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Kim SH, Roy PK, Park SY. Synergistic Effects of Combined Flavourzyme and Floating Electrode-Dielectric Barrier Discharge Plasma on Reduction of Escherichia coli Biofilms in Squid ( Todarodes pacificus). Microorganisms 2024; 12:1188. [PMID: 38930569 PMCID: PMC11205502 DOI: 10.3390/microorganisms12061188] [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: 04/29/2024] [Revised: 06/04/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
This study investigated the synergistic effect of combining flavourzyme, a natural enzyme, and floating electrode-dielectric barrier discharge (FE-DBD) plasma (1.1 kV, 43 kHz, N2 1.5 m/s) treatment, a non-thermal decontamination technology, against Escherichia coli biofilms in squid. E. coli (ATCC 35150 and ATCC 14301) biofilms were formed on the surface of squid and treated with different minimum inhibitory concentrations (MICs) of flavourzyme (1/8; 31.25 μL/mL, 1/4; 62.5 μL/mL, 2/4; 125 μL/mL, and 3/4 MIC; 250 μL/mL) and FE-DBD plasma (5, 10, 30, and 60 min). Independently, flavourzyme and FE-DBD plasma treatment decreased by 0.26-1.71 and 0.19-1.03 log CFU/cm2, respectively. The most effective synergistic combination against E. coli biofilms was observed at 3/4 MIC flavourzyme + 60 min FE-DBD plasma exposure, resulting in a reduction of 1.55 log CFU/cm2. Furthermore, the combined treatment exhibited higher efficacy in E. coli biofilm inactivation in squid compared to individual treatments. The pH values of the synergistic combinations were not significantly different from those of the untreated samples. The outcomes indicate that the combined treatment with flavourzyme and FE-DBD plasma can effectively provide effective control of E. coli biofilms without causing pH changes in squid. Therefore, our study suggests a new microbial control method for microbial safety in the seafood industry.
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Affiliation(s)
| | - Pantu Kumar Roy
- Department of Seafood Science and Technology, Institute of Marine Industry, Gyeongsang National University, Tongyeong 53064, Republic of Korea;
| | - Shin Young Park
- Department of Seafood Science and Technology, Institute of Marine Industry, Gyeongsang National University, Tongyeong 53064, Republic of Korea;
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Saravanakumar K, Li Z, Kim Y, Park S, Keon K, Lee CM, Ahn G, Cho N. Fucoidan-coated cotton dressing functionalized with biomolecules capped silver nanoparticles (LB-Ag NPs-FN-OCG) for rapid healing therapy of infected wounds. ENVIRONMENTAL RESEARCH 2024; 246:118004. [PMID: 38145732 DOI: 10.1016/j.envres.2023.118004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/08/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
The colonization of pathogenic microbes poses a significant clinical barrier that hinders the physiological wound-healing process. Addressing this challenge, we developed a novel wound dressing using a modified cotton gauze dressing coated with fucoidan and functionalized with silver nanoparticles (LB-Ag NPs-FN-OCG) for the rapid treatment of infected wounds. Firstly, phytochemical-capped LB-Ag NPs were synthesized and characterized using high performance liquid chromatography (HPLC), transmission electron microscopy (TEM), and zeta potential analysis. Secondly, different concentrations of LB-Ag NPs (0.1%-1%) were functionalized into FN-OCG to identify appropriate concentrations that were non-toxic with superior antibacterial activities. Screening assays, including antibacterial, hemolysis, chick chorioallantoic membrane (CAM) assay, and cytotoxicity assay, revealed that LB-Ag NPs (0.5%)-FN-OCG were non-toxic and demonstrated greater efficiency in inhibiting bacterial pathogens (Escherichia coli, Salmonella enterica, Staphylococcus aureus, and Listeria monocytogenes) and promoting fibroblast cell (NIH3T3) migration. In vivo assays revealed that LB-Ag NPs (0.5%)-FN-OCG treatment exhibited excellent wound healing activity (99.73 ± 0.01%) compared to other treatments by inhibiting bacterial colonization, maintaining the blood parameters, developing granulation tissue, new blood vessels, and collagen deposition. Overall, this study highlights that LB-Ag NPs (0.5%)-FN-OCG serve as a antibacterial wound dressing for infected wound healing applications.
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Affiliation(s)
- Kandasamy Saravanakumar
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea.
| | - Zijun Li
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea.
| | - Yebon Kim
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea.
| | - SeonJu Park
- Seoul Metropolitan Center, Korea Basic Science Institute (KBSI), Seoul, 03759, South Korea.
| | - Kim Keon
- Department of Veterinary Internal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, 61186, South Korea.
| | - Chang-Min Lee
- Department of Veterinary Internal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, 61186, South Korea.
| | - Ginnae Ahn
- Department of Food Technology and Nutrition, Chonnam National University, Yeosu, 59626, South Korea.
| | - Namki Cho
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea.
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Memesh R, Yasir M, Ledder RG, Zowawi H, McBain AJ, Azhar EI. An update on the prevalence of colistin and carbapenem-resistant Gram-negative bacteria in aquaculture: an emerging threat to public health. J Appl Microbiol 2024; 135:lxad288. [PMID: 38059867 DOI: 10.1093/jambio/lxad288] [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: 11/28/2022] [Revised: 09/22/2023] [Accepted: 12/05/2023] [Indexed: 12/08/2023]
Abstract
Aquaculture has been recognized as a hotspot for the emergence and spread of antimicrobial resistance genes conferring resistance to clinically important antibiotics. This review gives insights into studies investigating the prevalence of colistin and carbapenem resistance (CCR) among Gram-negative bacilli in aquaculture. Overall, a high incidence of CCR has been reported in aquatic farms in several countries, with CCR being more prevalent among opportunistic human pathogens such as Acinetobacter nosocomialis, Shewanella algae, Photobacterium damselae, Vibrio spp., Aeromonas spp., as well as members of Enterobacteriaceae family. A high proportion of isolates in these studies exhibited wide-spectrum profiles of antimicrobial resistance, highlighting their multidrug-resistance properties (MDR). Several mobile colistin resistance genes (including, mcr-1, mcr-1.1, mcr-2, mcr-2.1, mcr-3, mcr-3.1, mcr-4.1, mcr-4.3, mcr-5.1, mcr-6.1, mcr-7.1, mcr-8.1, and mcr-10.1) and carbapenemase encoding genes (including, blaOXA-48, blaOXA-55, blaNDM, blaKPC, blaIMI, blaAIM, blaVIM, and blaIMP) have been detected in aquatic farms in different countries. The majority of these were carried on MDR Incompatibility (Inc) plasmids including IncA/C, and IncX4, which have been associated with a wide host range of different sources. Thus, there is a risk for the possible spread of resistance genes between fish, their environments, and humans. These findings highlight the need to monitor and regulate the usage of antimicrobials in aquaculture. A multisectoral and transdisciplinary (One Health) approach is urgently needed to reduce the spread of resistant bacteria and/or resistance genes originating in aquaculture and avoid their global reach.
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Affiliation(s)
- Roa Memesh
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Muhammad Yasir
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ruth G Ledder
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Hosam Zowawi
- College of Medicine, King Saud bin Abdul-Aziz University for Health Science (KSAU-HS), Riyadh, Saudi Arabia
- King Abdullah International Medical Research Centre (KAIMRC), Riyadh, Saudi Arabia
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Andrew J McBain
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Esam I Azhar
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Soku YK, Mohamed A, Samuel T, Dessai U, Walls I, Rockwell C, Fortenberry G, Berutti T, Nieves-Miranda S, Nawrocki EM, Fu Y, Dudley E, Mamber SW, Hicks J. A Comparative Study on Antimicrobial Resistance in Escherichia coli Isolated from Channel Catfish and Related Freshwater Fish Species. J Food Prot 2024; 87:100192. [PMID: 37949412 DOI: 10.1016/j.jfp.2023.100192] [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: 07/24/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023]
Abstract
Antimicrobial resistance (AMR) trends in 114 generic Escherichia coli isolated from channel catfish and related fish species were investigated in this study. Of these, 45 isolates were from commercial-sized channel catfish harvested from fishponds in Alabama, while 69 isolates were from Siluriformes products, accessed from the U.S. Department of Agriculture Food Safety and Inspection Service' (FSIS) National Antimicrobial Resistance Monitoring System (NARMS) program. Antibiotic susceptibility testing and whole genome sequencing were performed using the GenomeTrakr protocol. Upon analysis, the fishpond isolates showed resistance to ampicillin (44%), meropenem (7%) and azithromycin (4%). The FSIS NARMS isolates showed resistance to tetracycline (31.9%), chloramphenicol (20.3%), sulfisoxazole (17.4%), ampicillin (5.8%) and trimethoprim-sulfamethoxazole, nalidixic acid, amoxicillin-clavulanic acid, azithromycin and cefoxitin below 5% each. There was no correlation between genotypic and phenotypic resistance in the fishpond isolates, however, there was in NARMS isolates for folate pathway antagonists: Sulfisoxazole vs. sul1 and sul2 (p = 0.0042 and p < 0.0001, respectively) and trimethoprim-sulfamethoxazole vs. dfrA16 and sul1 (p = 0.0290 and p = 0.013, respectively). Furthermore, correlations were found for tetracyclines: Tetracycline vs. tet(A) and tet(B) (p < 0.0001 each), macrolides: Azithromycin vs. mph(E) and msr(E) (p = 0.0145 each), phenicols: Chloramphenicol vs. mdtM (p < 0.0001), quinolones: Nalidixic acid vs. gyrA_S83L=POINT (p = 0.0004), and β-lactams: Ampicillin vs. blaTEM-1 (p < 0.0001). Overall, we recorded differences in antimicrobial susceptibility testing profiles, phenotypic-genotypic concordance, and resistance to critically important antimicrobials, which may be a public health concern.
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Affiliation(s)
- Yesutor K Soku
- Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, USA
| | - Abdelrahman Mohamed
- Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, USA.
| | - Temesgen Samuel
- Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL, USA
| | - Uday Dessai
- Office of Public Health Science, Food Safety and Inspection Service, U.S. Department of Agriculture, Washington, DC, USA
| | - Isabel Walls
- Office of Public Health Science, Food Safety and Inspection Service, U.S. Department of Agriculture, Washington, DC, USA
| | - Catherine Rockwell
- Office of Public Health Science, Food Safety and Inspection Service, U.S. Department of Agriculture, Washington, DC, USA
| | - Gamola Fortenberry
- Office of Public Health Science, Food Safety and Inspection Service, U.S. Department of Agriculture, Washington, DC, USA
| | - Tracy Berutti
- Eastern Laboratory, Food Safety and Inspection Service, U.S. Department of Agriculture, Athens, GA, USA
| | - Sharon Nieves-Miranda
- E. coli Reference Center, Department of Food Science, Pennsylvania State University, University Park, PA, USA
| | - Erin M Nawrocki
- E. coli Reference Center, Department of Food Science, Pennsylvania State University, University Park, PA, USA
| | - Yezhi Fu
- E. coli Reference Center, Department of Food Science, Pennsylvania State University, University Park, PA, USA
| | - Edward Dudley
- E. coli Reference Center, Department of Food Science, Pennsylvania State University, University Park, PA, USA
| | - Stephen W Mamber
- Office of Planning, Analysis and Risk Management, Food Safety and Inspection Service, U.S. Department of Agriculture, USA
| | - John Hicks
- Office of Policy and Program Development, Food Safety and Inspection Service, U.S. Department of Agriculture, Washington, DC, USA
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Biswas S, Foysal MJ, Mannan A, Sharifuzzaman SM, Tanzina AY, Tanni AA, Sharmen F, Hossain MM, Chowdhury MSN, Tay ACY, Islam SMR. Microbiome pattern and diversity of an anadromous fish, hilsa shad (Tenualosa ilisha). Mol Biol Rep 2023; 51:38. [PMID: 38158480 DOI: 10.1007/s11033-023-08965-6] [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: 09/02/2023] [Accepted: 10/30/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND The host-microbe interactions are complex, dynamic and context-dependent. In this regard, migratory fish species like hilsa shad (Tenualosa ilisha), which migrates from seawater to freshwater for spawning, provides a unique system for investigating the microbiome under an additional change in fish's habitat. This work was undertaken to detect taxonomic variation of microbiome and their function in the migration of hilsa. METHODS AND RESULTS The study employed 16S rRNA amplicon-based metagenomic analysis to scrutinize bacterial diversity in hilsa gut, skin mucus and water. Thus, a total of 284 operational taxonomic units (OTUs), 9 phyla, 35 orders and 121 genera were identified in all samples. More than 60% of the identified bacteria were Proteobacteria with modest abundance (> 5%) of Firmicutes, Bacteroidetes and Actinobacteria. Leucobacter in gut and Serratia in skin mucus were the core bacterial genera, while Acinetobacter, Pseudomonas and Psychrobacter exhibited differential compositions in gut, skin mucus and water. CONCLUSIONS Representative fresh-, brackish- and seawater samples of hilsa habitats were primarily composed of Vibrio, Serratia and Psychrobacter, and their diversity in seawater was significantly higher (P < 0.05) than freshwater. Overall, salinity and water microbiota had an influence on the microbial composition of hilsa shad, contributing to host metabolism and adaptation processes. This pioneer exploration of hilsa gut and skin mucus bacteria across habitats will advance our insights into microbiome assembly in migratory fish populations.
