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Aliev TA, Lavrentev FV, Dyakonov AV, Diveev DA, Shilovskikh VV, Skorb EV. Electrochemical platform for detecting Escherichia coli bacteria using machine learning methods. Biosens Bioelectron 2024; 259:116377. [PMID: 38776798 DOI: 10.1016/j.bios.2024.116377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/24/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
We present an electrochemical platform designed to reduce time of Escherichia coli bacteria detection from 24 to 48-h to 30 min. The presented approach is based on a system which includes gallium-indium (eGaIn) alloy to provide conductivity and a hydrogel system to preserve bacteria and their metabolic species during the analysis. The work is dedicated to accurate and fast detection of Escherichia coli bacteria in different environments with the supply of machine learning methods. Electrochemical data obtained during the analysis is processed via multilayer perceptron model to identify i.e. predict bacterial concentration in the samples. The performed approach provides the effectiveness of bacteria identification in the range of 102-109 colony forming units per ml with the average accuracy of 97%. The proposed bioelectrochemical system combined with machine learning model is prospective for food analysis, agriculture, biomedicine.
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Affiliation(s)
- Timur A Aliev
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia
| | - Filipp V Lavrentev
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia
| | - Alexandr V Dyakonov
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia
| | - Daniil A Diveev
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia
| | - Vladimir V Shilovskikh
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia; Saint Petersburg State University, Universitetskaya Embankment 7-9, Saint-Petersburg, 199034, Russia
| | - Ekaterina V Skorb
- Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg, 191002, Russia.
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2
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Mansouri S. Recent developments of (bio)-sensors for detection of main microbiological and non-biological pollutants in plastic bottled water samples: A critical review. Talanta 2024; 274:125962. [PMID: 38537355 DOI: 10.1016/j.talanta.2024.125962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/27/2024] [Accepted: 03/20/2024] [Indexed: 05/04/2024]
Abstract
The importance of water in all biological processes is undeniable. Ensuring access to clean and safe drinking water is crucial for maintaining sustainable water resources. To elaborate, the consumption of water of inadequate quality can have a repercussion on human health. Furthermore, according to the instability of tap water quality, the consumption rate of bottled water is increasing every day at the global level. Although most people believe bottled water is safe, it can also be contaminated by microbiological or chemical pollution, which can increase the risk of disease. Over the last decades, several conventional analytical tools applied to analyze the contamination of bottled water. On the other hand, some limitations restrict their application in this field. Therefore, biosensors, as emerging analytical method, attract tremendous attention for detection both microbial and chemical contamination of bottled water. Biosensors enjoy several facilities including selectivity, affordability, and sensitivity. In this review, the developed biosensors for analyzing contamination of bottled water were highlighted, as along with working strategies, pros and cons of studies. Challenges and prospects were also examined.
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Affiliation(s)
- Sofiene Mansouri
- Department of Biomedical Technology, College of Applied Medical Sciences in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia; University of Tunis El Manar, Higher Institute of Medical Technologies of Tunis, Laboratory of Biophysics and Medical Technologies, Tunis, Tunisia.
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3
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Swain S, Bej S, Bishoyi AK, Jali BR, Padhy RN. Biosynthesis and characterisations of silver nanoparticles with filamentous cyanobacterium Lyngbya sp. with in vitro antibacterial properties against MDR pathogenic bacteria. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03235-z. [PMID: 38896273 DOI: 10.1007/s00210-024-03235-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 06/10/2024] [Indexed: 06/21/2024]
Abstract
This study describes phycocompounds of the non-N2-fixing filamentous cyanobacterium Lyngbya sp., which has potential bio-reducing and stabilizing heavy metal-accumulating properties for synthesizing silver nanoparticles (AgNPs), whose formation was confirmed by the colour change of the Lyngbya sp.-AgNP solution from pale green to deep brown. The reduction of 'Lyngbya sp.-AgNPs', called Lsp-AgNPs, was proved by UV-visible photo-spectrometry analysis with an obtained peak value at 426 nm. Lsp-AgNPs were characterised by analytical techniques, XRD, FESEM, DLS and FTIR. The XRD analysis with 5-70 theta was obtained at 2ϴ angles ranging from 38.79º with intensity, indicating the crystal structure of Lsp-AgNPs. The FESEM analysis indicated the area size at 20-50 µm; in the DLS analysis, the peak at 400 d nm indicated the size and distribution of Lsp-AgNPs. In FTIR analysis, the peaks were obtained at wavenumbers 3338, 1639, and 542 cm-1, which indicated the presence of N-H, -OH and C=O functional groups in Lsp-AgNPs. Those had in vitro antibacterial activities against Gram-negative Escherichia coli (MTCC 443) and Pseudomonas aeruginosa (MTCC 1688) and Gram-positive Staphylococcus aureus (MTCC 7443) bacterial strains with zone of inhibitions (ZOI) of 16, 12 and 14 mm, respectively, with comparing the antibiotic gentamycin as a positive control, as was monitored with agar-well diffusion method. Furthermore, the MIC value was 50 mg/ml, and MBC values of 65 mg/ml of Lsp-AgNPs were effective against those bacteria. Thus, Lsp-AgNPs had potential antibacterial activities against MDR pathogenic S. aureus, E. coli and P. aeruginosa. In conclusion, MDR pathogenic bacteria could be controlled as prodrugs in the future.
