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Özsoylu D, Aliazizi F, Wagner P, Schöning MJ. Template bacteria-free fabrication of surface imprinted polymer-based biosensor for E. coli detection using photolithographic mimics: Hacking bacterial adhesion. Biosens Bioelectron 2024; 261:116491. [PMID: 38879900 DOI: 10.1016/j.bios.2024.116491] [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: 04/13/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/18/2024]
Abstract
As one class of molecular imprinted polymers (MIPs), surface imprinted polymer (SIP)-based biosensors show great potential in direct whole-bacteria detection. Micro-contact imprinting, that involves stamping the template bacteria immobilized on a substrate into a pre-polymerized polymer matrix, is the most straightforward and prominent method to obtain SIP-based biosensors. However, the major drawbacks of the method arise from the requirement for fresh template bacteria and often non-reproducible bacteria distribution on the stamp substrate. Herein, we developed a positive master stamp containing photolithographic mimics of the template bacteria (E. coli) enabling reproducible fabrication of biomimetic SIP-based biosensors without the need for the "real" bacteria cells. By using atomic force and scanning electron microscopy imaging techniques, respectively, the E. coli-capturing ability of the SIP samples was tested, and compared with non-imprinted polymer (NIP)-based samples and control SIP samples, in which the cavity geometry does not match with E. coli cells. It was revealed that the presence of the biomimetic E. coli imprints with a specifically designed geometry increases the sensor E. coli-capturing ability by an "imprinting factor" of about 3. These findings show the importance of geometry-guided physical recognition in bacterial detection using SIP-based biosensors. In addition, this imprinting strategy was employed to interdigitated electrodes and QCM (quartz crystal microbalance) chips. E. coli detection performance of the sensors was demonstrated with electrochemical impedance spectroscopy (EIS) and QCM measurements with dissipation monitoring technique (QCM-D).
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Affiliation(s)
- Dua Özsoylu
- Institute of Nano- and Biotechnologies (INB), Aachen University of Applied Sciences, Campus Jülich, 52428, Jülich, Germany
| | - Fereshteh Aliazizi
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, B-3001, Leuven, Belgium
| | - Patrick Wagner
- Department of Physics and Astronomy, Laboratory for Soft Matter and Biophysics, KU Leuven, B-3001, Leuven, Belgium
| | - Michael J Schöning
- Institute of Nano- and Biotechnologies (INB), Aachen University of Applied Sciences, Campus Jülich, 52428, Jülich, Germany; Institute of Biological Information Processing (IBI-3), Research Centre Jülich GmbH, 52425, Jülich, Germany.
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Cedeño-Muñoz JS, Aransiola SA, Reddy KV, Ranjit P, Victor-Ekwebelem MO, Oyedele OJ, Pérez-Almeida IB, Maddela NR, Rodríguez-Díaz JM. Antibiotic resistant bacteria and antibiotic resistance genes as contaminants of emerging concern: Occurrences, impacts, mitigations and future guidelines. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 952:175906. [PMID: 39226958 DOI: 10.1016/j.scitotenv.2024.175906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 08/26/2024] [Accepted: 08/28/2024] [Indexed: 09/05/2024]
Abstract
Antibiotic resistance, driven by the proliferation of antibiotic resistance genes (ARGs) and antibiotic resistance bacteria (ARBs), has emerged as a pressing global health concern. Antimicrobial resistance is exacerbated by the widespread use of antibiotics in agriculture, aquaculture, and human medicine, leading to their accumulation in various environmental compartments such as soil, water, and sediments. The presence of ARGs in the environment, particularly in municipal water, animal husbandry, and hospital environments, poses significant risks to human health, as they can be transferred to potential human pathogens. Current remediation strategies, including the use of pyroligneous acid, coagulants, advanced oxidation, and bioelectrochemical systems, have shown promising results in reducing ARGs and ARBs from soil and water. However, these methods come with their own set of challenges, such as the need for elevated base levels in UV-activated persulfate and the long residence period required for photocatalysts. The future of combating antibiotic resistance lies in the development of standardized monitoring techniques, global collaboration, and the exploration of innovative remediation methods. Emphasis on combination therapies, advanced oxidation processes, and monitoring horizontal gene transfer can pave the way for a comprehensive approach to mitigate the spread of antibiotic resistance in the environment.