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Affiliation(s)
- Sabuj Biswas
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | - Md Javed Foysal
- School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia
| | - Adnan Mannan
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | - S M Sharifuzzaman
- Institute of Marine Sciences, University of Chittagong, Chattogram, Bangladesh
| | - Afsana Yeasmin Tanzina
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | - Afroza Akter Tanni
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | - Farjana Sharmen
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | - Md Mobarok Hossain
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh
| | | | - Alfred Chin-Yen Tay
- Helicobacter Research Laboratory, Marshall Centre for Infectious Disease Research and Training, School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - S M Rafiqul Islam
- Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh.
- Next-generation Sequencing, Research and Innovation Laboratory Chittagong (NRICh), Disease Biology and Molecular Epidemiology (dBme) Research Group, Biotechnology Research and Innovation Centre (BRIC), Department of Genetic Engineering and Biotechnology, University of Chittagong, Chattogram, Bangladesh.
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Al-Sarawi HA, Habibi N, Uddin S, Jha AN, Al-Sarawi MA, Lyons BP. Antibiotic Resistance Mediated by Escherichia coli in Kuwait Marine Environment as Revealed through Genomic Analysis. Antibiotics (Basel) 2023; 12:1366. [PMID: 37760663 PMCID: PMC10525739 DOI: 10.3390/antibiotics12091366] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Antibiotic-resistance gene elements (ARGEs) such as antibiotic-resistance genes (ARGs), integrons, and plasmids are key to the spread of antimicrobial resistance (AMR) in marine environments. Kuwait's marine area is vulnerable to sewage contaminants introduced by numerous storm outlets and indiscriminate waste disposal near recreational beaches. Therefore, it has become a significant public health issue and warrants immediate investigation. Coliforms, especially Gram-negative Escherichia coli, have been regarded as significant indicators of recent fecal pollution and carriers of ARGEs. In this study, we applied a genome-based approach to identify ARGs' prevalence in E. coli isolated from mollusks and coastal water samples collected in a previous study. In addition, we investigated the plasmids and intl1 (class 1 integron) genes coupled with the ARGs, mediating their spread within the Kuwait marine area. Whole-genome sequencing (WGS) identified genes resistant to the drug classes of beta-lactams (blaCMY-150, blaCMY-42, blaCTX-M-15, blaDHA-1, blaMIR-1, blaOKP-B-15, blaOXA-1, blaOXA-48, blaTEM-1B, blaTEM-35), trimethoprim (dfrA14, dfrA15, dfrA16, dfrA1, dfrA5, dfrA7), fluroquinolone (oqxA, oqxB, qnrB38, qnrB4, qnrS1), aminoglycoside (aadA2, ant(3'')-Ia, aph(3'')-Ib, aph(3')-Ia, aph(6)-Id), fosfomycin (fosA7, fosA_6, fosA, fosB1), sulfonamide (sul1, sul2, sul3), tetracycline (tet-A, tet-B), and macrolide (mph-A). The MFS-type drug efflux gene mdf-A is also quite common in E. coli isolates (80%). The plasmid ColRNAI was also found to be prevalent in E. coli. The integron gene intI1 and gene cassettes (GC) were reported to be in 36% and 33%, respectively, of total E. coli isolates. A positive and significant (p < 0.001) correlation was observed between phenotypic AMR-intl1 (r = 0.311) and phenotypic AMR-GC (r = 0.188). These findings are useful for the surveillance of horizontal gene transfer of AMR in the marine environments of Kuwait.
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Affiliation(s)
- Hanan A. Al-Sarawi
- Environment Public Authority, Fourth Ring Road, Shuwaikh Industrial 70050, Kuwait
| | - Nazima Habibi
- Environment and Life Science Research Centre, Kuwait Institute for Scientific Research, Safat 13109, Kuwait;
| | - Saif Uddin
- Environment and Life Science Research Centre, Kuwait Institute for Scientific Research, Safat 13109, Kuwait;
| | - Awadhesh N. Jha
- School of Biological Sciences, Plymouth University, Drake Circus, Plymouth PL4 8AA, UK;
| | - Mohammed A. Al-Sarawi
- Department of Earth & Environmental Sciences, Kuwait University, Faculty of Science, P.O. Box 5969, Safat 13060, Kuwait;
| | - Brett P. Lyons
- Research & Monitoring Coordination Nature Conservation Department, Neom 49625, Saudi Arabia;
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Najafpour B, Pinto PIS, Sanz EC, Martinez-Blanch JF, Canario AVM, Moutou KA, Power DM. Core microbiome profiles and their modification by environmental, biological, and rearing factors in aquaculture hatcheries. MARINE POLLUTION BULLETIN 2023; 193:115218. [PMID: 37441915 DOI: 10.1016/j.marpolbul.2023.115218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 06/06/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
16S rRNA gene sequencing and bacteria- and genus-specific quantitative PCR was used to profile microbial communities and their associated functions in water, live feed (microalgae, Artemia, and rotifer), and European sea bass and gilthead sea bream larvae from hatcheries in Greece and Italy. The transfer to larvae of genus containing potential pathogens of fish was more likely with Artemia and rotifer than with microalgae or water, irrespective of geographic location. The presence of potentially pathogenic bacteria (Vibrio and Pseudoalteromonas) in the core microbiota of water, live feed, and fish larvae, the enrichment of different bacterial resistance pathways and biofilm formation, and the overall low beneficial bacteria load during larval ontogeny emphasizes the risk for disease outbreaks. The present data characterizing microbiota in commercial aquaculture hatcheries provides a baseline for the design of strategies to manage disease and to model or remediate potential adverse environmental impacts.
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Affiliation(s)
- Babak Najafpour
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, Edifício 7, 8005-139 Faro, Portugal
| | - Patricia I S Pinto
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, Edifício 7, 8005-139 Faro, Portugal
| | - Eric Climent Sanz
- ADM Biopolis, Parc Cientific Universidad De Valencia, Paterna, Spain
| | | | - Adelino V M Canario
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, Edifício 7, 8005-139 Faro, Portugal; Shanghai Ocean University International Center for Marine Studies, Shanghai, China
| | - Katerina A Moutou
- Department of Biochemistry & Biotechnology, University of Thessaly, Ploutonos 26, Larissa, Greece
| | - Deborah M Power
- CCMAR - Centre of Marine Sciences, Universidade do Algarve, Campus de Gambelas, Edifício 7, 8005-139 Faro, Portugal; Shanghai Ocean University International Center for Marine Studies, Shanghai, China.
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Kavinesan K, Sugumar G, Chrisolite B, Muthiahsethupathy A, Sudarshan S, Parthiban F, Mansoor M. Phenotypic and genotypic characterization of pathogenic Escherichia coli identified in resistance mapping of β-lactam drug-resistant isolates from seafood along Tuticorin coast. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:68111-68128. [PMID: 37120498 DOI: 10.1007/s11356-023-27008-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/10/2023] [Indexed: 05/27/2023]
Abstract
The ubiquity of pathogenic E. coli isolate possessing antimicrobial resistance was investigated in seafood samples procured from major seafood supply chain markets established for export and domestic consumption along Tuticorin coast. Out of 63 seafood samples examined, 29 (46%) were found to be contaminated by pathogenic E. coli harbouring one or more genes of virulent potential. Based on virulome profiling, 9.55% of isolates belonged to enterotoxigenic E. coli (ETEC), 8.08% to enteroaggregative E. coli (EAEC), 7.35% to enterohemorrhagic E. coli (EHEC), 2.20% to enteropathogenic E. coli (EPEC), and 2.20% to uropathogenic E. coli (UPEC). All the 34 virulome positive and haemolytic pathogenic E. coli have been serogrouped as O119, O76, O18, O134, O149, O120, O114, O25, O55, O127, O6, O78, O83, O17 and clinically significant O111, O121, O84, O26, O103, and O104 (non-O157 STEC) serotypes in this study. Multi-drug resistance (MDR) (≥ 3 antibiotic classes/sub-classes) was exhibited in 38.23% of the pathogenic E. coli, and 17.64% were extensive drug resistant (XDR). Extended spectrum of β-lactamase (ESBL) genotypes were confirmed in 32.35% isolates and 20.63% isolates harboured ampC gene. One sample (Penaeus semisulcatus) collected from landing centre (L1) harboured all ESBL genotypes blaCTX-M, blaSHV, blaTEM, and ampC genes. Hierarchical clustering of isolates revealed the separation of ESBL isolates into three clusters and non-ESBL isolates into three clusters based on phenotypic and genotypic variations. Based on dendrogram analysis on antibiotic efficacy pattern, carbapenems and β-lactam inhibitor drugs are the best available treatment for ESBL and non-ESBL infections. This study emphasizes the significance of comprehensive surveillance of pathogenic E. coli serogroups that pose serious threat to public health and compliance of AMR antimicrobial resistant genes in seafood that hinder seafood supply chain.
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Affiliation(s)
- Kumar Kavinesan
- TNJFU-Fisheries College and Research Institute, Thoothukudi, Tamil Nadu, India, 628 008
| | - Gopalrajan Sugumar
- Tamil Nadu Dr. J.Jayalalithaa Fisheries University, Nagapattinam, Tamil Nadu, India, 611 002
| | - Bagthasingh Chrisolite
- TNJFU-Fisheries College and Research Institute, Thoothukudi, Tamil Nadu, India, 628 008.
| | | | - Shanmugam Sudarshan
- TNJFU-Dr.MGR Fisheries College and Research Institute, TNJFU, Thalainayeru, Tamil Nadu, India, 614712
| | - Fathiraja Parthiban
- TNJFU-Fisheries College and Research Institute, Thoothukudi, Tamil Nadu, India, 628 008
| | - Mohamed Mansoor
- TNJFU-Fisheries College and Research Institute, Thoothukudi, Tamil Nadu, India, 628 008
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9
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Celik B, Ergul B, Kekec AI, Hala B, Maslak B, Sigirci BD, Kahraman BB, Bagcigil AF, Metiner K, Ak S. Beta-lactam, aminoglycoside, and quinolone resistance in Escherichia coli strains isolated from shrimps and mussels in the Marmara Sea. VET MED-CZECH 2023; 68:208-217. [PMID: 37982027 PMCID: PMC10581531 DOI: 10.17221/105/2022-vetmed] [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: 12/06/2022] [Accepted: 05/10/2023] [Indexed: 11/21/2023] Open
Abstract
The purpose of the study was to examine the prevalence of Escherichia coli in shrimps and mussels, and to determine the distribution of β-lactam, aminoglycoside, quinolone, and multi-drug resistance phenotypically and genotypically in E. coli isolates obtained from mussels and shrimps in Istanbul. Faecal samples were collected from mussels (n = 96) and shrimps (n = 96) from the Marmara Sea coastline and fish markets in Istanbul. For the detection of antibiotic susceptibilities, seven antibiotic groups were used. β-lactamase, aminoglycoside, and quinolone genes were also determined. A total of 34 (17.7%, 15 shrimps, and 19 mussels) E. coli were isolated, and 17 (50%) were found to be resistant to one or more antimicrobials. The highest resistance was seen against aminoglycosides with 11 isolates (32.35%), followed by quinolones with 10 isolates (29.41%) and extended-spectrum β-lactamase (ESBL) with 4 isolates (11.76%). Multi-drug resistance was detected in 5 isolates (14.7%) from 3 shrimp and 2 mussel samples. The prevalence of ESBL genes was demonstrated at 3.84% in mussels and shrimp samples. There were no AmpC and carbapenemase-producing genes. These samples harbored blaCTX-M-1 (n = 3) and blaTEM (n = 4). Ten isolates were resistant to aminoglycosides genotypically. Resistance genes detected were strB in 2 isolates, aadA in 5, strB and aadA together in 3, ANT('')-Ia, aphA1 and aphA2 simultaneously in 3, aphA1 in 1, aac(3)-IIa in 1 isolate. aac(6')-Ib-cr gene was detected in only one of 10 phenotypically resistant isolates to quinolones.