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Affiliation(s)
- Surendra Swain
- Central Research Laboratory, Institute of Medical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, 751003, India
| | - Shuvasree Bej
- Central Research Laboratory, Institute of Medical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, 751003, India
| | - Ajit Kumar Bishoyi
- Department of Clinical Hematology, Institute of Medical Sciences & Sum Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, 751003, India
| | - Bigyan Ranjan Jali
- Department of Chemistry, Veer Surendra Sai University of Technology, Burla, Sambalpur, Odisha, 768018, India
| | - Rabindra Nath Padhy
- Central Research Laboratory, Institute of Medical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, Odisha, 751003, India.
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4
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Shi Z, Lan Y, Wang Y, Yan X, Ma X, Hassan FU, Rushdi HE, Xu Z, Wang W, Deng T. Multi-omics strategy reveals potential role of antimicrobial resistance and virulence factor genes responsible for Simmental diarrheic calves caused by Escherichia coli. mSystems 2024; 9:e0134823. [PMID: 38742910 DOI: 10.1128/msystems.01348-23] [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: 12/12/2023] [Accepted: 04/05/2024] [Indexed: 05/16/2024] Open
Abstract
Escherichia coli (E. coli) is reported to be an important pathogen associated with calf diarrhea. Antibiotic resistance genes (ARGs) and virulence factor genes (VFGs) pose a considerable threat to both animal and human health. However, little is known about the characterization of ARGs and VFGs presented in the gut microbiota of diarrheic calves caused by E. coli. In this study, we used multi-omics strategy to analyze the ARG and VFG profiles of Simmental calves with diarrhea caused by E. coli K99. We found that gut bacterial composition and their microbiome metabolic functions varied greatly in diarrheic calves compared to healthy calves. In total, 175 ARGs were identified, and diarrheal calves showed a significantly higher diversity and abundance of ARGs than healthy calves. Simmental calves with diarrhea showed higher association of VFGs with pili function, curli assembly, and ferrienterobactin transport of E. coli. Co-occurrence patterns based on Pearson correlation analysis revealed that E. coli had a highly significant (P < 0.0001) correlation coefficient (>0.8) with 16 ARGs and 7 VFGs. Metabolomics analysis showed that differentially expressed metabolites in Simmental calves with diarrhea displayed a high correlation with the aforementioned ARGs and VFGs. Phylotype analysis of E. coli genomes showed that the predominant phylogroup B1 in diarrheic Simmental calves was associated with 10 ARGs and 3 VFGs. These findings provide an overview of the diversity and abundance of the gut microbiota in diarrheic calves caused by E. coli and pave the way for further studies on the mechanisms of antibiotic resistance and virulence in the calves affected with diarrhea.IMPORTANCESimmental is a well-recognized beef cattle breed worldwide. They also suffer significant economic losses due to diarrhea. In this study, fecal metagenomic analysis was applied to characterize the antibiotic resistance gene (ARG) and virulence factor gene (VFG) profiles of diarrheic Simmental calves. We identified key ARGs and VFGs correlated with Escherichia coli isolated from Simmental calves. Additionally, metabolomics analysis showed that differentially expressed metabolites in Simmental calves with diarrhea displayed a high correlation with the aforementioned ARGs and VFGs. Our findings provide an insight into the diversity and abundance of the gut microbiota in diarrheic calves caused by Escherichia coli and pave the way for further studies on the mechanisms of antibiotic resistance and virulence in the diarrheal calves from cattle hosts.
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Affiliation(s)
- Zhihai Shi
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Yali Lan
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Yazhou Wang
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Xiangzhou Yan
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Xiaoya Ma
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - Faiz-Ul Hassan
- Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Hossam E Rushdi
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Zhaoxue Xu
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Wenjia Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Tingxian Deng
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
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5
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Yu D, Stothard P, Neumann NF. Emergence of potentially disinfection-resistant, naturalized Escherichia coli populations across food- and water-associated engineered environments. Sci Rep 2024; 14:13478. [PMID: 38866876 PMCID: PMC11169474 DOI: 10.1038/s41598-024-64241-y] [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: 12/19/2023] [Accepted: 06/06/2024] [Indexed: 06/14/2024] Open
Abstract
The Escherichia coli species is comprised of several 'ecotypes' inhabiting a wide range of host and natural environmental niches. Recent studies have suggested that novel naturalized ecotypes have emerged across wastewater treatment plants and meat processing facilities. Phylogenetic and multilocus sequence typing analyses clustered naturalized wastewater and meat plant E. coli strains into two main monophyletic clusters corresponding to the ST635 and ST399 sequence types, with several serotypes identified by serotyping, potentially representing distinct lineages that have naturalized across wastewater treatment plants and meat processing facilities. This evidence, taken alongside ecotype prediction analyses that distinguished the naturalized strains from their host-associated counterparts, suggests these strains may collectively represent a novel ecotype that has recently emerged across food- and water-associated engineered environments. Interestingly, pan-genomic analyses revealed that the naturalized strains exhibited an abundance of biofilm formation, defense, and disinfection-related stress resistance genes, but lacked various virulence and colonization genes, indicating that their naturalization has come at the cost of fitness in the original host environment.
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Affiliation(s)
- Daniel Yu
- School of Public Health, University of Alberta, Edmonton, AB, Canada.