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Affiliation(s)
- Jeffrey Saúl Cedeño-Muñoz
- Departamento de Procesos Químicos, Biotecnología y Alimentos, Facultad de Ingenierías y Ciencias Aplicadas, Universidad Técnica de Manabí, Portoviejo, Ecuador
| | - Sesan Abiodun Aransiola
- Department of Microbiology, Faculty of Science, University of Abuja, PMB 117, Abuja, Nigeria
| | - Kondakindi Venkateswar Reddy
- Center for Biotechnology, University College of Engineering Science and Technology, Hyderabad, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad 500085, Telangana, India
| | - Pabbati Ranjit
- Center for Biotechnology, University College of Engineering Science and Technology, Hyderabad, Jawaharlal Nehru Technological University Hyderabad, Kukatpally, Hyderabad 500085, Telangana, India
| | | | - Olusegun Julius Oyedele
- Bioresources Development Centre, National Biotechnology Development Agency, Ogbomoso, Nigeria
| | - Iris B Pérez-Almeida
- Center for Sustainable Development Studies (CEDS), Ecotec University, Samborondón, Ecuador.
| | - Naga Raju Maddela
- Departamento de Ciencias Biológicas, Facultad de Ciencias de la Salud, Universidad Técnica de Manabí, Portoviejo 130105, Ecuador.
| | - Joan Manuel Rodríguez-Díaz
- Departamento de Procesos Químicos, Biotecnología y Alimentos, Facultad de Ingenierías y Ciencias Aplicadas, Universidad Técnica de Manabí, Portoviejo, Ecuador.
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3
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Poscente V, Di Gregorio L, Costanzo M, Bernini R, Bevivino A. Flow cytometry: Unravelling the real antimicrobial and antibiofilm efficacy of natural bioactive compounds. J Microbiol Methods 2024; 222:106956. [PMID: 38759758 DOI: 10.1016/j.mimet.2024.106956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/14/2024] [Accepted: 05/14/2024] [Indexed: 05/19/2024]
Abstract
Flow cytometry (FCM) provides unique information on bacterial viability and physiology, allowing a real-time early warning antimicrobial and antibiofilm monitoring system for preventing the spread risk of foodborne disease. The present work used a combined culture-based and FCM approach to assess the in vitro efficacy of essential oils (EOs) from condiment plants commonly used in Mediterranean Europe (i.e., thyme EO, oregano EO, basil EO, and lemon EO) against planktonic and sessile cells of food-pathogenic Listeria monocytogenes 56 LY, and contaminant and alterative species Escherichia coli ATCC 25922 and Pseudomonas fluorescens ATCC 13525. Evaluation of the bacterial response to the increasing concentrations of natural compounds posed FCM as a crucial technique for the quantification of the live/dead, and viable but non-culturable (VBNC) cells when antimicrobial agents exert no real bactericidal action. Furthermore, the FCM results displayed higher numbers of viable bacteria expressed as Active Fluorescent Units (AFUs) with a greater level of repeatability compared with outcomes of the plate-count method. Overall, accurate counting of viable microbial cells is a critically important parameter in food microbiology, and flow cytometry provides an innovative approach with high-throughput potential for applications in the food industry as "flow microbiology".
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Affiliation(s)
- Valeria Poscente
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, 00123 Rome, Italy; Department of Agriculture and Forest Sciences, University of Tuscia, 01100 Viterbo, Italy
| | - Luciana Di Gregorio
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, 00123 Rome, Italy.
| | - Manuela Costanzo
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, 00123 Rome, Italy
| | - Roberta Bernini
- Department of Agriculture and Forest Sciences, University of Tuscia, 01100 Viterbo, Italy
| | - Annamaria Bevivino
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, 00123 Rome, Italy
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Marutescu LG. Current and Future Flow Cytometry Applications Contributing to Antimicrobial Resistance Control. Microorganisms 2023; 11:1300. [PMID: 37317273 DOI: 10.3390/microorganisms11051300] [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: 04/04/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 06/16/2023] Open
Abstract
Antimicrobial resistance is a global threat to human health and welfare, food safety, and environmental health. The rapid detection and quantification of antimicrobial resistance are important for both infectious disease control and public health threat assessment. Technologies such as flow cytometry can provide clinicians with the early information, they need for appropriate antibiotic treatment. At the same time, cytometry platforms facilitate the measurement of antibiotic-resistant bacteria in environments impacted by human activities, enabling assessment of their impact on watersheds and soils. This review focuses on the latest applications of flow cytometry for the detection of pathogens and antibiotic-resistant bacteria in both clinical and environmental samples. Novel antimicrobial susceptibility testing frameworks embedding flow cytometry assays can contribute to the implementation of global antimicrobial resistance surveillance systems that are needed for science-based decisions and actions.