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Affiliation(s)
- Baran Celik
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Bahar Ergul
- Ambarli Veterinary Border Control Point Directorate, Republic of Turkiye Ministry of Agriculture and Forestry, Istanbul, Turkiye
| | - Ayse Ilgin Kekec
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Baris Hala
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Begum Maslak
- Institute of Graduate Studies, Istanbul University – Cerrahpasa, Avcilar/Istanbul, Turkiye
| | - Belgi Diren Sigirci
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Beren Basaran Kahraman
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Arzu Funda Bagcigil
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Kemal Metiner
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
| | - Seyyal Ak
- Department of Microbiology, Faculty of Veterinary Medicine, Istanbul University – Cerrahpasa, Buyukcekmece/Istanbul, Turkiye
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10
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Cabello FC, Millanao AR, Lozano-Muñoz I, Godfrey HP. Misunderstandings and misinterpretations: Antimicrobial use and resistance in salmon aquaculture. ENVIRONMENTAL MICROBIOLOGY REPORTS 2023. [PMID: 36934450 DOI: 10.1111/1758-2229.13147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
The exponential growth of aquaculture over the past 30 years has been accompanied by a parallel increase in the use of antimicrobials. This widespread use has had negative effects on animal, human and environmental health and affected the biodiversity of the environments where aquaculture takes place. Results showing these harmful effects have been resisted and made light of by the aquaculture industry and their scientific supporters through introduction of misunderstandings and misinterpretations of concepts developed in the evolution, genetics, and molecular epidemiology of antimicrobial resistance. We focus on a few of the most obvious scientific shortcomings and biases of two recent attempts to minimise the negative impacts of excessive antimicrobial use in Chilean salmon aquaculture on human and piscine health and on the environment. Such open debate is critical to timely implementation of effective regulation of antimicrobial usage in salmon aquaculture in Chile, if the negative local and worldwide impacts of this usage are to be avoided.
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Affiliation(s)
- Felipe C Cabello
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, New York, USA
| | - Ana R Millanao
- Instituto de Farmacia, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | - Ivonne Lozano-Muñoz
- Departamento de Producción Animal, Facultad de Ciencias Agronómicas, Universidad de Chile, Santiago, Chile
| | - Henry P Godfrey
- Department of Pathology (retired), New York Medical College, Valhalla, New York, USA
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11
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Au-Yeung C, Lam KL, Chan KW, Mo WY. Uses of Antibiotics in Ornamental Fish in Hong Kong and the Antibiotic Resistance in the Associated Zoonotic Pathogens. J Xenobiot 2022; 12:365-377. [PMID: 36547470 PMCID: PMC9783315 DOI: 10.3390/jox12040026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/20/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
The use of antibiotics in ornamental fish is not regulated, as they are not intended for human consumption. Although antibiotic resistant bacteria have been detected in ornamental fish worldwide, there have been no studies to look at the situation in Hong Kong. Therefore, the present study was conducted to investigate the use of antibiotics in ornamental fish. Ornamental fish were purchased from five local pet fish shops and the antibiotics in carriage water were quantified using liquid chromatography tandem mass spectrometry. Moreover, Aeromonas and Pseudomonas spp. present in carriage water were isolated and their minimum inhibitory concentrations against selected antibiotics were determined. Results indicated that among the twenty antibiotics screened, doxycycline (0.0155-0.0836 µg L-1), oxytetracycline (0.0102-29.0 µg L-1), tetracycline (0.0350-0.244 µg L-1), enrofloxacin (0.00107-0.247 µg L-1), and oxalinic acid (n.d.-0.514 µg L-1) were detected in all sampled shops. Additionally, MIC results revealed that some of the Aeromonas and Pseudomonas spp. isolates were highly resistant to all antibiotics selected. Our findings confirmed that multiple antibiotics are being used in ornamental fish and the associated bacteria are resistant to selected antibiotics, suggesting that this could be a significant transmission route of antibiotic resistant bacteria to household indoor environments.
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12
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Guo Y, Wu C, Sun J. Pathogenic bacteria significantly increased under oxygen depletion in coastal waters: A continuous observation in the central Bohai Sea. Front Microbiol 2022; 13:1035904. [DOI: 10.3389/fmicb.2022.1035904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 10/19/2022] [Indexed: 11/22/2022] Open
Abstract
The spread of pathogenic bacteria in coastal waters endangers the health of the local people and jeopardizes the safety of the marine environment. However, their dynamics during seasonal hypoxia in the Bohai Sea (BHS) have not been studied. Here, pathogenic bacteria were detected from the 16S rRNA gene sequencing database and were used to explore their dynamics and driving factors with the progressively deoxygenating in the BHS. Our results showed that pathogenic bacteria were detected in all samples, accounting for 0.13 to 24.65% of the total number of prokaryotic sequences in each sample. Pathogenic Proteobacteria was dominated in all samples, followed by Firmicutes, Actinobacteria, Tenericutes, and Bacteroidetes, etc. β-diversity analysis showed that pathogenic bacteria are highly temporally heterogeneous and regulated by environmental factors. According to RDA analysis, these variations may be influenced by salinity, ammonia, DO, phosphate, silicate, and Chl a. Additionally, pathogenic bacteria in surface water and hypoxia zone were found to be significantly separated in August. The vertical distribution of pathogenic bacterial communities is influenced by several variables, including DO and nutrition. It is noteworthy that the hypoxia zones increase the abundance of certain pathogenic genera, especially Vibrio and Arcobacter, and the stability of the pathogenic bacterial community increased from May to August. These phenomena indicate that the central Bohai Sea is threatened by an increasingly serious pathogenic community from May to August. And the developing hypoxia zone in the future may intensify this phenomenon and pose a more serious threat to human health. This study provides new insight into the changes of pathogenic bacteria in aquatic ecosystems and may help to make effective policies to control the spread of pathogenic bacteria.
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Abraham TJ, Qureshi QA, Bardhan A. Enteric Pathogenic and Multiple Antibiotic-Resistant Escherichia coli in Farmed Indian Major Carps and Their Environments in Peri-Urban Kolkata, India. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2022.2133585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Thangapalam Jawahar Abraham
- Department of Aquatic Animal Health, Faculty of Fishery Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Qurratul Ain Qureshi
- Department of Aquatic Animal Health, Faculty of Fishery Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Avishek Bardhan
- Department of Aquatic Animal Health, Faculty of Fishery Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata, India
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14
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On-Farm Practices Associated with Multi-Drug-Resistant Escherichia coli and Vibrio parahaemolyticus Derived from Cultured Fish. Microorganisms 2022; 10:microorganisms10081520. [PMID: 36013938 PMCID: PMC9414622 DOI: 10.3390/microorganisms10081520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 02/05/2023] Open
Abstract
Aquaculture activities have been implicated as responsible for the emergence of antimicrobial resistance (AMR), leading to broad dissemination and transference of antibiotic resistance to pathogens that affect humans and animals. The current study investigates the on-farm practices and environmental risk factors that can potentially drive the development and emergence of multi-drug-resistant (MDR) Escherichia coli and Vibrio parahaemolyticus in the aquaculture system. A cross-sectional study was conducted on 19 red hybrid tilapia (Oreochromis spp.) and 13 Asian seabass (Lates calcarifer, Bloch 1970) farms on the west coast of peninsular Malaysia. Data were collected using a structured questionnaire pertaining to farm demography, on-farm management practices and environmental characteristics. Multi-drug-resistant E. coli (n = 249) and V. parahaemolyticus (n = 162) isolates were analyzed using multi-level binary logistic regression to identify important drivers for the occurrence and proliferation of the MDR bacteria. On-farm practices such as manuring the pond (OR = 4.5; 95% CI = 1.21–16.57) were significantly associated with the occurrence of MDR E. coli, while earthen ponds (OR = 8.2; 95% CI = 1.47–45.2) and human activity adjacent to the farm (OR = 4.6; 95% CI = 0.75–27.98) were associated with an increased likelihood of MDR V. parahaemolyticus. Considering the paucity of information on the drivers of AMR in the aquaculture production in this region, these findings indicate the targeted interventions implementable at aquaculture farms to efficiently abate the risk of MDR amongst bacteria that affect fish that are of public health importance.
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15
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Tate H, Ayers S, Nyirabahizi E, Li C, Borenstein S, Young S, Rice-Trujillo C, Saint Fleurant S, Bodeis-Jones S, Li X, Tobin-D’Angelo M, Volkova V, Hardy R, Mingle L, M’ikanatha NM, Ruesch L, Whitehouse CA, Tyson GH, Strain E, McDermott PF. Prevalence of Antimicrobial Resistance in Select Bacteria From Retail Seafood-United States, 2019. Front Microbiol 2022; 13:928509. [PMID: 35814688 PMCID: PMC9262255 DOI: 10.3389/fmicb.2022.928509] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 05/23/2022] [Indexed: 11/30/2022] Open
Abstract
In 2019, the United States National Antimicrobial Resistance Monitoring System (NARMS) surveyed raw salmon, shrimp, and tilapia from retail grocery outlets in eight states to assess the prevalence of bacterial contamination and antimicrobial resistance (AMR) in the isolates. Prevalence of the targeted bacterial genera ranged among the commodities: Salmonella (0%-0.4%), Aeromonas (19%-26%), Vibrio (7%-43%), Pseudomonas aeruginosa (0.8%-2.3%), Staphylococcus (23%-30%), and Enterococcus (39%-66%). Shrimp had the highest odds (OR: 2.8, CI: 2.0-3.9) of being contaminated with at least one species of these bacteria, as were seafood sourced from Asia vs. North America (OR: 2.7; CI: 1.8-4.7) and Latin America and the Caribbean vs. North America (OR: 1.6; CI: 1.1-2.3) and seafood sold at the counter vs. sold frozen (OR: 2.1; CI: 1.6-2.9). Isolates exhibited pan-susceptibility (Salmonella and P. aeruginosa) or low prevalence of resistance (<10%) to most antimicrobials tested, with few exceptions. Seafood marketed as farm-raised had lower odds of contamination with antimicrobial resistant bacteria compared to wild-caught seafood (OR: 0.4, CI: 0.2-0.7). Antimicrobial resistance genes (ARGs) were detected for various classes of medically important antimicrobials. Clinically relevant ARGs included carbapenemases (bla IMI-2, bla NDM-1) and extended spectrum β-lactamases (ESBLs; bla CTX-M-55). This population-scale study of AMR in seafood sold in the United States provided the basis for NARMS seafood monitoring, which began in 2020.
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Affiliation(s)
- Heather Tate
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Sherry Ayers
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Epiphanie Nyirabahizi
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Cong Li
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Stacey Borenstein
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Shenia Young
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Crystal Rice-Trujillo
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Sanchez Saint Fleurant
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Sonya Bodeis-Jones
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Xunde Li
- School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Melissa Tobin-D’Angelo
- Acute Disease Epidemiology Section, Georgia Department of Public Health, Atlanta, GA, United States
| | - Victoriya Volkova
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, United States
| | - Rachel Hardy
- Missouri State Public Health Laboratory, Jefferson City, MO, United States
| | - Lisa Mingle
- Wadsworth Center Division of Infectious Diseases, New York State Department of Health, Albany, NY, United States
| | - Nkuchia M. M’ikanatha
- Division of Infectious Disease Epidemiology, Pennsylvania Department of Health, Harrisburg, PA, United States
| | - Laura Ruesch
- Animal Disease Research and Diagnostic Laboratory, Veterinary and Biomedical Sciences Department, South Dakota State University, Brookings, SD, United States
| | - Chris A. Whitehouse
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Gregory H. Tyson
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Errol Strain
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
| | - Patrick F. McDermott
- Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, United States
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16
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Delannoy S, Hoffer C, Youf R, Dauvergne E, Webb HE, Brauge T, Tran ML, Midelet G, Granier SA, Haenni M, Fach P, Brisabois A. High Throughput Screening of Antimicrobial Resistance Genes in Gram-Negative Seafood Bacteria. Microorganisms 2022; 10:microorganisms10061225. [PMID: 35744743 PMCID: PMC9230514 DOI: 10.3390/microorganisms10061225] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 01/24/2023] Open
Abstract
From a global view of antimicrobial resistance over different sectors, seafood and the marine environment are often considered as potential reservoirs of antimicrobial resistance genes (ARGs) and mobile genetic elements (MGEs); however, there are few studies and sparse results on this sector. This study aims to provide new data and insights regarding the content of resistance markers in various seafood samples and sources, and therefore the potential exposure to humans in a global One Health approach. An innovative high throughput qPCR screening was developed and validated in order to simultaneously investigate the presence of 41 ARGs and 33 MGEs including plasmid replicons, integrons, and insertion sequences in Gram-negative bacteria. Analysis of 268 seafood isolates from the bacterial microflora of cod (n = 24), shellfish (n = 66), flat fishes (n = 53), shrimp (n = 10), and horse mackerel (n = 115) show the occurrence of sul-1, ant(3″)-Ia, aph(3')-Ia, strA, strB, dfrA1, qnrA, and blaCTX-M-9 genes in Pseudomonas spp., Providencia spp., Klebsiella spp., Proteus spp., and Shewanella spp. isolates and the presence of MGEs in all bacterial species investigated. We found that the occurrence of MGE may be associated with the seafood type and the environmental, farming, and harvest conditions. Moreover, even if MGE were detected in half of the seafood isolates investigated, association with ARG was only identified for twelve isolates. The results corroborate the hypothesis that the incidence of antimicrobial-resistant bacteria (ARB) and ARG decreases with increasing distance from potential sources of fecal contamination. This unique and original high throughput micro-array designed for the screening of ARG and MGE in Gram-negative bacteria could be easily implementable for monitoring antimicrobial resistance gene markers in diverse contexts.