- Antimicrobial Resistance-One Health Consortium, Calgary, AB, Canada.
| | - Paul Stothard
- Department of Agriculture, Food and Nutritional Sciences, University of Alberta, Edmonton, AB, Canada
| | - Norman F Neumann
- School of Public Health, University of Alberta, Edmonton, AB, Canada
- Antimicrobial Resistance-One Health Consortium, Calgary, AB, Canada
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6
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Chen F, Zhou B, Yang L, Zhuang J, Chen X. Assessing the risk of E. coli contamination from manure application in Chinese farmland by integrating machine learning and Phydrus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124345. [PMID: 38852664 DOI: 10.1016/j.envpol.2024.124345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/12/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
This study aims to present a comprehensive study on the risks associated with the residual presence and transport of Escherichia coli (E. coli) in soil following the application of livestock manure in Chinese farmlands by integrating machine learning algorithms with mechanism-based models (Phydrus). We initially review 28 published papers to gather data on E. coli's die-off and attachment characteristics in soil. Machine learning models, including deep learning and gradient boosting machine, are employed to predict key parameters such as the die-off rate of E. coli and first-order attachment coefficient in soil. Then, Phydrus was used to simulate E. coli transport and survival in 23692 subregions in China. The model considered regional differences in E. coli residual risk and transport, influenced by soil properties, soil depths, precipitation, seasonal variations, and regional disparities. The findings indicate higher residual risks in regions such as the Northeast China, Eastern Qinghai-Tibet Plateau, and pronounced transport risks in the fringe of the Sichuan Basin fringe, the Loess Plateau, the North China Plain, the Northeast Plain, the Shigatse Basin, and the Shangri-La region. The study also demonstrates a significant reduction in both residual and transport risks one month after manure application, highlighting the importance of timing manure application and implementing region-specific standards. This research contributes to the broader understanding of pathogen behavior in agricultural soils and offers practical guidelines for managing the risks associated with manure use. This study's comprehensive method offers a potentially valuable tool for evaluating microbial contaminants in agricultural soils across the globe.
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Affiliation(s)
- Fengxian Chen
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
| | - Bin Zhou
- Chair of model-based environmental exposure science, Faculty of Medicine, University of Augsburg, Augsburg 86159, Germany
| | - Liqiong Yang
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
| | - Jie Zhuang
- Department of Biosystems Engineering and Soil Science, Institute for a Secure and Sustainable Environment, The University of Tennessee, Knoxville, TN 37996, United States
| | - Xijuan Chen
- Sino-Spain Joint Laboratory for Agricultural Environment Emerging Contaminants of Zhejiang Province, College of Environmental and Resource Sciences, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China.
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7
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Swarthout J, Mureithi M, Mboya J, Arnold BF, Wolfe MK, Dentz HN, Lin A, Arnold CD, Rao G, Stewart CP, Clasen T, Colford JM, Null C, Pickering AJ. Addressing Fecal Contamination in Rural Kenyan Households: The Roles of Environmental Interventions and Animal Ownership. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:9500-9514. [PMID: 38760010 PMCID: PMC11155254 DOI: 10.1021/acs.est.3c09419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 05/19/2024]
Abstract
Combined water, sanitation, and handwashing (WSH) interventions could reduce fecal contamination along more transmission pathways than single interventions alone. We measured Escherichia coli levels in 3909 drinking water samples, 2691 child hand rinses, and 2422 toy ball rinses collected from households enrolled in a 2-year cluster-randomized controlled trial evaluating single and combined WSH interventions. Water treatment with chlorine reduced E. coli in drinking water. A combined WSH intervention improved water quality by the same magnitude but did not affect E. coli levels on hands or toys. One potential explanation for the limited impact of the sanitation intervention (upgraded latrines) is failure to address dog and livestock fecal contamination. Small ruminant (goat or sheep) ownership was associated with increased E. coli levels in stored water and on child hands. Cattle and poultry ownership was protective against child stunting, and domesticated animal ownership was not associated with child diarrhea. Our findings do not support restricting household animal ownership to prevent child diarrheal disease or stunting but do support calls for WSH infrastructure that can more effectively reduce household fecal contamination.
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Affiliation(s)
- Jenna
M. Swarthout
- Department
of Civil and Environmental Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | | | - John Mboya
- Innovations
for Poverty Action, Nairobi 00200, Kenya
- Department
of Civil and Environmental Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Benjamin F. Arnold
- Francis
I. Proctor Foundation, Department of Ophthalmology and Institute for
Global Health Sciences, University of California,
San Francisco, San Francisco, California 94158, United States
| | - Marlene K. Wolfe
- Gangarosa
Department of Environmental Health, Emory
University, Atlanta, Georgia 30322, United States
| | - Holly N. Dentz
- Institute
for Global Nutrition, University of California,
Davis, Davis, California 95616, United States
| | - Audrie Lin
- Department
of Microbiology and Environmental Toxicology, University of California, Santa Cruz, Santa Cruz, California 95064, United States
| | - Charles D. Arnold
- Institute
for Global Nutrition, University of California,
Davis, Davis, California 95616, United States
| | - Gouthami Rao
- Department
of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Christine P. Stewart
- Institute
for Global Nutrition, University of California,
Davis, Davis, California 95616, United States
| | - Thomas Clasen
- Gangarosa
Department of Environmental Health, Emory
University, Atlanta, Georgia 30322, United States
| | - John M. Colford
- School
of Public Health, Division of Epidemiology, University of California, Berkeley, Berkeley, California 94720, United States
| | - Clair Null
