AgNP and meropenem in carbapenem-resistant A. baumannii strains. CONCLUSIONS The combination of Bio-AgNP with meropenem can be a therapeutic option in the treatment of infections caused by carbapenem-resistant A. baumannii.
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Affiliation(s)
- Suzane Olachea Allend
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | - Marcelle Oliveira Garcia
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | - Kamila Furtado da Cunha
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | - Déborah Trota Farias de Albernaz
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | | | - Gerson Nakazaro
- Department of Microbiology, State University of Londrina, CEP 86057-970 Londrina, PR, Brazil
| | - Guilherme Fonseca Reis
- Department of Microbiology, State University of Londrina, CEP 86057-970 Londrina, PR, Brazil
| | - Thaís Larré Oliveira
- Biotechnology Nucleus, Technological Development Center, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | - Amilton Clair Pinto Seixas Neto
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
| | - Daiane Drawanz Hartwig
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, CEP 96010-900 Pelotas, RS, Brazil
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Exploring Possible Ways to Enhance the Potential and Use of Natural Products through Nanotechnology in the Battle against Biofilms of Foodborne Bacterial Pathogens. Pathogens 2023; 12:pathogens12020270. [PMID: 36839543 PMCID: PMC9967150 DOI: 10.3390/pathogens12020270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Biofilms enable pathogenic bacteria to survive in unfavorable environments. As biofilm-forming pathogens can cause rapid food spoilage and recurrent infections in humans, especially their presence in the food industry is problematic. Using chemical disinfectants in the food industry to prevent biofilm formation raises serious health concerns. Further, the ability of biofilm-forming bacterial pathogens to tolerate disinfection procedures questions the traditional treatment methods. Thus, there is a dire need for alternative treatment options targeting bacterial pathogens, especially biofilms. As clean-label products without carcinogenic and hazardous potential, natural compounds with growth and biofilm-inhibiting and biofilm-eradicating potentials have gained popularity as natural preservatives in the food industry. However, the use of these natural preservatives in the food industry is restricted by their poor availability, stability during food processing and storage. Also there is a lack of standardization, and unattractive organoleptic qualities. Nanotechnology is one way to get around these limitations and as well as the use of underutilized bioactives. The use of nanotechnology has several advantages including traversing the biofilm matrix, targeted drug delivery, controlled release, and enhanced bioavailability, bioactivity, and stability. The nanoparticles used in fabricating or encapsulating natural products are considered as an appealing antibiofilm strategy since the nanoparticles enhance the activity of the natural products against biofilms of foodborne bacterial pathogens. Hence, this literature review is intended to provide a comprehensive analysis of the current methods in nanotechnology used for natural products delivery (biofabrication, encapsulation, and nanoemulsion) and also discuss the different promising strategies employed in the recent and past to enhance the inhibition and eradication of foodborne bacterial biofilms.
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Nunes IDS, Schnorr C, Perondi D, Godinho M, Diel JC, Machado LMM, Dalla Nora FB, Silva LFO, Dotto GL. Valorization of Different Fractions from Butiá Pomace by Pyrolysis: H 2 Generation and Use of the Biochars for CO 2 Capture. Molecules 2022; 27:7515. [PMID: 36364342 PMCID: PMC9658530 DOI: 10.3390/molecules27217515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/12/2023] Open
Abstract
This work valorizes butiá pomace (Butia capitata) using pyrolysis to prepare CO2 adsorbents. Different fractions of the pomace, like fibers, endocarps, almonds, and deoiled almonds, were characterized and later pyrolyzed at 700 °C. Gas, bio-oil, and biochar fractions were collected and characterized. The results revealed that biochar, bio-oil, and gas yields depended on the type of pomace fraction (fibers, endocarps, almonds, and deoiled almonds). The higher biochar yield was obtained by endocarps (31.9%wt.). Furthermore, the gas fraction generated at 700 °C presented an H2 content higher than 80%vol regardless of the butiá fraction used as raw material. The biochars presented specific surface areas reaching 220.4 m2 g-1. Additionally, the endocarp-derived biochar presented a CO2 adsorption capacity of 66.43 mg g-1 at 25 °C and 1 bar, showing that this material could be an effective adsorbent to capture this greenhouse gas. Moreover, this capacity was maintained for 5 cycles. Biochars produced from butiá precursors without activation resulted in a higher surface area and better performance than some activated carbons reported in the literature. The results highlighted that pyrolysis could provide a green solution for butiá agro-industrial wastes, generating H2 and an adsorbent for CO2.