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Affiliation(s)
- Sabine Delannoy
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
- Correspondence:
| | - Corine Hoffer
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
| | - Raphaëlle Youf
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
| | - Emilie Dauvergne
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
| | - Hattie E. Webb
- Department of Animal and Food Sciences, International Center for Food Safety Excellence, Texas Tech University, Lubbock, TX 79409, USA;
| | - Thomas Brauge
- Bacteriology and Parasitology of Fishery and Aquaculture Products Unit, Laboratory for Food Safety, ANSES, 62200 Boulogne-sur-Mer, France; (T.B.); (G.M.)
| | - Mai-Lan Tran
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
| | - Graziella Midelet
- Bacteriology and Parasitology of Fishery and Aquaculture Products Unit, Laboratory for Food Safety, ANSES, 62200 Boulogne-sur-Mer, France; (T.B.); (G.M.)
| | - Sophie A. Granier
- Antibiotics, Biocides, Residues and Resistance Unit, Fougères Laboratory, ANSES, 35306 Fougères, France;
| | - Marisa Haenni
- Antimicrobial Resistance and Bacterial Virulence Unit, Lyon Laboratory, Université de Lyon, ANSES, 69364 Lyon, France;
| | - Patrick Fach
- COLiPATH Unit & Genomics Platform IdentyPath, Laboratory for Food Safety, ANSES, 94700 Maisons-Alfort, France; (C.H.); (R.Y.); (E.D.); (M.-L.T.); (P.F.)
| | - Anne Brisabois
- Strategy and Programs Department, ANSES, 94700 Maisons-Alfort, France;
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17
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Kusunur AB, Kuraganti GK, Mogilipuri SS, Vaiyapuri M, Narayanan SV, Badireddy MR. Multidrug resistance of
Escherichia coli
in fish supply chain: A preliminary investigation. J Food Saf 2022. [DOI: 10.1111/jfs.12972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ahamed Basha Kusunur
- ICAR‐Central Institute of Fisheries Technology Visakhapatnam Research Centre Visakhapatnam India
| | - George Kamal Kuraganti
- Department of Biotechnology, College of Science and Technology Andhra University Visakhapatnam India
| | - Shanmukha Sai Mogilipuri
- Department of Biotechnology, College of Science and Technology Andhra University Visakhapatnam India
| | - Murugadas Vaiyapuri
- ICAR‐Central Institute of Fisheries Technology Microbiology, Fermentation & Biotechnology Kochi India
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18
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Hossain A, Habibullah-Al-Mamun M, Nagano I, Masunaga S, Kitazawa D, Matsuda H. Antibiotics, antibiotic-resistant bacteria, and resistance genes in aquaculture: risks, current concern, and future thinking. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:11054-11075. [PMID: 35028843 DOI: 10.1007/s11356-021-17825-4] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/24/2021] [Indexed: 06/14/2023]
Abstract
Aquaculture is remarkably one of the most promising industries among the food-producing industries in the world. Aquaculture production as well as fish consumption per capita have been dramatically increasing over the past two decades. Shifting of culture method from semi-intensive to intensive technique and applying of antibiotics to control the disease outbreak are the major factors for the increasing trend of aquaculture production. Antibiotics are usually present at subtherapeutic levels in the aquaculture environment, which increases the selective pressure to the resistant bacteria and stimulates resistant gene transfer in the aquatic environment. It is now widely documented that antibiotic resistance genes and resistant bacteria are transported from the aquatic environment to the terrestrial environment and may pose adverse effects on human and animal health. However, data related to antibiotic usage and bacterial resistance in aquaculture is very limited or even absent in major aquaculture-producing countries. In particular, residual levels of antibiotics in fish and shellfish are not well documented. Recently, some of the countries have already decided the maximum residue levels (MRLs) of antibiotics in fish muscle or skin; however, many antibiotics are yet not to be decided. Therefore, an urgent universal effort needs to be taken to monitor antibiotic concentration and resistant bacteria particularly multiple antibiotic-resistant bacteria and to assess the associated risks in aquaculture. Finally, we suggest to take an initiative to make a uniform antibiotic registration process, to establish the MRLs for fish/shrimp and to ensure the use of only aquaculture antibiotics in fish and shellfish farming globally.
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Affiliation(s)
- Anwar Hossain
- Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Md Habibullah-Al-Mamun
- Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Ichiro Nagano
- Central Research Laboratory, Tokyo Innovation Center, Nippon Suisan Kaisha Ltd, 32-3 Nanakuni 1-Chome, Hacjioji, Tokyo, 192-0991, Japan
| | - Shigeki Masunaga
- Faculty of Environment and Information Sciences, Yokohama National University, Yokohama, 240-8501, Japan
| | - Daisuke Kitazawa
- Center for Integrated Underwater Observation Technology, Institute of Industrial Science, The University of Tokyo, Chiba, 277-8574, Japan
| | - Hiroyuki Matsuda
- Faculty of Environment and Information Sciences, Yokohama National University, Yokohama, 240-8501, Japan
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19
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Prevalence and Antimicrobial Resistance of Escherichia coli, Salmonella and Vibrio Derived from Farm-Raised Red Hybrid Tilapia (Oreochromis spp.) and Asian Sea Bass (Lates calcarifer, Bloch 1970) on the West Coast of Peninsular Malaysia. Antibiotics (Basel) 2022; 11:antibiotics11020136. [PMID: 35203739 PMCID: PMC8868497 DOI: 10.3390/antibiotics11020136] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/12/2022] [Accepted: 01/17/2022] [Indexed: 02/05/2023] Open
Abstract
Antibiotics are widely used in intensive fish farming, which in turn increases the emergence of antimicrobial-resistant (AMR) bacteria in the aquatic environment. The current study investigates the prevalence and determines the antimicrobial susceptibility of E. coli, Salmonella, and Vibrio in farmed fishes on the west coast of Peninsular Malaysia. Over a period of 12 months, 32 aquaculture farms from the Malaysian states of Selangor, Negeri Sembilan, Melaka, and Perak were sampled. Both E. coli and Salmonella were highly resistant to erythromycin, ampicillin, tetracycline, and trimethoprim, while Vibrio was highly resistant to ampicillin and streptomycin. Resistance to the antibiotics listed as the highest priority and critically important for human therapy, such as colistin in E. coli (18.1%) and Salmonella (20%) in fish, is a growing public health concern. The multi-drug resistance (MDR) levels of E. coli and Salmonella in tilapia were 46.5% and 77.8%, respectively. Meanwhile, the MDR levels of E. coli, Salmonella, V. parahaemolyticus, V. vulnificus and V. cholerae in Asian seabass were 34%, 100%, 21.6%, 8.3% and 16.7%, respectively. Our findings provide much-needed information on AMR in aquaculture settings that can be used to tailor better strategies for the use of antibiotics in aquaculture production at the local and regional levels.
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20
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Kamala K, Rajeshkumar S, Sivaperumal P. The predominance of Shiga toxin-producing E. coli in the Southeast Coast of India. MARINE POLLUTION BULLETIN 2022; 174:113188. [PMID: 34856431 DOI: 10.1016/j.marpolbul.2021.113188] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 11/09/2021] [Accepted: 11/21/2021] [Indexed: 06/13/2023]
Abstract
In this study, we reported Shiga toxin-producing Escherichia coli (STEC) in 847 samples, including those in coastal waters, sediments, and fish samples in the Southeast Coast of India. A total of 3742 E. coli strains were identified using conventional and molecular identification methods. Of these, 1518 isolates expressed virulent genes Stx1, Stx2, and Eae; effects on these genes on toxicity were examined. Furthermore, 2224 non-STEC isolates caused hemolytic uremic syndrome and played a key role in the persistence of STEC contamination. We conclude that toxin production is not adequate to cause disease, and the pathogenic mechanism of STEC remains poorly defined. Therefore, the present study indicates the status of pollution, highlighting the need for sanitation in public health.
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Affiliation(s)
- Kannan Kamala
- Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India
| | - Shanmugam Rajeshkumar
- Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India
| | - Pitchiah Sivaperumal
- Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India.
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21
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Potential Influence of Regulation of the Food Value Chain on Prevalence and Patterns of Antimicrobial Resistance: the Case of Tilapia (Oreochromis niloticus). Appl Environ Microbiol 2021; 87:e0094521. [PMID: 34550759 DOI: 10.1128/aem.00945-21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The current study was designed to evaluate the potential impact of the level of regulation on the prevalence and patterns of antimicrobial agent resistance in bacteria isolated from fish. The study sites included two large lakes and both semiregulated and unregulated fish value chains. A total of 328 bacterial isolates belonging to 11 genera were evaluated for antimicrobial susceptibility testing using the disk diffusion method. The bacterial species were tested against 12 different antibiotics (trimethoprim-sulfamethoxazole, tetracycline, ampicillin, cefotaxime, chloramphenicol, nalidixic acid, amoxicillin, meropenem, ciprofloxacin, nitrofurantoin, cefuroxime, and kanamycin). Data analysis was done to assess the heterogeneity in proportion of resistant bacterial species within and between the two value chains using a random-effects model proposed by DerSimonian and Laird (Control Clin Trials 7:177-188, 1986). Statistical heterogeneity within and between groups was estimated using the Cochran chi-square test and the Cochrane I2 index. The overall proportion of bacterial species resistant to antimicrobial agents in semiregulated and unregulated value chains ranged from 0.00 to 0.88 and 0.09 to 0.95, respectively. Shigella spp. had the highest proportion of bacteria that were resistant to most of the antimicrobial agents used. The bacterial species were highly resistant to ampicillin and amoxicillin, and the highest multidrug resistance capacity was observed in Shigella spp. (18.3%, n = 328), Vibrio spp. (18.3%), and Listeria monocytogenes (12.2%). We observed strong heterogeneity within and between the two value chains regarding proportion of resistant bacterial species. Sun-dried fish in both value chains had significantly high proportions of resistant bacterial species. Comparing the two value chains, the unregulated value chain had a significantly higher proportion of bacterial species that were resistant. In order to mitigate the risk of transmitting antimicrobial-resistant bacteria to consumers along the fish value chain, good manufacturing practices coupled with identification and management of possible sources of contamination are recommended for fish and potentially other foods distributed along the less regulated value chains. IMPORTANCE In order to mitigate the risk of transmitting antimicrobial-resistant bacteria to consumers along the fish value chain, good manufacturing practices coupled with identification and management of possible sources of contamination are recommended for fish and potentially other foods distributed along the less regulated value chains.