- Mathematica, Washington, District of
Columbia 20002, United States
| | - Amy J. Pickering
- Department
of Civil and Environmental Engineering, Tufts University, Medford, Massachusetts 02155, United States
- Department
of Civil and Environmental Engineering, University of California, Berkeley, Berkeley, California 94720, United States
- Chan
Zuckerberg Biohub San Francisco, San Francisco, California 94158, United States
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8
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Mills M, Davis A, Lancaster E, Choi B, Martin J, Winston R, Lee J. Longitudinal Analysis of Urban Stormwater Microbiome and Resistome from Watersheds with and without Green Infrastructure using Long-Read Sequencing. WATER RESEARCH 2024; 259:121873. [PMID: 38852387 DOI: 10.1016/j.watres.2024.121873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 05/14/2024] [Accepted: 06/02/2024] [Indexed: 06/11/2024]
Abstract
Since stormwater conveys a variety of contaminants into water bodies, green infrastructure (GI) is increasingly being adopted as an on-site treatment solution in addition to controlling peak flows. The purpose of this study was to identify differences in microbial water quality of stormwater in watersheds retrofitted with GI vs. those without GI. Considering stormwater is recently recognized as a contributor to the antibiotic resistance (AR) threat, another goal of this study was to characterize changes in the microbiome and collection of AR genes (resistome) of urban stormwater with season, rainfall characteristics, and fecal contamination. MinION long-read sequencing was used to analyze stormwater microbiome and resistome from watersheds with and without GI in Columbus, Ohio, United States, over 18 months. We characterized fecal contamination in stormwater via culturing Escherichia coli and with molecular microbial source tracking (MST) to identify sources of fecal contamination. Overall, season and storm event (rainfall) characteristics had the strongest relationships with changes in the stormwater microbiome and resistome. We found no significant differences in microbial water quality or the microbiome of stormwater in watersheds with and without GI implemented. However, there were differences between the communities of microorganisms hosting antibiotic resistance genes (ARGs) in stormwater from watersheds with and without GI, indicating the potential sensitivity of AR bacteria to treatment. Stormwater was contaminated with high concentrations of human-associated fecal bacterial genes, and the ARG host bacterial community had considerable similarities to human feces/wastewater. We also identified 15 potential pathogens hosting ARGs in these stormwater resistome, including vancomycin-resistant Enterococcus faecium (VRE) and multidrug-resistant Pseudomonas aeruginosa. In summary, urban stormwater is highly contaminated and has a great potential to spread AR and microbial hazards to nearby environments. This study presents the most comprehensive analysis of stormwater microbiome and resistome to date, which is crucial to understanding the potential microbial risk from this matrix. This information can be used to guide future public health policy, stormwater reuse programs, and urban runoff treatment initiatives.
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Affiliation(s)
- Molly Mills
- Division of Environmental Health Sciences, College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Angela Davis
- Environmental Sciences Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Emma Lancaster
- Environmental Sciences Graduate Program, The Ohio State University, Columbus, OH, USA
| | - Boseung Choi
- Division of Big Data Science, Korea University, Sejong, Republic of Korea
| | - Jay Martin
- Environmental Sciences Graduate Program, The Ohio State University, Columbus, OH, USA; Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, OH, USA; Sustainability Institute, The Ohio State University, Columbus, OH, USA
| | - Ryan Winston
- Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, OH, USA; Department of Civil, Environmental, and Geodetic Engineering, The Ohio State University, Columbus, OH, USA
| | - Jiyoung Lee
- Division of Environmental Health Sciences, College of Public Health, The Ohio State University, Columbus, OH, USA; Department of Food Science & Technology, The Ohio State University, Columbus, OH, USA; Infectious Diseases Institute, The Ohio State University, Columbus, OH, USA.
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9
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Han Y, Yu X, Cao Y, Liu J, Wang Y, Liu Z, Lyu C, Li Y, Jin X, Zhang Y, Zhang Y. Transport and risk of airborne pathogenic microorganisms in the process of decentralized sewage discharge and treatment. WATER RESEARCH 2024; 256:121646. [PMID: 38657309 DOI: 10.1016/j.watres.2024.121646] [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: 11/30/2023] [Revised: 04/03/2024] [Accepted: 04/18/2024] [Indexed: 04/26/2024]
Abstract
Sewage treatment processes are a critical anthropogenic source of bioaerosols and may present significant health risks to plant workers. Compared with the specialization and scale of urban sewage treatment, many decentralized treatment models are flexible and extensive. These treatment facilities are usually close to residential areas owing to the pipe network layout and other restrictions. Bioaerosols generated by these facilities may present a serious and widespread occupational and non-occupational exposure risk to nearby residents, particularly the elderly and children. An understanding of the characteristics and exposure risks of bioaerosols produced during decentralized sewage treatment is lacking. We compared bioaerosol emission characteristics and potential exposure risks under four decentralized sewage discharge methods and treatment models: small container collection (SCC), open-channel discharge (OCD), single household/combined treatment (SHCT), and centralized treatment (CT) in northwest China. The OCD mode had the highest bioaerosol production, whereas the CT mode had the lowest. The OCD model contained the most pathogenic bacterial species, up to 43 species, including Sphingomonas, Pseudomonas, Cladosporium, and Alternaria. Risk assessments indicated bioaerosol exposure was lower in the models with sewage treatment (SHCT and CT) than in those without (SCC and OCD). Different populations exhibited large variations in potential risks owing to differences in time spent indoors and outdoors. The highest risk was observed in males exposed to the SCC model. This study provides a theoretical basis and theories for the future joint prevention and control of the bioaerosol exposure risk from decentralized sewage treatment.