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Affiliation(s)
- Luminita Gabriela Marutescu
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania
- Research Institute of the University of Bucharest, 050095 Bucharest, Romania
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Scott LC, Aubee A, Wilson MJ, Esser S, Descamps D, Lee N, Distler E, Aw TG. Leave No Trace? Ecological and anthropogenic determinants of antibiotic resistant bacteria in a recreational alpine environment. ENVIRONMENTAL RESEARCH 2023; 216:114617. [PMID: 36273598 DOI: 10.1016/j.envres.2022.114617] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 10/05/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Antibiotic resistant bacteria (ARB) have been detected in remote environments, but the degree to which their presence is due to anthropogenic contamination remains unclear. Here, anthropogenic and ecological determinants of ARB were characterized in remote and highly visited areas of Rocky Mountain National Park in the United States. Soil and water samples were collected from 29 sites once a month for three months and measured for bacteria resistant to seven antibiotics with flow cytometry. A novel index of the likelihood of human presence (HPI) was generated for estimating human impact on ARB abundance. The HPI accounted for 44% of variation in ARB abundance in water samples (p < 0.0001) and 51% of variation in soil samples (p < 0.00001). Human presence index was illustrated as a reliable predictor of ARB abundance despite a tendency to underpredict at higher levels of human impact. Ecological determinants such as temperature, elevation, slope, and aspect were also found to be significantly associated with ARB abundance. These findings suggest that human presence drives the abundance of ARB in Rocky Mountain National Park, but ecological variables play a significant role in their presence and dispersal.
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Affiliation(s)
- Laura C Scott
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA.
| | - Alexandra Aubee
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA
| | - Mark J Wilson
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA
| | - Scott Esser
- Continental Divide Research Learning Center, Rocky Mountain National Park, National Park Service, Estes Park, CO, 80517, USA
| | - Denisse Descamps
- Tulane University School of Public Health and Tropical Medicine, Department of Epidemiology, New Orleans, LA, 70112, USA
| | - Nicholas Lee
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA
| | - Emiko Distler
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA
| | - Tiong Gim Aw
- Tulane University School of Public Health and Tropical Medicine, Department of Environmental Health Sciences, New Orleans, LA, 70112, USA.
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Tariq H, Noreen Z, Ahmad A, Khan L, Ali M, Malik M, Javed A, Rasheed F, Fatima A, Kocagoz T, Sezerman U, Bokhari H. Colibactin possessing E. coli isolates in association with colorectal cancer and their genetic diversity among Pakistani population. PLoS One 2022; 17:e0262662. [PMID: 36367873 PMCID: PMC9651576 DOI: 10.1371/journal.pone.0262662] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 01/04/2022] [Indexed: 11/13/2022] Open
Abstract
Colorectal cancer (CRC) is the third most prevalent cause of tumorigenesis and several pathogenic bacteria have been correlated with aggressive cases of cancer i.e., genotoxin (colibactin) producing Escherichia coli (E. coli). This study was designed to investigate the genetic diversity of clb+clb+E. coli strains and their association with CRC. Pathogenic E. coli isolates from colorectal biopsies were characterized based on phylotypes, antibiotic resistance pattern, and (Enterobacterial Repetitive Intergenic Consensus Sequence-based Polymerase Chain Reaction) ERIC-PCR. Furthermore, isolates were screened for the presence of the Pks (polyketide synthase) Island specifically targeting colibactin genes A and Q. The selective clb+clb+ isolates were subjected to cytotoxicity assay using Human embryonic kidney (HEK) cell lines. We revealed that 43.47% of the cancer-associated E. coli isolates were from phylogroup B2 comparatively more pathogenic than rest while in the case of healthy controls no isolate was found from B2. Moreover, 90% were found positive for colibactin and pks (polyketide synthase) island, while none of the healthy controls were found positive for colibactin genes. All healthy and cancer-associated isolates were tested against 15 antibiotic agents, we observed that cancer-associated isolates showed a wide range of resistance from 96% against Nalidixic acid to 48% against Doxycycline. Moreover, E. coli isolates were further genotyped using ERIC-PCR, and selected clb+clb+E. coli isolates were subjected to cytotoxicity assay. We recorded the significant cytotoxic activity of clb+clb+ E. coli phylogroup B2 isolates that might have contributed towards the progression of CRC or dysbiosis of healthy gut microbiota protecting against CRC pathogenesis. Our results revealed a significant p<0.023 association of dietary habits and hygiene p<0.001with CRC. This is the first study to report the prevalence of E. coli phylogroups and the role of colibactin most virulent phylogroup B2 among Pakistani individuals from low socioeconomic setup.