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Schar D, Zhao C, Wang Y, Larsson DGJ, Gilbert M, Van Boeckel TP. Twenty-year trends in antimicrobial resistance from aquaculture and fisheries in Asia. Nat Commun 2021; 12:5384. [PMID: 34508079 PMCID: PMC8433129 DOI: 10.1038/s41467-021-25655-8] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 08/20/2021] [Indexed: 01/21/2023] Open
Abstract
Antimicrobial resistance (AMR) is a growing threat to human and animal health. However, in aquatic animals-the fastest growing food animal sector globally-AMR trends are seldom documented, particularly in Asia, which contributes two-thirds of global food fish production. Here, we present a systematic review and meta-analysis of 749 point prevalence surveys reporting antibiotic-resistant bacteria from aquatic food animals in Asia, extracted from 343 articles published in 2000-2019. We find concerning levels of resistance to medically important antimicrobials in foodborne pathogens. In aquaculture, the percentage of antimicrobial compounds per survey with resistance exceeding 50% (P50) plateaued at 33% [95% confidence interval (CI) 28 to 37%] between 2000 and 2018. In fisheries, P50 decreased from 52% [95% CI 39 to 65%] to 22% [95% CI 14 to 30%]. We map AMR at 10-kilometer resolution, finding resistance hotspots along Asia's major river systems and coastal waters of China and India. Regions benefitting most from future surveillance efforts are eastern China and India. Scaling up surveillance to strengthen epidemiological evidence on AMR and inform aquaculture and fisheries interventions is needed to mitigate the impact of AMR globally.
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Affiliation(s)
- Daniel Schar
- Spatial Epidemiology Laboratory, Université Libre de Bruxelles, Brussels, Belgium.
| | - Cheng Zhao
- Institute for Environmental Decisions, ETH Zurich, Zurich, Switzerland
| | - Yu Wang
- Institute for Environmental Decisions, ETH Zurich, Zurich, Switzerland
| | - D G Joakim Larsson
- Center for Antibiotic Resistance Research, University of Gothenburg, Gothenburg, Sweden
- Department of Infectious Diseases, Institute for Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Marius Gilbert
- Spatial Epidemiology Laboratory, Université Libre de Bruxelles, Brussels, Belgium
- Fonds National de la Recherche Scientifique, Brussels, Belgium
| | - Thomas P Van Boeckel
- Institute for Environmental Decisions, ETH Zurich, Zurich, Switzerland.
- Center for Diseases Dynamics, Economics, and Policy, New Delhi, India.
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Nogueira T, Botelho A. Metagenomics and Other Omics Approaches to Bacterial Communities and Antimicrobial Resistance Assessment in Aquacultures. Antibiotics (Basel) 2021; 10:787. [PMID: 34203511 PMCID: PMC8300701 DOI: 10.3390/antibiotics10070787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/20/2021] [Accepted: 06/22/2021] [Indexed: 12/21/2022] Open
Abstract
The shortage of wild fishery resources and the rising demand for human nutrition has driven a great expansion in aquaculture during the last decades in terms of production and economic value. As such, sustainable aquaculture production is one of the main priorities of the European Union's 2030 agenda. However, the intensification of seafood farming has resulted in higher risks of disease outbreaks and in the increased use of antimicrobials to control them. The selective pressure exerted by these drugs provides the ideal conditions for the emergence of antimicrobial resistance hotspots in aquaculture facilities. Omics technology is an umbrella term for modern technologies such as genomics, metagenomics, transcriptomics, proteomics, culturomics, and metabolomics. These techniques have received increasing recognition because of their potential to unravel novel mechanisms in biological science. Metagenomics allows the study of genomes in microbial communities contained within a certain environment. The potential uses of metagenomics in aquaculture environments include the study of microbial diversity, microbial functions, and antibiotic resistance genes. A snapshot of these high throughput technologies applied to microbial diversity and antimicrobial resistance studies in aquacultures will be presented in this review.
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Affiliation(s)
- Teresa Nogueira
- Laboratory of Bacteriology and Mycology, INIAV-National Institute for Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal;
- cE3c-Centre for Ecology, Evolution and Environmental Changes, Evolutionary Ecology of Microorganisms Group, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Ana Botelho
- Laboratory of Bacteriology and Mycology, INIAV-National Institute for Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal;
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Yu T, Ma M, Sun Y, Xu X, Qiu S, Yin J, Chen L. The effect of sublethal concentrations of benzalkonium chloride on the LuxS/AI-2 quorum sensing system, biofilm formation and motility of Escherichia coli. Int J Food Microbiol 2021; 353:109313. [PMID: 34175578 DOI: 10.1016/j.ijfoodmicro.2021.109313] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 06/03/2021] [Accepted: 06/12/2021] [Indexed: 11/16/2022]
Abstract
Escherichia coli can survive improper disinfection processes, which is a potential source of contamination of food products. Benzalkonium chloride (BC) is a common disinfectant widely used in food industry. Bacterial quorum sensing (QS) plays a major role in food spoilage, biofilm formation and food-related pathogenesis. Understanding QS can help to control the growth of undesirable food-related bacteria. The LuxS/AI-2 QS system of E. coli has been confirmed to regulate many important phenotypes including biofilm formation and motility. In the current study, we aimed to investigate the effect of sublethal concentrations of BC on the LuxS/AI-2 system of E. coli isolates from retail meat samples, as well as bacterial biofilm formation and motility. Our results showed that sublethal concentrations of BC promoted AI-2 production in four test E. coli isolates. The results from microplate assay and confocal laser scanning microscopy (CLSM) analysis indicated that sublethal concentrations of BC enhanced biofilm formation of E. coli. When treated with sublethal concentrations of BC, exopolysaccharides (EPS) production during biofilm development increased significantly and swimming motility of tested isolates was also promoted. The expression levels of luxS, biofilm-associated genes and flagellar motility genes were increased by BC at sublethal concentrations. Our findings underline the importance of proper use of the disinfectant BC in food processing environments to control food contamination by E. coli.
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Affiliation(s)
- Tao Yu
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China; Key Laboratory of Biomedicine and Health Risk Warning of Xinxiang City, Xinxiang, Henan Province 453000, China
| | - Muyuan Ma
- Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, Jiangsu Province 215123, China
| | - Yaxi Sun
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China
| | - Xiaobo Xu
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China
| | - Shuxing Qiu
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China; Key Laboratory of Biomedicine and Health Risk Warning of Xinxiang City, Xinxiang, Henan Province 453000, China
| | - Junlei Yin
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China; Key Laboratory of Biomedicine and Health Risk Warning of Xinxiang City, Xinxiang, Henan Province 453000, China
| | - Leishan Chen
- School of Life Sciences & Basic Medicine, Xinxiang University, Xinxiang, Henan Province 453000, China.
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25
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Skandalis N, Maeusli M, Papafotis D, Miller S, Lee B, Theologidis I, Luna B. Environmental Spread of Antibiotic Resistance. Antibiotics (Basel) 2021; 10:640. [PMID: 34071771 PMCID: PMC8226744 DOI: 10.3390/antibiotics10060640] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/18/2021] [Accepted: 05/24/2021] [Indexed: 01/07/2023] Open
Abstract
Antibiotic resistance represents a global health concern. Soil, water, livestock and plant foods are directly or indirectly exposed to antibiotics due to their agricultural use or contamination. This selective pressure has acted synergistically to bacterial competition in nature to breed antibiotic-resistant (AR) bacteria. Research over the past few decades has focused on the emergence of AR pathogens in food products that can cause disease outbreaks and the spread of antibiotic resistance genes (ARGs), but One Health approaches have lately expanded the focus to include commensal bacteria as ARG donors. Despite the attempts of national and international authorities of developed and developing countries to reduce the over-prescription of antibiotics to humans and the use of antibiotics as livestock growth promoters, the selective flow of antibiotic resistance transmission from the environment to the clinic (and vice-versa) is increasing. This review focuses on the mechanisms of ARG transmission and the hotspots of antibiotic contamination resulting in the subsequent emergence of ARGs. It follows the transmission of ARGs from farm to plant and animal food products and provides examples of the impact of ARG flow to clinical settings. Understudied and emerging antibiotic resistance selection determinants, such as heavy metal and biocide contamination, are also discussed here.
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Affiliation(s)
- Nicholas Skandalis
- Department of Medicine, Keck School of Medicine at USC, Los Angeles, CA 90033, USA; (N.S.); (M.M.)
| | - Marlène Maeusli
- Department of Medicine, Keck School of Medicine at USC, Los Angeles, CA 90033, USA; (N.S.); (M.M.)
- Department of Molecular Microbiology and Immunology, Keck School of Medicine at USC, 1441 Eastlake Ave, NTT 6419, Los Angeles, CA 90033, USA; (S.M.); (B.L.)
| | - Dimitris Papafotis
- Department of Biology, National and Kapodistrian University of Athens, 157 72 Athens, Greece; (D.P.); (I.T.)
| | - Sarah Miller
- Department of Molecular Microbiology and Immunology, Keck School of Medicine at USC, 1441 Eastlake Ave, NTT 6419, Los Angeles, CA 90033, USA; (S.M.); (B.L.)
| | - Bosul Lee
- Department of Molecular Microbiology and Immunology, Keck School of Medicine at USC, 1441 Eastlake Ave, NTT 6419, Los Angeles, CA 90033, USA; (S.M.); (B.L.)
| | - Ioannis Theologidis
- Department of Biology, National and Kapodistrian University of Athens, 157 72 Athens, Greece; (D.P.); (I.T.)
| | - Brian Luna
- Department of Molecular Microbiology and Immunology, Keck School of Medicine at USC, 1441 Eastlake Ave, NTT 6419, Los Angeles, CA 90033, USA; (S.M.); (B.L.)
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26
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Hu Y, Rubin J, Mussio K, Riley LW. Risk factors for faecal carriage of multidrug-resistant Escherichia coli in a college community: a penalised regression model. J Glob Antimicrob Resist 2021; 26:166-173. [PMID: 34051401 DOI: 10.1016/j.jgar.2021.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 04/02/2021] [Accepted: 05/16/2021] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES Bacterial antimicrobial resistance is a serious global public-health threat. Intestinal commensal drug-resistant bacteria have been suggested as an important reservoir of antimicrobial resistance genes (ARGs), which may be acquired via food. We aimed to identify risk factors associated with faecal carriage of drug-resistant commensal Escherichia coli among healthy adults focused on their dietary habits. METHODS We conducted a cross-sectional study targeting healthy adult volunteers in a college community. Faecal samples and questionnaires were obtained from 113 volunteers. We conducted backward elimination logistic regression and least absolute shrinkage and selection operator (LASSO) methods to identify risk factors. RESULTS We analysed responses from 81 of 113 volunteers who completed the questionnaire. The logistic regression and LASSO methods identified red meat consumption to be associated with an increased risk [OR = 6.13 (95% CI 1.83-24.2) and 1.82, respectively] and fish consumption with a reduced risk [OR = 0.27 (95% CI 0.08-0.85) and 0.81] for carriage of multidrug-resistant (MDR) E. coli, adjusted for biological sex, employment status, frequently used supermarket and previous travel. CONCLUSION Dietary habits are associated with risk of faecal carriage of MDR E. coli. This study supports the growing evidence that food may be an important source of ARGs present in human commensal E. coli.
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Affiliation(s)
- Yuan Hu
- Division of Epidemiology, School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA.
| | - Julia Rubin
- Division of Environmental Health Science, School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA
| | - Kaitlyn Mussio
- Division of Environmental Health Science, School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA
| | - Lee W Riley
- Division of Infectious Diseases and Immunology, School of Public Health, University of California Berkeley, Berkeley, CA 94720, USA
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Nobrega DB, Calarga AP, Nascimento LC, Chande Vasconcelos CG, de Lima EM, Langoni H, Brocchi M. Molecular characterization of antimicrobial resistance in Klebsiella pneumoniae isolated from Brazilian dairy herds. J Dairy Sci 2021; 104:7210-7224. [PMID: 33773789 DOI: 10.3168/jds.2020-19569] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 01/16/2021] [Indexed: 11/19/2022]
Abstract
In this observational study, phenotypic and genotypic patterns of antimicrobial resistance (AMR) in Klebsiella pneumoniae isolated from intramammary infections, clinical mastitis, fresh feces, rectal swabs, animal hindlimbs, and bulk tank milk samples from Brazilian dairy herds were investigated. In addition, we identified specific genetic variants present among extended-spectrum β-lactamase (ESBL) producers. We obtained 169 isolates of K. pneumoniae from 2009 to 2011 on 24 Brazilian dairy farms located in 4 Brazilian states. The AMR profile of all isolates was determined using disk-diffusion assays. The antimicrobial panel included drugs commonly used as mastitis treatment in Brazilian dairy herds (gentamicin, cephalosporins, sulfamethoxazole-trimethoprim, tetracycline) as well as antimicrobials of critical importance for human health (meropenem, ceftazidime, fluoroquinolones). The K. pneumoniae isolates resistant to tetracycline, fluoroquinolones, sulfamethoxazole-trimethoprim, or chloramphenicol were screened for presence of drug-specific AMR genes [tet, qnr, aac(6')-Ib, floR, catA2, cm1A, dfr, sul] using PCR. In addition, we identified ESBL genes present among ESBL-producers by using whole genome sequencing. Genomes were assembled and annotated, and patterns of AMR genes were investigated. Resistance was commonly detected against tetracycline (22.5% of all isolates), streptomycin (20.7%), and sulfamethoxazole-trimethoprim (9.5%). Antimicrobial resistance rates were higher in K. pneumoniae isolated from intramammary infections in comparison with isolates from feces (19.2 and 0% of multidrug resistance in intramammary and fecal isolates, respectively). In contrast, no difference in AMR rates was observed when contrasting hind limbs and isolates from intramammary infections. The genes tetA, sul2, and floR were the most frequently observed AMR genes in K. pneumoniae resistant to tetracycline, sulfamethoxazole-trimethoprim, and chloramphenicol, respectively. The tetA gene was present exclusively in isolates from milk. The genes blaCTX-M8 and blaSHV-108 were present in 3 ESBL-producing K. pneumoniae, including an isolate from bulk tank milk. The 3 isolates were of sequence type 281 and had similar mobile genetic elements and virulence genes. Our study reinforced the epidemiological importance and dissemination of blaCTX-M-8 pST114 plasmid in food-producing animals in Brazil.