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Affiliation(s)
- Yunping Han
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
| | - Xuezheng Yu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Yingnan Cao
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Jianguo Liu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China.
| | - Ying Wang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Zipeng Liu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Chenlei Lyu
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Yilin Li
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Xu Jin
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Yuxiang Zhang
- Key Laboratory of Environmental Pollution Control and Remediation at Universities of Inner Mongolia Autonomous Region, College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, PR China
| | - Yu Zhang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
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10
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Malaluang P, Niazi A, Guo Y, Nagel C, Guimaraes T, Rocha A, Aurich C, Morrell JM. Bacterial diversity in semen from stallions in three European countries evaluated by 16S sequencing. Vet Res Commun 2024; 48:1409-1421. [PMID: 38305959 PMCID: PMC11147884 DOI: 10.1007/s11259-024-10321-3] [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: 11/11/2023] [Accepted: 01/30/2024] [Indexed: 02/03/2024]
Abstract
The microbiome plays a significant role in shaping the health and functioning of the systems it inhabits. The seminal microbiome of stallions has implications for the health of the reproductive tract, sperm quality during preservation and antibiotic use in semen extenders. Diverse bacteria are present on the external genital tract and a mix of commensal microorganisms populates various parts of the reproductive tract, influencing the seminal bacterial content. Other sources of bacteria include the environment, semen collection equipment, and personnel. The bacterial load can adversely affect sperm quality and fertility, particularly in artificial insemination, where semen is extended and stored before use. Antibiotics are frequently used to inhibit bacterial growth, but their effectiveness varies depending on the bacterial strains present. The aim of this study was to assess the bacterial diversity in semen from 37 healthy stallions across three European nations (Germany, Portugal, and Sweden) using 16S sequencing. Semen samples were collected from individual stallions at three AI centers; DNA extraction, sequencing, and bioinformatic analysis were performed. Differences in bacterial diversity among the stallions were seen; although bacterial phyla were shared across the regions, differences were observed at the genus level. Climate, husbandry practices, and individual variability likely contribute to these differences. These findings underscore the importance of tailoring antibiotic strategies for semen preservation based on regional bacterial profiles. The study presents a comprehensive approach to understanding the intricacies of the stallion seminal microbiome and its potential implications for reproductive technologies and animal health.
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Affiliation(s)
- Pongpreecha Malaluang
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, 75007, Sweden
- Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, 40000, Thailand
| | - Adnan Niazi
- SLU-Global Bioinformatics Centre, Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences (SLU), Uppsala, SE-750 07, Sweden
- Science for Life Laboratory, National Bioinformatics Infrastructure Sweden (NBIS), Uppsala University, Uppsala, SE-752 36, Sweden
| | - Yongzhi Guo
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, 75007, Sweden
| | - Christina Nagel
- Graf Lehndorff Institute for Equine Science, University of Veterinary Medicine, Vienna, Austria
| | - Tiago Guimaraes
- School of Medicine and Biomedical Sciences (ICBAS), University of Porto (UP), Porto, Portugal
- Center for the Study of Animal Sciences (CECA), ICETA, University of Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Antonio Rocha
- School of Medicine and Biomedical Sciences (ICBAS), University of Porto (UP), Porto, Portugal
- Center for the Study of Animal Sciences (CECA), ICETA, University of Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Christine Aurich
- Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | - Jane M Morrell
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, 75007, Sweden.
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11
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Tettey R, Egyir B, Tettey P, Arko-Mensah J, Addo SO, Owusu-Nyantakyi C, Boateng W, Fobil J. Genomic analysis of multidrug-resistant Escherichia coli from Urban Environmental water sources in Accra, Ghana, Provides Insights into public health implications. PLoS One 2024; 19:e0301531. [PMID: 38787855 PMCID: PMC11125565 DOI: 10.1371/journal.pone.0301531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/18/2024] [Indexed: 05/26/2024] Open
Abstract
Wastewater discharge into the environment in resource-poor countries poses a threat to public health. Studies in this area within these countries are limited, and the use of high-throughput whole-genome sequencing technologies is lacking. Therefore, understanding of environmental impacts is inadequate. The present study investigated the antibiotic resistance profiles and diversity of beta-lactamases in Escherichia coli strains isolated from environmental water sources in Accra, Ghana. Microbiological analyses were conducted on wastewater samples from three hospitals, a sewage and wastewater treatment plant, and water samples from two urban surface water bodies. Confirmed isolates (N = 57) were selected for phenotypic antibiotic resistance profiles. Multi-drug-resistant isolates (n = 25) were genome sequenced using Illumina MiSeq sequencing technology and screened for sequence types, antibiotic resistance, virulence and beta-lactamase genes, and mobile genetic elements. Isolates were frequently resistant to ampicillin (63%), meropenem (47%), azithromycin (46%), and sulfamethoxazole-trimethoprim (42%). Twenty different sequence types (STs) were identified, including clinically relevant ones such as ST167 and ST21. Five isolates were assigned to novel STs: ST14531 (n = 2), ST14536, ST14537, and ST14538. The isolates belonged to phylogroups A (52%), B1 (44%), and B2 (4%) and carried β-lactamase (TEM-1B, TEM-1C, CTX-M-15, and blaDHA-1) and carbapenemase (OXA-1, OXA-181) resistance genes. Dominant plasmid replicons included Col440I (10.2%) and IncFIB (AP001918) (6.8%). Polluted urban environments in Accra are reservoirs for antibiotic-resistant bacteria, posing a substantial public health risk. The findings underscore the need for targeted public health interventions to mitigate the spread of antibiotic-resistant bacteria and protect public health.