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Affiliation(s)
- Isaac dos S. Nunes
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Carlos Schnorr
- Department of Natural and Exact Sciences, Universidad de la Costa, CUC, Calle 58 # 55–66, Barranquilla 080002, Colombia
| | - Daniele Perondi
- Postgraduate Program in Engineering Processes and Technology, University of Caxias do Sul—UCS, Caxias do Sul 95070-560, Brazil
| | - Marcelo Godinho
- Postgraduate Program in Engineering Processes and Technology, University of Caxias do Sul—UCS, Caxias do Sul 95070-560, Brazil
| | - Julia C. Diel
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Lauren M. M. Machado
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Fabíola B. Dalla Nora
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Luis F. O. Silva
- Department of Natural and Exact Sciences, Universidad de la Costa, CUC, Calle 58 # 55–66, Barranquilla 080002, Colombia
| | - Guilherme L. Dotto
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
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Tao Q, Wu Q, Zhang Z, Liu J, Tian C, Huang Z, Malakar PK, Pan Y, Zhao Y. Meta-Analysis for the Global Prevalence of Foodborne Pathogens Exhibiting Antibiotic Resistance and Biofilm Formation. Front Microbiol 2022; 13:906490. [PMID: 35774452 PMCID: PMC9239547 DOI: 10.3389/fmicb.2022.906490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/27/2022] [Indexed: 11/30/2022] Open
Abstract
Antimicrobial-resistant (AMR) foodborne bacteria causing bacterial infections pose a serious threat to human health. In addition, the ability of some of these bacteria to form biofilms increases the threat level as treatment options may become compromised. The extent of antibiotic resistance and biofilm formation among foodborne pathogens remain uncertain globally due to the lack of systematic reviews. We performed a meta-analysis on the global prevalence of foodborne pathogens exhibiting antibiotic resistance and biofilm formation using the methodology of a Cochrane review by accessing data from the China National Knowledge Infrastructure (CNKI), PubMed, and Web of Science databases between 2010 and 2020. A random effects model of dichotomous variables consisting of antibiotic class, sample source, and foodborne pathogens was completed using data from 332 studies in 36 countries. The results indicated AMR foodborne pathogens has become a worrisome global issue. The prevalence of AMR foodborne pathogens in food samples was greater than 10% and these foodborne pathogens were most resistant to β-lactamase antibiotics with Bacillus cereus being most resistant (94%). The prevalence of AMR foodborne pathogens in human clinical specimens was greater than 19%, and the resistance of these pathogens to the antibiotic class used in this research was high. Independently, the overall biofilm formation rate of foodborne pathogenic bacteria was 90% (95% CI, 68%–96%) and a direct linear relationship between biofilm formation ability and antibiotic resistance was not established. Future investigations should document both AMR and biofilm formation of the foodborne pathogen isolated in samples. The additional information could lead to alternative strategies to reduce the burden cause by AMR foodborne pathogens.
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Affiliation(s)
- Qian Tao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Qian Wu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Zhaohuan Zhang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- *Correspondence: Zhaohuan Zhang, ;
| | - Jing Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Cuifang Tian
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Zhenhua Huang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Pradeep K. Malakar
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yingjie Pan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China
- Shanghai Engineering Research Center of Aquatic-Product Processing and Preservation, Shanghai, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China
- Shanghai Engineering Research Center of Aquatic-Product Processing and Preservation, Shanghai, China
- Yong Zhao,
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Lorini A, Damin FM, de Oliveira DN, Ramires T, Rombaldi CV, Zavareze EDR, Dias ÁRG, Godoy HT, da Silva WP, Galli V, Meinhart AD. Multivariate optimization results in an edible extract from Ilex paraguariensis unexplored residues with a high amount of phenolic compounds. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2022; 57:23-38. [PMID: 34994288 DOI: 10.1080/03601234.2021.2020530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Ilex paraguariensis A. St. Hil. plants are used for the preparation of food and drinks which are widely consumed worldwide. During the harvest season of these plants, 2-5 ton hec-1 of agricultural residue is generated, which remains underutilized. Therefore, this study aimed to obtain an edible extract with high content of bioactive compounds and antimicrobial properties from the agricultural residue of I. paraguariensis for industrial use in food applications. The extraction conditions were optimized through a multivariate experimental design using ethanol:water. The extracted compounds were characterized by HPLC-ESY-QTOF-MS. In the optimal extraction conditions, 55 compounds were extracted, including 8 compounds that were not previously reported in I. paraguariensis. The method proved to be simple, fast, economical and environmentally friendly, with the use of green solvents. This optimization allowed for the extraction of 15.07 g of phenolic compounds per 100 g of residue. The extract showed high antioxidant activity and the capacity to inhibit Staphylococcus aureus. Results indicate that it is possible to obtain an edible extract with a high content of bioactive compounds, particularly phenolic compounds, from the I. paraguariensis residue, which has high prospects for the valorization of unexplored natural resources.