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Affiliation(s)
- Diego Borin Nobrega
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, N1G 2W1, Canada; Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas (UNICAMP), 13083-650, Campinas, São Paulo, Brazil.
| | - Aline Parolin Calarga
- Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas (UNICAMP), 13083-650, Campinas, São Paulo, Brazil
| | - Leandro Costa Nascimento
- Central Laboratory for High Performance Technologies (LaCTAD), University of Campinas (UNICAMP), 13083-886, Campinas, São Paulo, Brazil
| | | | | | - Helio Langoni
- Department of Veterinary Hygiene and Public Health, São Paulo State University (UNESP), 16618-681, Botucatu, São Paulo, Brazil
| | - Marcelo Brocchi
- Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas (UNICAMP), 13083-650, Campinas, São Paulo, Brazil.
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Giacometti F, Pezzi A, Galletti G, Tamba M, Merialdi G, Piva S, Serraino A, Rubini S. Antimicrobial resistance patterns in Salmonella enterica subsp. enterica and Escherichia coli isolated from bivalve molluscs and marine environment. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107590] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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29
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M D, Vijaya Kumar D, Ballamoole KK, Shetty A V, Chakraborty A, Karunasagar I. Occurrence of antibiotic resistance among Gram negative bacteria isolated from effluents of fish processing plants in and around Mangalore. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2020; 30:653-660. [PMID: 31112036 DOI: 10.1080/09603123.2019.1618799] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 05/10/2019] [Indexed: 06/09/2023]
Abstract
The presence of antibiotic-resistant bacteria in seafood not only poses a serious health risk for the consumers but also contributes to the spread of these antibiotic-resistant bacteria in the natural environments through the effluents discharged from the fish processing plants. The aims of this study were to isolate Gram-negative bacteria from the effluents of fish processing plants in and around Mangalore, India and to profile their antibiotic resistance pattern. Maximum resistance was seen for ampicillin (40.78%) followed by tetracycline (40.22%) and nitrofurantoin (29.05%). Further, the detection of genes that contribute to antibiotic resistance revealed the presence of sulfonamide resistance genes (sul1 and sul2) and extended spectrum β-lactamase genes (bla CTX-M, bla TEM) in a few isolates. The presence of such bacteria in fish processing effluents is a matter of great concern because they can contribute significantly to the antibiotic resistance in the natural environment. It is imperative that seafood processing plants follow the safe disposal of effluents in order to reduce or eliminate the antibiotic resistance menace.
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Affiliation(s)
- Divyashree M
- UNESCO MIRCEN for Medical and Marine Biotechnology, Nitte University Center for Science Education and Research, Nitte (Deemed to be Universuty) , Mangaluru, Karnataka, India
| | - Deekshit Vijaya Kumar
- UNESCO MIRCEN for Medical and Marine Biotechnology, Nitte University Center for Science Education and Research, Nitte (Deemed to be Universuty) , Mangaluru, Karnataka, India
| | - Krishna Kumar Ballamoole
- UNESCO MIRCEN for Medical and Marine Biotechnology, Nitte University Center for Science Education and Research, Nitte (Deemed to be Universuty) , Mangaluru, Karnataka, India
| | - Veena Shetty A
- Department of Microbiology, K.S.Hegde Medical Academy, Nitte (Deemed to be University) , Mangaluru, Karnataka, India
| | - Anirban Chakraborty
- UNESCO MIRCEN for Medical and Marine Biotechnology, Nitte University Center for Science Education and Research, Nitte (Deemed to be Universuty) , Mangaluru, Karnataka, India
| | - Indrani Karunasagar
- UNESCO MIRCEN for Medical and Marine Biotechnology, Nitte University Center for Science Education and Research, Nitte (Deemed to be Universuty) , Mangaluru, Karnataka, India
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30
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Antimicrobials and Antibiotic-Resistant Bacteria: A Risk to the Environment and to Public Health. WATER 2020. [DOI: 10.3390/w12123313] [Citation(s) in RCA: 226] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The release of antibiotics to the environment, and the consequences of the presence of persistent antimicrobial residues in ecosystems, have been the subject of numerous studies in all parts of the world. The overuse and misuse of antibiotics is a common global phenomenon, which substantially increases the levels of antibiotics in the environment and the rates of their spread. Today, it can be said with certainty that the mass production and use of antibiotics for purposes other than medical treatment has an impact on both the environment and human health. This review aims to track the pathways of the environmental distribution of antimicrobials and identify the biological effects of their subinhibitory concentration in different environmental compartments; it also assesses the associated public health risk and government policy interventions needed to ensure the effectiveness of existing antimicrobials. The recent surge in interest in this issue has been driven by the dramatic increase in the number of infections caused by drug-resistant bacteria worldwide. Our study is in line with the global One Health approach.
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Onmaz NE, Yildirim Y, Karadal F, Hizlisoy H, Al S, Gungor C, Disli HB, Barel M, Dishan A, Akai Tegin RA, Simsek E. Escherichia coli O157 in fish: Prevalence, antimicrobial resistance, biofilm formation capacity, and molecular characterization. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109940] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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32
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Divya PS, Thajudeen J, Yousuf J, Madavan A, Abdulla MH. Genetic relatedness, phylogenetic groups, antibiotic resistance, and virulence genes associated with ExPEC in
Escherichia coli
isolates from finfish and shellfish. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Puthenkandathil Sukumaran Divya
- Department of Marine Biology, Microbiology and Biochemistry School of Marine Sciences Cochin University of Science and Technology Cochin India
| | - Jabir Thajudeen
- Department of Marine Biology, Microbiology and Biochemistry School of Marine Sciences Cochin University of Science and Technology Cochin India
| | - Jesmi Yousuf
- Department of Marine Biology, Microbiology and Biochemistry School of Marine Sciences Cochin University of Science and Technology Cochin India
| | - Anand Madavan
- School of Environmental Studies Cochin University of Science and Technology Cochin India
| | - Mohamed Hatha Abdulla
- Department of Marine Biology, Microbiology and Biochemistry School of Marine Sciences Cochin University of Science and Technology Cochin India
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Liang Z, Yu Y, Ye Z, Li G, Wang W, An T. Pollution profiles of antibiotic resistance genes associated with airborne opportunistic pathogens from typical area, Pearl River Estuary and their exposure risk to human. ENVIRONMENT INTERNATIONAL 2020; 143:105934. [PMID: 32645489 DOI: 10.1016/j.envint.2020.105934] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/19/2020] [Accepted: 06/26/2020] [Indexed: 06/11/2023]
Abstract
To reveal the selective pressures of near-shore human activities on marine and continental bioaerosols, the pollution profile and potential exposure risk of airborne pathogens and antibiotic-resistance genes (ARGs) in Pearl River Estuaries (113.52 oE, 22.69 oN), a transitional zone between marine and continental environments, were fully explored. The results showed that the total bacteria among bioaerosols varied largely with average pollution levels of 1.86 × 105 and 4.35 × 104 cfu m-3 in spring and summer, respectively, and were high than those of airborne fungi. The predominant aerodynamic diameters of bioaerosols were in respirable size range (<4.7 µm), and the microbes communities' diversity and abundance varied significantly. Besides, many opportunistic pathogenic bacteria (Burkholderia-Paraburkholderia, Staphylococcus and Acinetobacter) and fungi (Alternaria, Penicillium and Cladosporium) were dominant in bioaerosol samples. Of 21 ARGs subtypes detected, the tetracycline resistance gene tetA was the most abundant, followed by aminoglycoside resistance gene and mobile genetic elements. Correlation analysis revealed that the changes of pathogens community contributed significantly to the prevalence of ARGs in bioaerosol. Based on the average daily dose rates of microorganisms and human direct intake of ARGs, health risk of bioaerosols from the Pearl River Estuaries were also evaluated. In summary, the presence of opportunistic pathogens and diversity of ARGs strengthens the call to consider the bioaerosol in air quality monitoring and risk assessment in the future.
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Affiliation(s)
- Zhishu Liang
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Yun Yu
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Zikai Ye
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Guiying Li
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Wanjun Wang
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Taicheng An
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China.
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Khurana H, Singh DN, Singh A, Singh Y, Lal R, Negi RK. Gut microbiome of endangered Tor putitora (Ham.) as a reservoir of antibiotic resistance genes and pathogens associated with fish health. BMC Microbiol 2020; 20:249. [PMID: 32787773 PMCID: PMC7425606 DOI: 10.1186/s12866-020-01911-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 07/19/2020] [Indexed: 01/16/2023] Open
Abstract
Background Tor putitora, the largest freshwater fish of the Indian subcontinent, is an endangered species. Several factors have been attributed towards its continuous population decrease, but very little is known about the gut microbiome of this fish. Also, the fish gut microbiome serves as a reservoir of virulence factors and antibiotic resistance determinants. Therefore, the shotgun metagenomic approach was employed to investigate the taxonomic composition and functional potential of microbial communities present in the gut of Tor putitora, as well as the detection of virulence and antibiotic resistance genes in the microbiome. Results The analysis of bacterial diversity showed that Proteobacteria was predominant phylum, followed by Chloroflexi, Bacteroidetes, and Actinobacteria. Within Proteobacteria, Aeromonas and Caulobacter were chiefly present; also, Klebsiella, Escherichia, and plant symbionts were noticeably detected. Functional characterization of gut microbes endowed the virulence determinants, while surveillance of antibiotic resistance genes showed the dominance of β-lactamase variants. The antibiotic-resistant Klebsiella pneumoniae and Escherichia coli pathovars were also detected. Microbial genome reconstruction and comparative genomics confirmed the presence of Aeromonads, the predominant fish pathogens. Conclusions Gut microbiome of endangered Tor putitora consisted of both commensals and opportunistic pathogens, implying that factors adversely affecting the non-pathogenic population would allow colonization and proliferation of pathogens causing diseased state in asymptomatic Tor putitora. The presence of virulence factors and antibiotic resistance genes suggested the potential risk of dissemination to other bacteria due to horizontal gene transfer, thereby posing a threat to fish and human health. The preservation of healthy gut microflora and limited use of antibiotics are some of the prerequisites for the conservation of this imperilled species.
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Affiliation(s)
- Himani Khurana
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi, 110007, India.,Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi, 110007, India
| | - Durgesh Narain Singh
- Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi, 110007, India.,Laboratory of Microbial Pathogenesis, Department of Zoology, University of Delhi, Delhi, 110007, India
| | - Anoop Singh
- Laboratory of Microbial Pathogenesis, Department of Zoology, University of Delhi, Delhi, 110007, India
| | - Yogendra Singh
- Laboratory of Microbial Pathogenesis, Department of Zoology, University of Delhi, Delhi, 110007, India
| | - Rup Lal
- Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi, 110007, India. .,Present address: The Energy and Resources Institute Darbari Seth Block, IHC Complex, Lodhi Road, New Delhi, 110003, India.
| | - Ram Krishan Negi
- Fish Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi, 110007, India.