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Affiliation(s)
- Rebecca Tettey
- Department of Biological, Environmental, and Occupational Health Science, School of Public Health, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Beverly Egyir
- West African Center for Global Environmental & Occupational Health, College of Health Sciences, University of Ghana, Accra, Ghana
- Department of Bacteriology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Prudence Tettey
- Department of Biological, Environmental, and Occupational Health Science, School of Public Health, College of Health Sciences, University of Ghana, Accra, Ghana
| | - John Arko-Mensah
- Department of Biological, Environmental, and Occupational Health Science, School of Public Health, College of Health Sciences, University of Ghana, Accra, Ghana
- West African Center for Global Environmental & Occupational Health, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Samuel Ofori Addo
- Department of Bacteriology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Christian Owusu-Nyantakyi
- Department of Bacteriology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Accra, Ghana
| | - William Boateng
- Department of Bacteriology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Julius Fobil
- West African Center for Global Environmental & Occupational Health, College of Health Sciences, University of Ghana, Accra, Ghana
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12
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Jaleta M, Junker V, Kolte B, Börger M, Werner D, Dolsdorf C, Schwenker J, Hölzel C, Zentek J, Amon T, Nübel U, Kabelitz T. Improvements of weaned pigs barn hygiene to reduce the spread of antimicrobial resistance. Front Microbiol 2024; 15:1393923. [PMID: 38812683 PMCID: PMC11135127 DOI: 10.3389/fmicb.2024.1393923] [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: 02/29/2024] [Accepted: 04/17/2024] [Indexed: 05/31/2024] Open
Abstract
The spread of antimicrobial resistance (AMR) in animal husbandry is usually attributed to the use of antibiotics and poor hygiene and biosecurity. We therefore conducted experimental trials to improve hygiene management in weaned pig houses and assessed the impact on the spread. For each of the two groups examined, the experimental group (EG) and the control group (CG), three replicate batches of piglets from the same pig breeder, kept in pre-cleaned flat decks, were analyzed. In the flat decks of the experimental groups, the hygiene conditions (cleaning, disinfection, dust removal and fly control) were improved, while regular hygiene measures were carried out in the control groups. The occurrence and spread of AMR were determined in Escherichia coli (E. coli; resistance indicator) using cultivation-dependent (CFU) and -independent (qPCR) methods as well as whole genome sequencing of isolates in samples of various origins, including feces, flies, feed, dust and swabs. Surprisingly, there were no significant differences (p > 0.05) in the prevalence of resistant E. coli between the flat decks managed with conventional techniques and those managed with improved techniques. Selective cultivation delivered ampicillin- and sulfonamide-resistant E. coli proportions of up to 100% and 1.2%, respectively. While 0.5% E. coli resistant to cefotaxime and no ciprofloxacin resistance were detected. There was a significant difference (p < 0.01) in the abundance of the blaTEM-1 gene in fecal samples between EG and CG groups. The colonization of piglets with resistant pathogens before arrival, the movement of flies in the barn and the treatment of bacterial infections with antibiotics obscured the effects of hygiene improvement. Biocide tolerance tests showed no development of resistance to the farm regular disinfectant. Managing hygiene alone was insufficient for reducing antimicrobial resistances in piglet rearing. We conclude that the complex factors contributing to the presence and distribution of AMR in piglet barns underscore the necessity for a comprehensive management strategy.
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Affiliation(s)
- Megarsa Jaleta
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
- Dahlem Research School, Freie Universität Berlin, Berlin, Germany
| | - Vera Junker
- Leibniz-Institute DSMZ—German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
| | - Baban Kolte
- Leibniz-Institute DSMZ—German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
- Technical University Braunschweig, Institute of Microbiology, Braunschweig, Germany
| | - Maria Börger
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
| | - Doreen Werner
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
| | - Claudia Dolsdorf
- Teaching and Research Station for Animal Breeding and Husbandry (LVAT), Ruhlsdorf, Germany
| | - Julia Schwenker
- Faculty of Agricultural and Nutritional Sciences Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Christina Hölzel
- Faculty of Agricultural and Nutritional Sciences Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Jürgen Zentek
- Institute of Animal Nutrition, Free University Berlin, Berlin, Germany
| | - Thomas Amon
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
- Institute for Animal Hygiene and Environmental Health (ITU), Free University Berlin, Berlin, Germany
| | - Ulrich Nübel
- Leibniz-Institute DSMZ—German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
- Technical University Braunschweig, Institute of Microbiology, Braunschweig, Germany
- German Center for Infection Research (DZIF), Partner Site Braunschweig-Hannover, Braunschweig, Germany
| | - Tina Kabelitz
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
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13
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Oliveira-Silva M, Goulart RS, Moraes MA, Nakamura-Silva R, Fujimoto RY, Sousa RC, Kobayashi RKT, Medeiros LP, Nakazato G, Pitondo-Silva A. Multidrug-resistant Escherichia coli strains isolated from swine manure biofertilizer in Brazil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:534. [PMID: 38727864 DOI: 10.1007/s10661-024-12658-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 03/30/2024] [Indexed: 06/21/2024]
Abstract
Escherichia coli is one of the key bacteria responsible for a variety of diseases in humans and livestock-associated infections around the globe. It is the leading cause of mortality in neonatal and weaned piglets in pig husbandry, causing diarrhea and significant harm to the industry. Furthermore, the frequent and intensive use of antimicrobials for the prevention of diseases, particularly gastrointestinal diseases, may promote the selection of multidrug-resistant (MDR) strains. These resistant genotypes can be transmitted through the excrement of animals, including swine. It is common practice to use porcine manure processed by biodigesters as fertilizer. This study aimed to examine the antimicrobial susceptibility, the presence of virulence genes frequently associated with pathotypes of intestinal pathogenic E. coli (InPEC), and antimicrobial resistance genes (ARGs) of 28 E. coli isolates collected from swine manure fertilizers. In addition, the enterobacterial repetitive intergenic consensus-PCR (ERIC-PCR) technique was used to investigate the genetic relationship among the strains. Using disk diffusion, the antimicrobial susceptibility profiles of the strains were determined. Using polymerase chain reaction (PCR), 14 distinct virulence genes associated with the most prevalent diarrhea and intestinal pathogenic E. coli (DEC/InPEC) and five ARGs were analyzed. All isolates tested positive for multidrug resistance. There was no detection of any of the 14 virulence genes associated with InPECs, indicating the presence of an avirulent commensal microbiota. Molecular classification by ERIC-PCR revealed that the majority of isolates (27 isolates) coalesced into a larger cluster with a genetic similarity of 47.7%; only one strain did not cluster in this cluster, indicating a high level of genetic diversity among the analyzed isolates. Thus, it is of the utmost importance to conduct epidemiological surveillance of animal breeding facilities in order to determine their microbiota and formulate plans to reduce the use of antimicrobials and improve animal welfare.