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Affiliation(s)
- Alexandre Lorini
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Fernanda M Damin
- Department of Food Science, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Diogo N de Oliveira
- Department of Food Science, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Tassiana Ramires
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Cesar V Rombaldi
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Elessandra da R Zavareze
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Álvaro R G Dias
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Helena T Godoy
- Department of Food Science, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Wladimir P da Silva
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Vanessa Galli
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Adriana D Meinhart
- Department of Food Science and Agrotechnology, Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
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Mgomi FC, Yuan L, Chen CW, Zhang YS, Yang ZQ. Bacteriophages: A weapon against mixed-species biofilms in the food processing environment. J Appl Microbiol 2021; 133:2107-2121. [PMID: 34932868 DOI: 10.1111/jam.15421] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 11/18/2021] [Accepted: 12/17/2021] [Indexed: 11/28/2022]
Abstract
Mixed-species biofilms represent the most frequent actual lifestyles of microorganisms in food processing environments, and they are usually more resistant to control methods than single-species biofilms. The persistence of biofilms formed by foodborne pathogens is believed to cause serious human diseases. These challenges have encouraged researchers to search for novel, natural methods that are more effective towards mixed-species biofilms. Recently, the use of bacteriophages to control mixed-species biofilms have grown significantly in the food industry as an alternative to conventional methods. This review highlights a comprehensive introduction of mixed-species biofilms formed by foodborne pathogens and their enhanced resistance to anti-biofilm removal strategies. Additionally, several methods for controlling mixed-species biofilms briefly focused on applying bacteriophages in the food industry have also been discussed. This article concludes by suggesting that using bacteriophage, combined with other 'green' methods, could effectively control mixed-species biofilms in the food industry.
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Affiliation(s)
- Fedrick C Mgomi
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Lei Yuan
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Cao-Wei Chen
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Yuan-Song Zhang
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
| | - Zhen-Quan Yang
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225127, PR China
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Takó M, Kerekes EB, Zambrano C, Kotogán A, Papp T, Krisch J, Vágvölgyi C. Plant Phenolics and Phenolic-Enriched Extracts as Antimicrobial Agents against Food-Contaminating Microorganisms. Antioxidants (Basel) 2020; 9:E165. [PMID: 32085580 PMCID: PMC7070704 DOI: 10.3390/antiox9020165] [Citation(s) in RCA: 114] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/12/2020] [Accepted: 02/16/2020] [Indexed: 02/06/2023] Open
Abstract
Phenolic compounds and extracts with bioactive properties can be obtained from many kinds of plant materials. These natural substances have gained attention in the food research as possible growth inhibitors of foodborne pathogenic and spoilage bacteria. Many phenolic-enriched plant extracts and individual phenolics have promising anti-quorum sensing potential as well and can suppress the biofilm formation and toxin production of food-related pathogens. Various studies have shown that plant phenolics can substitute or support the activity of synthetic food preservatives and disinfectants, which, by the way, can provoke serious concerns in consumers. In this review, we will provide a brief insight into the bioactive properties, i.e., the antimicrobial, anti-quorum sensing, anti-biofilm and anti-enterotoxin activities, of plant phenolic extracts and compounds, with special attention to pathogen microorganisms that have food relation. Carbohydrase aided applications to improve the antimicrobial properties of phenolic extracts are also discussed.
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Affiliation(s)
- Miklós Takó
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
| | - Erika Beáta Kerekes
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
| | - Carolina Zambrano
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
| | - Alexandra Kotogán
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
| | - Tamás Papp
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
- MTA-SZTE “Lendület” Fungal Pathogenicity Mechanisms Research Group, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary
| | - Judit Krisch
- Institute of Food Engineering, Faculty of Engineering, University of Szeged, Mars tér 7, H-6724 Szeged, Hungary;
| | - Csaba Vágvölgyi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (E.B.K.); (C.Z.); (A.K.); (T.P.); (C.V.)
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