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Preena PG, Swaminathan TR, Rejish Kumar VJ, Bright Singh IS. Unravelling the menace: detection of antimicrobial resistance in aquaculture. Lett Appl Microbiol 2020; 71:26-38. [PMID: 32248555 DOI: 10.1111/lam.13292] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 03/20/2020] [Accepted: 03/20/2020] [Indexed: 12/13/2022]
Abstract
One of the major problems to be addressed in aquaculture is the prominence of antimicrobial resistance (AMR). The occurrence of bacterial infections in cultured fishes promotes the continuous use of antibiotics in aquaculture, which results in the selection of proliferated antibiotic-resistant bacteria and increases the possibility of transfer to the whole environment through horizontal gene transfer. Hence, the accurate cultivation-dependent and cultivation-independent detection methods are very much crucial for the immediate and proper management of this menace. Antimicrobial resistance determinants carrying mobile genetic transfer elements such as transposons, plasmids, integrons and gene cassettes need to be specifically analysed through molecular detection techniques. The susceptibility of microbes to antibiotics should be tested at regular intervals along with various biochemical assays and conjugation studies so as to determine the extent of spread of AMR. Advanced omic-based and bioinformatic tools can also be incorporated for understanding of genetic diversity. The present review focuses on different detection methods to unearth the complexity of AMR in aquaculture. This monitoring helps the authorities to curb the use of antibiotics, commencement of appropriate management measures and adequate substitute strategies in aquaculture. The long battle of AMR could be overcome by the sincere implementation of One Health approach. SIGNIFICANCE AND IMPACT OF THE STUDY: The use of antibiotics and increased antimicrobial resistance (AMR) are of major concerns in aquaculture industry. This could result in global health risks through direct consumption of cultured fishes and dissemination of AMR to natural environment through horizontal gene transfer. Hence, timely detection of the antimicrobial-resistant pathogens and continuous monitoring programmes are inevitable. Advanced microbiological, molecular biological and omic-based tools can unravel the menace to a great extent. This will help the authorities to curb the use of antibiotics and implement appropriate management measures to overcome the threat.
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Affiliation(s)
- P G Preena
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Kochi, India
| | - T Raja Swaminathan
- Peninsular and Marine Fish Genetic Resources Centre of ICAR-NBFGR, CMFRI Campus, Kochi, India
| | - V J Rejish Kumar
- Department of Aquaculture, Kerala University of Fisheries and Ocean Studies, Kochi, India
| | - I S Bright Singh
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Kochi, India
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Palma E, Tilocca B, Roncada P. Antimicrobial Resistance in Veterinary Medicine: An Overview. Int J Mol Sci 2020; 21:E1914. [PMID: 32168903 PMCID: PMC7139321 DOI: 10.3390/ijms21061914] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/03/2020] [Accepted: 03/10/2020] [Indexed: 02/07/2023] Open
Abstract
Antimicrobial resistance (AMR) represents one of the most important human- and animal health-threatening issues worldwide. Bacterial capability to face antimicrobial compounds is an ancient feature, enabling bacterial survival over time and the dynamic surrounding. Moreover, bacteria make use of their evolutionary machinery to adapt to the selective pressure exerted by antibiotic treatments, resulting in reduced efficacy of the therapeutic intervention against human and animal infections. The mechanisms responsible for both innate and acquired AMR are thoroughly investigated. Commonly, AMR traits are included in mobilizable genetic elements enabling the homogeneous diffusion of the AMR traits pool between the ecosystems of diverse sectors, such as human medicine, veterinary medicine, and the environment. Thus, a coordinated multisectoral approach, such as One-Health, provides a detailed comprehensive picture of the AMR onset and diffusion. Following a general revision of the molecular mechanisms responsible for both innate and acquired AMR, the present manuscript focuses on reviewing the contribution of veterinary medicine to the overall issue of AMR. The main sources of AMR amenable to veterinary medicine are described, driving the attention towards the indissoluble cross-talk existing between the diverse ecosystems and sectors and their cumulative cooperation to this warning phenomenon.
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Affiliation(s)
| | | | - Paola Roncada
- Department of Health Science, University “Magna Graecia” of Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (E.P.); (B.T.)
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Gazal LEDS, Brito KCTD, Kobayashi RKT, Nakazato G, Cavalli LS, Otutumi LK, Brito BGD. Antimicrobials and resistant bacteria in global fish farming and the possible risk for public health. ARQUIVOS DO INSTITUTO BIOLÓGICO 2020. [DOI: 10.1590/1808-1657000362019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
ABSTRACT: The use of antimicrobials in fish farming is a reflection of the fast aquaculture development worldwide. The intensification of aquaculture to achieve market demands could lead to an increase in infectious diseases by pathogenic bacteria. Consequently, antimicrobials act as controls for emerging infectious diseases, but their use must follow the rules and regulations of the country where the activity is performed. Although the regulations impose limits to the use of antimicrobials in fish farming, many studies show that resistant bacteria are isolated from this system. The selection of resistant bacteria is not limited only to the use of antimicrobials, but also to co-selection of resistance genes or even with cross-resistance processes. Resistant bacteria from fish farming are a serious concern because they can be acquired by humans with handling or food chain, which may represent a public health problem. In the present review, we present an overview of antimicrobials use in aquaculture, the antimicrobial resistance and the impact of antimicrobial and bacterial resistance from a public health perspective.
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Ahumada-Santos YP, Báez-Flores ME, Díaz-Camacho SP, Uribe-Beltrán MDJ, Eslava-Campos CA, Parra-Unda JR, Delgado-Vargas F. Association of phylogenetic distribution and presence of integrons with multidrug resistance in Escherichia coli clinical isolates from children with diarrhoea. J Infect Public Health 2019; 13:767-772. [PMID: 31859055 DOI: 10.1016/j.jiph.2019.11.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/29/2019] [Accepted: 11/26/2019] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Escherichia coli strains include both commensal and virulent clones distributed in different phylogenetic groups. Antimicrobial resistance is an increasingly serious public health threat at the global level and integrons are important mobile genetic elements involved in resistance dissemination. This paper aims to determine the phylogenetic groups and presence of class 1 (intl1) and 2 (intl2) integrons in E. coli clinical isolates from children with diarrhoea, and to associate these characteristics with their antimicrobial resistance. METHODS Phylogeny and presence of integrons (intl1 and intl2) were analysed by PCR and amplicon sequencing in 70 E. coli isolates from children with and without diarrhoea (35 of each group) from Sinaloa, Mexico; these variables were analysed for correlation with the antimicrobial resistance profile of the isolates. RESULTS The most frequent phylogroups were A (42.9%) and B2 (15.7%). The E. coli isolates from children with diarrhoea were distributed in all phylogroups; while strains from children without diarrhoea were absent from phylogroups C, E, and clade I. The 17.1% of the isolates carried integrons (15.7% intI1 and 1.4% intI2); 28.6% of the isolates from children with diarrhoea showed the class 1 integron. Strains of phylogroup A showed the highest frequency of integrons (33.3%). The association of multidrug resistance and the presence of integrons was identified in 58.3% of strains isolated from children with diarrhoea included in phylogroups A and B2. The sequence analysis of intl1 and intl2 showed silent point mutations and similarities with plasmids of some APEC and AIEC strains. CONCLUSION Commensal E. coli strains are potential disseminators of antimicrobial resistance, and the improvement in the use of antimicrobials to treat childhood diarrhoea is essential for the control of such resistance.
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Affiliation(s)
- Yesmi Patricia Ahumada-Santos
- School of Chemical and Biological Sciences, Autonomous University of Sinaloa, Ciudad Universitaria, Culiacan, Sinaloa, Mexico
| | - María Elena Báez-Flores
- School of Chemical and Biological Sciences, Autonomous University of Sinaloa, Ciudad Universitaria, Culiacan, Sinaloa, Mexico
| | - Sylvia Páz Díaz-Camacho
- Research Unit in Environment and Health, Autonomous University of Occident, Culiacan, Sinaloa, Mexico
| | | | - Carlos Alberto Eslava-Campos
- School of Medicine, National Autonomous University of Mexico, Ciudad Universitaria, Coyoacan, 04510, Ciudad de Mexico, Mexico; Laboratory of Bacterial Pathogenicity, Hemato Oncology and Research Unit, Hospital Infantil de Mexico Federico Gomez 06720, Ciudad de Mexico, Mexico
| | - Jesús Ricardo Parra-Unda
- School of Chemical and Biological Sciences, Autonomous University of Sinaloa, Ciudad Universitaria, Culiacan, Sinaloa, Mexico
| | - Francisco Delgado-Vargas
- School of Chemical and Biological Sciences, Autonomous University of Sinaloa, Ciudad Universitaria, Culiacan, Sinaloa, Mexico.
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Silva V, Nunes J, Gomes A, Capita R, Alonso-Calleja C, Pereira JE, Torres C, Igrejas G, Poeta P. Detection of Antibiotic Resistance in Escherichia coli Strains: Can Fish Commonly Used in Raw Preparations such as Sushi and Sashimi Constitute a Public Health Problem? J Food Prot 2019; 82:1130-1134. [PMID: 31225976 DOI: 10.4315/0362-028x.jfp-18-575] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
HIGHLIGHTS Forty-five E. coli isolates were recovered from fresh fish. Three of the E. coli isolates produced ESBL. ESBL-producing E. coli isolates harbored the blaCTX-M-1 and blaTEM genes. The presence of ESBL-producing E. coli may represent a serious public health problem.
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Affiliation(s)
- Vanessa Silva
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - João Nunes
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Anícia Gomes
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Rosa Capita
- 4 Associated Laboratory for Green Chemistry, University NOVA of Lisboa, Lisboa, Caparica, Portugal
| | - Carlos Alonso-Calleja
- 4 Associated Laboratory for Green Chemistry, University NOVA of Lisboa, Lisboa, Caparica, Portugal
| | - José Eduardo Pereira
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,5 Department of Food Hygiene and Technology, Veterinary Faculty and Institute of Food Science and Technology, University of León, León, Spain
| | - Carmen Torres
- 7 Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, La Rioja, Spain
| | - Gilberto Igrejas
- 2 Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,3 Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Patrícia Poeta
- 1 Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,6 Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
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Ma Y, Lan G, Li C, Cambaza EM, Liu D, Ye X, Chen S, Ding T. Stress tolerance of Staphylococcus aureus with different antibiotic resistance profiles. Microb Pathog 2019; 133:103549. [PMID: 31112770 DOI: 10.1016/j.micpath.2019.103549] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 05/17/2019] [Accepted: 05/17/2019] [Indexed: 01/19/2023]
Abstract
Staphylococcus aureus (S. aureus) is a zoonotic bacterium and is among the most important pathogens causing bacterial foodborne diseases. In recent years, disease caused by antibiotic-resistant S. aureus is a serious clinical problem that poses a great threat to public health. In this study, we examined the drug-resistance phenotypes and genotypes of 9 S. aureus strains. One strain was obtained from the China Center for Type Culture Collection (CCTCC), and the remaining eight strains were isolated from food. Two common methods (the Kirby-Bauer disk diffusion and broth microdilution methods) were used to detect bacterial drug resistance. Then, we analysed the relationship between the bacterial drug resistance phenotypes and genotypes. We found that some S. aureus strains isolated from food were drug-resistant or even multi-drug resistant and that there was not a perfect match between resistance phenotypes and genotypes. The viabilities of the drug-sensitive (DS), drug-resistant (DR), and multi-drug resistant (MDR) S. aureus strains were also compared when they were exposed to conditions of acid (HCl, pH = 1.5), heat (63 °C), and osmotic pressure (30% NaCl). The results showed that the DR and MDR bacterial strains had survival rates similar to or higher than those of the DS strains under environmental stress.
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Affiliation(s)
- Yanna Ma
- Department of Food Science and Nutrition, National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Key Laboratory for Agro-Products Postharvest Handling of Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou, Zhejiang, 310058, China
| | - Guang Lan
- 230 Gansu Province CDC, Donggang West Road, Lanzhou, Gansu, 730000, China
| | - Charlie Li
- Department of Environmental Toxicology, University of California, Davis, Ca, 95616, USA
| | - Edgar Manuel Cambaza
- Department of Biological Sciences, Faculty of Sciences, Eduardo Mondlane University, Av. Julius Nyerere, Nr. Maputo, 3453, Mozambique
| | - Donghong Liu
- Department of Food Science and Nutrition, National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Key Laboratory for Agro-Products Postharvest Handling of Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou, Zhejiang, 310058, China
| | - Xingqian Ye
- Department of Food Science and Nutrition, National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Key Laboratory for Agro-Products Postharvest Handling of Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou, Zhejiang, 310058, China
| | - Shiguo Chen
- Department of Food Science and Nutrition, National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Key Laboratory for Agro-Products Postharvest Handling of Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou, Zhejiang, 310058, China
| | - Tian Ding
- Department of Food Science and Nutrition, National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Key Laboratory for Agro-Products Postharvest Handling of Ministry of Agriculture, Zhejiang Key Laboratory for Agro-Food Processing, Hangzhou, Zhejiang, 310058, China.