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Affiliation(s)
- Mariana Oliveira-Silva
- Universidade de Ribeirão Preto (UNAERP), Avenida Costábile Romano, N° 2201. Bloco J, Lab. 1, Ribeirânia., Ribeirão Preto, SP, CEP 14096-900, Brazil
| | - Rafael Silva Goulart
- Universidade de Ribeirão Preto (UNAERP), Avenida Costábile Romano, N° 2201. Bloco J, Lab. 1, Ribeirânia., Ribeirão Preto, SP, CEP 14096-900, Brazil
| | - Miguel Augusto Moraes
- Universidade de Ribeirão Preto (UNAERP), Avenida Costábile Romano, N° 2201. Bloco J, Lab. 1, Ribeirânia., Ribeirão Preto, SP, CEP 14096-900, Brazil
| | - Rafael Nakamura-Silva
- Universidade de Ribeirão Preto (UNAERP), Avenida Costábile Romano, N° 2201. Bloco J, Lab. 1, Ribeirânia., Ribeirão Preto, SP, CEP 14096-900, Brazil
| | - Rodrigo Yudi Fujimoto
- Empresa Brasileira de Pesquisa Agropecuária-EMBRAPA, Unidade Tabuleiros Costeios, Av. Beira Mar, 3250 Jardins, Aracaju, Sergipe, CEP 49025040, Brazil
| | - Ricardo Coelho Sousa
- Empresa Brasileira de Pesquisa Agropecuária-EMBRAPA, Unidade Tabuleiros Costeios, Av. Beira Mar, 3250 Jardins, Aracaju, Sergipe, CEP 49025040, Brazil
| | - Renata Katsuko Takayama Kobayashi
- Laboratório de Bacteriologia Básica E Aplicada, Departamento de Microbiologia, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445 Km 380, Londrina, PR, CEP 86057-970, Brazil
| | - Leonardo Pinto Medeiros
- Laboratório de Bacteriologia Básica E Aplicada, Departamento de Microbiologia, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445 Km 380, Londrina, PR, CEP 86057-970, Brazil
| | - Gerson Nakazato
- Laboratório de Bacteriologia Básica E Aplicada, Departamento de Microbiologia, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR 445 Km 380, Londrina, PR, CEP 86057-970, Brazil
| | - André Pitondo-Silva
- Universidade de Ribeirão Preto (UNAERP), Avenida Costábile Romano, N° 2201. Bloco J, Lab. 1, Ribeirânia., Ribeirão Preto, SP, CEP 14096-900, Brazil.
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14
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Cui J, Wu B, Zhou J. Changes in amino acids, catechins and alkaloids during the storage of oolong tea and their relationship with antibacterial effect. Sci Rep 2024; 14:10424. [PMID: 38710752 DOI: 10.1038/s41598-024-60951-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
The storage process has a significant impact on tea quality. Few is known about effect of storage on quality of oolong tea. This study aimed to assess the effect of different storage times on the key chemical components of oolong tea by measuring changes in catechin, free amino acid, and alkaloid content. Variation in the main substances was determined by principal component analysis and heat map analysis. The results revealed notable effects of the storage process on the levels of theanine, epigallocatechin gallate (EGCG), and glutamine. These findings suggest that these compounds could serve as indicators for monitoring changes in oolong tea quality during storage. Additionally, the study observed an increase in the antibacterial ability of tea over time. Correlation analysis indicated that the antibacterial ability against Micrococcus tetragenus and Escherichia coli was influenced by metabolites such as aspartic acid, threonine, serine, gamma-aminobutyric acid, ornithine, alanine, arginine, and EGCG. Overall, this study presents an approach for identifying key metabolites to monitor tea quality effectively with relatively limited data.
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Affiliation(s)
- Jilai Cui
- College of Life Science, Xinyang Normal University, 237 Nanhu R., Xinyang, 464000, Henan, People's Republic of China.