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Affiliation(s)
- Habiba Tariq
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Zobia Noreen
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Aftab Ahmad
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
- Department of Microbiology, Kohsar University Murree, Punjab, Pakistan
| | - Laraib Khan
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Mashhood Ali
- Department of Gastroenterology, Pakistan Institute of Medical Sciences (PIMS), Islamabad, Pakistan
| | - Muhammad Malik
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Aneela Javed
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Science and Technology (NUST), Islamabad, Pakistan
| | - Faisal Rasheed
- Department of Microbiology, Quaid-e-Azam University, Islamabad, Pakistan
| | - Alina Fatima
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
| | - Tanil Kocagoz
- Department of Medical Microbiology, Acibadem University, Istanbul, Turkey
| | - Ugur Sezerman
- Department of Biostatics and Medical Informatics, Acibadem University, Istanbul Turkey
| | - Habib Bokhari
- Department of Biosciences, COMSATS University, Islamabad, Pakistan
- Department of Microbiology, Kohsar University Murree, Punjab, Pakistan
- * E-mail: ,
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Aydogdu N, Ozcelikay G, Ozkan SA. Rapid and Sensitive Electrochemical Assay of Cefditoren with MWCNT/Chitosan NCs/Fe 2O 3 as a Nanosensor. MICROMACHINES 2022; 13:1348. [PMID: 36014269 PMCID: PMC9412661 DOI: 10.3390/mi13081348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
In this research, a glassy carbon electrode (GCE) modified by MWCNT/chitosan NCs/Fe2O3 was prepared for the determination of the cephalosporin antibiotic cefditoren (CFT) using adsorptive stripping differential pulse and cyclic voltammetry techniques. The effects of pH, the scan rate, the deposition potential, the accumulation time, and modification agents on the determination of CFT were analyzed. The results showed that the modified electrode significantly increased the oxidation peak current of CFT. Under optimized conditions, the MWCNT/chitosan NCs/Fe2O3/GCE nanosensor exhibited a linear response between 0.2 µM and 10 µM toward CFT. The limit of detection and quantification were determined to be 1.65 nM and 5.50 nM, respectively. Model drugs (cefdinir, cefpodoxime, cephalexin, and ceftazidime compounds) were used to enlighten the CFT oxidation mechanism. Moreover, the nanosensor was used to analyze CFT in a pharmaceutical dosage form and commercial deproteinated human serum samples. The accuracy of these methods was proven in the recovery studies, with values of 96.98 and 98.62% for the pharmaceutical dosage form and commercial deproteinated human serum sample, respectively.
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Affiliation(s)
- Nida Aydogdu
- Department of Analytical Chemistry, Faculty of Pharmacy, Afyonkarahisar Health Sciences University, Afyonkarahisar 03218, Turkey
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey
| | - Goksu Ozcelikay
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey
| | - Sibel A Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey
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Filbrun AB, Richardson JC, Khanal PC, Tzeng Y, Dickson RM. Rapid, label‐free antibiotic susceptibility determined directly from positive blood culture. Cytometry A 2022; 101:564-576. [DOI: 10.1002/cyto.a.24560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 03/19/2022] [Accepted: 04/06/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Alexandra B. Filbrun
- School of Chemistry and Biochemistry and Petit Institute of Bioengineering and Bioscience Georgia Institute of Technology Atlanta GA
| | - Joseph C. Richardson
- School of Chemistry and Biochemistry and Petit Institute of Bioengineering and Bioscience Georgia Institute of Technology Atlanta GA
| | - Prakash C. Khanal
- School of Chemistry and Biochemistry and Petit Institute of Bioengineering and Bioscience Georgia Institute of Technology Atlanta GA
| | - Yih‐Ling Tzeng
- Division of Infectious Disease, Department of Medicine Emory University School of Medicine Atlanta GA
| | - Robert M. Dickson
- School of Chemistry and Biochemistry and Petit Institute of Bioengineering and Bioscience Georgia Institute of Technology Atlanta GA
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