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Miotto M, Ossai SA, Meredith JE, Barretta C, Kist A, Prudencio ES, R. W. Vieira C, Parveen S. Genotypic and phenotypic characterization of Escherichia coli isolated from mollusks in Brazil and the United States. Microbiologyopen 2019; 8:e00738. [PMID: 30311420 PMCID: PMC6528596 DOI: 10.1002/mbo3.738] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/27/2018] [Accepted: 08/28/2018] [Indexed: 11/06/2022] Open
Abstract
The aim of this study was to determine the serogroups, antimicrobial resistance and genetic diversity of Escherichia coli isolates from samples of bivalve mollusks collected along Santa Catarina coast, Brazil, and from the Chesapeake Bay, Maryland, USA. One hundred forty-one E. coli isolates were characterized for serogroups with 181 specific O antisera and antimicrobial susceptibility using the disk diffusion method. The genetic diversity was assessed using pulsed-field gel electrophoresis (PFGE). The results showed that among the isolates, 19.9% were classified as multi-drug resistant (MDR) and resistance was most frequently observed to cephalothin, nitrofurantoin, and ampicillin. The predominant serogroups were O6, O8, and O38. Some serogroups were recognized as pathogenic E. coli. PFGE dendrograms indicated extensive genetic diversity among the isolates. Although characteristics of the E. coli isolates were highly variable, it is important to note that E. coli belonging to pathogenic serogroups and MDR isolates are present in mollusks of both study areas. This is the first report on the phenotypic and genotypic characterization of E. coli from mollusks from Santa Catarina and the Chesapeake Bay that should encourage studies focusing on comparison of isolates across countries.
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Affiliation(s)
- Marília Miotto
- Department of Food Science and TechnologyFederal University of Santa CatarinaFlorianopolisSanta CatarinaBrazil
| | - Sylvia A. Ossai
- Food Science and Technology ProgramUniversity of Maryland Eastern ShorePrincess AnneMaryland
| | - Joan E. Meredith
- Food Science and Technology ProgramUniversity of Maryland Eastern ShorePrincess AnneMaryland
| | - Clarissa Barretta
- Department of Food Science and TechnologyFederal University of Santa CatarinaFlorianopolisSanta CatarinaBrazil
| | - Airton Kist
- Laboratory of Computational and Applied Statistics, Department of Mathematics and StatisticsState University of Ponta GrossaPonta GrossaParanaBrazil
| | - Elane S. Prudencio
- Department of Food Science and TechnologyFederal University of Santa CatarinaFlorianopolisSanta CatarinaBrazil
| | - Cleide R. W. Vieira
- Department of Food Science and TechnologyFederal University of Santa CatarinaFlorianopolisSanta CatarinaBrazil
| | - Salina Parveen
- Food Science and Technology ProgramUniversity of Maryland Eastern ShorePrincess AnneMaryland
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Detection of multidrug-resistant Enterobacteriaceae isolated from river waters flowing to the Guanabara Bay and from clinical samples of hospitals in Rio de Janeiro, Brazil. ACTA ACUST UNITED AC 2019; 39:135-149. [PMID: 31529856 DOI: 10.7705/biomedica.v39i0.4391] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Indexed: 01/14/2023]
Abstract
INTRODUCTION The use of antibiotics in humans, animal husbandry and veterinary activities induces selective pressure leading to the colonization and infection by resistant strains. OBJECTIVE We evaluated water samples collected from rivers of the Guanabara Bay, which have suffered minor and major environmental degradation, and clinical samples of hospital origin to detect evidence of the presence of resistance genes to aminoglycosides, beta-lactam antibiotics and fluoroquinolones in strains of Klebsiella pneumoniae subsp. pneumoniae, K. pneumoniae subsp. ozaenae and Escherichia coli. MATERIALS AND METHODS For isolation of the water strains we employed culture media containing 32 μg/ml cephalotin and 8 μg/ml gentamicin. The strains from clinical materials were selected using culture media containing 8 μg/ml gentamicin. The strains were identified and subjected to antimicrobial susceptibility testing (AST), plasmid DNA extraction and polymerase chain reaction (PCR) to detect genes encoding enzymes modifying aminoglycosides (EMA), extended-spectrum beta-lactamases (ESBL) and plasmid mechanisms of quinolone resistance (PMQR). RESULTS The AST of the isolates recovered from water samples showed multidrugresistance profiles similar to those found in isolates recovered from clinical materials. All isolates from water samples and 90% of the isolates from clinical samples showed at least one plasmid band. In the PCR assays, 7.4% of the isolates recovered from water samples and 20% of those from clinical materials showed amplification products for the three antimicrobial classes. CONCLUSION We believe that the detection of microorganisms presenting genetic elements in environments such as water is necessary for the prevention and control of their dissemination with potential to infect humans and other animals in eventual contact with these environments.
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Santos L, Ramos F. Antimicrobial resistance in aquaculture: Current knowledge and alternatives to tackle the problem. Int J Antimicrob Agents 2018; 52:135-143. [DOI: 10.1016/j.ijantimicag.2018.03.010] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 03/01/2018] [Accepted: 03/09/2018] [Indexed: 12/13/2022]
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Vu TTT, Alter T, Roesler U, Roschanski N, Huehn S. Investigation of Extended-Spectrum and AmpC β-Lactamase-Producing Enterobacteriaceae from Retail Seafood in Berlin, Germany. J Food Prot 2018; 81:1079-1086. [PMID: 29897274 DOI: 10.4315/0362-028x.jfp-18-029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Retail seafood in Berlin, Germany, was investigated to detect the prevalence and quantitative load of Enterobacteriaceae that produce extended-spectrum β-lactamase (ESBL) and AmpC β-lactamase (AmpC). A total of 160 raw seafood samples were screened for the presence of these bacteria using MacConkey agar supplemented with 1 mg/L cefotaxime after nonselective enrichment. Isolated species were subsequently identified using matrix-assisted laser desorption-ionization time-of-flight analysis. ESBL and AmpC production was tested by the disk diffusion method, and ESBL and AmpC genes were characterized using real-time and conventional PCR assays with DNA sequencing. Spread plating was used for quantification of ESBL- and AmpC-producing Enterobacteriaceae. Overall, these bacteria were detected in 21.3% of seafood samples (34 of 160 samples) with prevalences of 22.5 and 20% for shrimp and bivalves, respectively. Of the positive samples, 91.2% contained an ESBL- or AmpC-producing Enterobacteriaceae load of <100 CFU/g (lower detection limit), and 8.8% contained 100 to 1,000 CFU/g. Among the 45 Enterobacteriaceae isolates, Klebsiella pneumoniae (13 isolates) and Escherichia coli (12 isolates) were the predominant species. ESBL and AmpC genes were detected in 33 isolates, with the majority of isolates harboring blaCTX-M (27.3%), blaCMY (21.2%), or blaDHA (21.2%). Our study highlights the hazard associated with seafood containing ESBL- and AmpC-producing Enterobacteriaceae in Germany. Even though the contamination levels were low, the high prevalence of ESBL- and AmpC-producing Enterobacteriaceae in seafood might be of concern to public health because of the potential transmission of these bacteria from seafood to humans through the food chain.
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Affiliation(s)
| | | | - Uwe Roesler
- 2 Institute of Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany; and
| | - Nicole Roschanski
- 2 Institute of Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany; and
| | - Stephan Huehn
- 3 Life Sciences and Technology, Beuth University of Applied Science, Berlin, Germany
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Karadeniz (Türkiye)’den Toplanan Kara Midye ve Deniz Salyangozlarındaki Escherichia coli’lerin Antimikrobiyal Direnç Profilleri ve Tetrasiklin Direnç Genleri. ACTA ACUST UNITED AC 2018. [DOI: 10.28955/alinterizbd.355019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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47
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Isolation, molecular characterization and antimicrobial resistance of enterobacteriaceae isolated from fish and seafood. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.01.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Pleva P, Janalíková M, Pavlíčková S, Lecomte M, Godillon T, Holko I. Characterization of Escherichia coli strains isolated from raw vegetables. POTRAVINARSTVO 2018. [DOI: 10.5219/897] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Vegetables are an important part of the human diet. Sometimes, contamination by pathogenic Escherichia coli can be underestimated; moreover there is a risk of antibiotic resistance spreading via the food chain. The purpose of this study was to examine the prevalence of Escherichia coli in fresh vegetables sold in retail market in the Czech Republic and to evaluate the risk to human health. Antibiotic resistance against 12 antibiotics, the presence of 12 virulence and 15 resistance genes were determined among 15 isolated strains. Most of tested strains belonged to B1 phylogenetic group, less frequently represented was B2 and D phylogroup. These results indicate that most strains are probably of human origin. All E. coli strains were resistant to at least one of twelve tested antibiotics. A multidrug resistance was observed in four strains. In this study, the presence of virulence factors Einv and papC and also genes encoding toxins (CNF1, CNF2) was detected. Nevertheless, none strain can be considered as STEC or EHEC. The widespread appearance of a growing trend associated with the prevalence of antibiotic resistance among enterobacterial isolates is undeniable and the possibility of transfer to humans cannot be ignored. Nevertheless, these results indicate that raw vegetables sold in the retail market can constitute a potential health risk for consumers.
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Springorum HR, Baier C, Götz J, Schwarz T, Benditz A, Grifka J, Heers G. [Examination of the wrist and hand]. Schmerz 2018; 31:179-193. [PMID: 28224219 DOI: 10.1007/s00482-017-0196-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The wrist and hand form a highly complex organ that is of great importance in almost all daily activities. The hand serves as a tool and an organ of sense. Injuries of the hand and wrist as well as mechanical, neurological or systemic inflammatory changes are common. Taking a detailed history can already lead to a diagnosis. Almost all structures of the hand are easily accessible for clinical examination, i. e. inspection, palpation and clinical tests, including dynamic testing. Diagnostic imaging completes the examination procedure.
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Affiliation(s)
- H R Springorum
- Orthopädisches Fachzentrum, Seehauser Straße 2, 82418, Murnau, Deutschland.
| | - C Baier
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
| | - J Götz
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
| | - T Schwarz
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
| | - A Benditz
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
| | - J Grifka
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
| | - G Heers
- Orthopädische Klinik der Universität Regensburg, Asklepios Klinikum Bad Abbach, Kaiser-Karl-V. Allee 3, 93077, Bad Abbach, Deutschland
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Naik OA, Shashidhar R, Rath D, Bandekar JR, Rath A. Characterization of multiple antibiotic resistance of culturable microorganisms and metagenomic analysis of total microbial diversity of marine fish sold in retail shops in Mumbai, India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:6228-6239. [PMID: 29243150 DOI: 10.1007/s11356-017-0945-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 12/04/2017] [Indexed: 06/07/2023]
Abstract
Marine fish species were analyzed for culturable and total metagenomic microbial diversity, antibiotic resistance (AR) pattern, and horizontal gene transfer in culturable microorganisms. We observed a high AR microbial load of 3 to 4 log CFU g-1. Many fish pathogens like Providencia, Staphylococcus, Klebsiella pneumoniae, Enterobacter, Vagococcus, and Aeromonas veronii were isolated. Photobacterium and Vibrio were two major fish and human pathogens which were identified in the fish metagenome. Other pathogens that were identified were Shewanella, Acinetobacter, Psychrobacter, and Flavobacterium. Most of these pathogens were resistant to multiple antibiotics such as erythromycin, kanamycin, neomycin, streptomycin, penicillin, cefotaxime, bacitracin, rifampicin, trimethoprim, ciprofloxacin, and doxycycline with a high multiple antibiotic resistance index of 0.54-0.77. The fish microflora showed high prevalence of AR genes like bla TEM, Class I integron, tetA, aph(3')-IIIa, ermB, aadA, and sul1. Nineteen of 26 AR isolates harbored Class I integrons showing high co-resistance to trimethoprim, kanamycin, doxycycline, and cefotaxime. Mobile R-plasmids from 6 of the 12 AR pathogens were transferred to recipient E. coli after conjugation. The transconjugants harbored the same R-plasmid carrying bla CTX-M, dfr1, tetA, bla TEM, and cat genes. This study confirms that fish is a potential carrier of AR pathogens which can enter the human gut via food chain. To the best of our knowledge, this is the first study in the Indian subcontinent reporting a direct evidence of spread of AR pathogens to humans from specific marine fish consumption.
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Affiliation(s)
- Onkar A Naik
- Department of Biotechnology, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400098, India
| | | | - Devashish Rath
- Molecular Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India
| | - Jayant R Bandekar
- Food Technology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India
| | - Archana Rath
- Department of Biotechnology, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400098, India.
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