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, 230036, Anhui, People's Republic of China.
| | - Bin Wu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, 230036, Anhui, People's Republic of China
| | - Jie Zhou
- College of Life Science, Xinyang Normal University, 237 Nanhu R., Xinyang, 464000, Henan, People's Republic of China
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15
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Zhong T, Wu H, Hu J, Liu Y, Zheng Y, Li N, Sun Z, Yin XF, He QY, Sun X. Two synonymous single-nucleotide polymorphisms promoting fluoroquinolone resistance of Escherichia coli in the environment. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133849. [PMID: 38432089 DOI: 10.1016/j.jhazmat.2024.133849] [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: 12/23/2023] [Revised: 02/05/2024] [Accepted: 02/19/2024] [Indexed: 03/05/2024]
Abstract
Single-nucleotide polymorphism (SNP) is one of the core mechanisms that respond to antibiotic resistance of Escherichia coli (E. coli), which is a major issue in environmental pollution. A specific type of SNPs, synonymous SNPs, have been generally considered as the "silent" SNPs since they do not change the encoded amino acid. However, the impact of synonymous SNPs on mRNA splicing, nucleo-cytoplasmic export, stability, and translation was gradually discovered in the last decades. Figuring out the mechanism of synonymous SNPs in regulating antibiotic resistance is critical to improve antimicrobial therapy strategies in clinics and biological treatment strategies of antibiotic-resistant E. coli-polluted materials. With our newly designed antibiotic resistant SNPs prediction algorithm, Multilocus Sequence Type based Identification for Phenotype-single nucleotide polymorphism Analysis (MIPHA), and in vivo validation, we identified 2 important synonymous SNPs 522 G>A and 972 C>T, located at hisD gene, which was previously predicted as a fluoroquinolone resistance-related gene without a detailed mechanism in the E. coli samples with environmental backgrounds. We first discovered that hisD causes gyrA mutation via the upregulation of sbmC and its downstream gene umuD. Moreover, those 2 synonymous SNPs of hisD cause its own translational slowdown and further reduce the expression levels of sbmC and its downstream gene umuD, making the fluoroquinolone resistance determining region of gyrA remains unmutated, ultimately causing the bacteria to lose their ability to resist drugs. This study provided valuable insight into the role of synonymous SNPs in mediating antibiotic resistance of bacteria and a new perspective for the treatment of environmental pollution caused by drug-resistant bacteria.
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Affiliation(s)
- Tairan Zhong
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Haiming Wu
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Jiehua Hu
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yun Liu
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yundan Zheng
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Nan Li
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Zhenghua Sun
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Xing-Feng Yin
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Qing-Yu He
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China.
| | - Xuesong Sun
- MOE Key Laboratory of Tumor Molecular Biology and State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China.
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16
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Moinet M, Collis RM, Rogers L, Devane ML, Biggs PJ, Stott R, Marshall J, Muirhead R, Cookson AL. Development of a multiplex droplet digital PCR assay for simultaneous detection and quantification of Escherichia coli, E. marmotae, and E. ruysiae in water samples. J Microbiol Methods 2024; 220:106909. [PMID: 38432551 DOI: 10.1016/j.mimet.2024.106909] [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: 12/03/2023] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Escherichia coli are widely used by water quality managers as Fecal Indicator Bacteria, but current quantification methods do not differentiate them from benign, environmental Escherichia species such as E. marmotae (formerly named cryptic clade V) or E. ruysiae (cryptic clades III and IV). Reliable and specific techniques for their identification are required to avoid confounding microbial water quality assessments. To address this, a multiplex droplet digital PCR (ddPCR) assay targeting lipB (E. coli and E. ruysiae) and bglC (E. marmotae) was designed. The ddPCR performance was assessed using in silico analysis; genomic DNA from 40 local, international, and reference strains of target and non-target coliforms; and spiked water samples in a range relevant to water quality managers (1 to 1000 cells/100 mL). Results were compared to an analogous quantitative PCR (qPCR) and the Colilert method. Both PCR assays showed excellent sensitivity with a limit of detection of 0.05 pg/μL and 0.005 pg/μl for ddPCR and qPCR respectively, and of quantification of 0.5 pg/μL of genomic DNA. The ddPCR allowed differentiation and quantification of three Escherichia species per run by amplitude multiplexing and showed a high concordance with concentrations measured by Colilert once proportional bias was accounted for. In silico specificity testing underlined the possibility to further detect and distinguish Escherichia cryptic clade VI. Finally, the applicability of the ddPCR was successfully tested on environmental water samples where E. marmotae and E. ruysiae potentially confound E. coli counts based on the Most Probable Number method, highlighting the utility of this novel ddPCR as an efficient and rapid discriminatory test to improve water quality assessments.
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Affiliation(s)
- Marie Moinet
- AgResearch Ltd., Food Systems Integrity Team, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand.
| | - Rose M Collis
- AgResearch Ltd., Food Systems Integrity Team, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand.
| | - Lynn Rogers
- AgResearch Ltd., Food Systems Integrity Team, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand; Massey University, (m)EpiLab, School of Veterinary Science, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand.
| | - Megan L Devane
- Institute of Environmental Science and Research Ltd. (ESR), 27 Creyke Rd, Ilam, 8041 Christchurch, New Zealand.
| | - Patrick J Biggs
- Massey University, (m)EpiLab, School of Veterinary Science, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand; Massey University, School of Natural Sciences, Tennent Drive, 4442 Palmerston North, New Zealand.
| | - Rebecca Stott
- National Institute of Water and Atmospheric Research (NIWA), Gate 10 Silverdale Road, Hillcrest, 3216 Hamilton, New Zealand.
| | - Jonathan Marshall
- Massey University, School of Mathematical and Computational Sciences, Tennent Drive, 4442 Palmerston North, New Zealand.
| | - Richard Muirhead
- AgResearch Ltd., Ethical Agriculture, Invermay, 176 Puddle Alley, 9092, Mosgiel, New Zealand.
| | - Adrian L Cookson
- AgResearch Ltd., Food Systems Integrity Team, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand; Massey University, (m)EpiLab, School of Veterinary Science, Hopkirk Research Institute, Tennent Drive, 4442 Palmerston North, New Zealand.
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17
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Yan Y, Xu J, Huang W, Fan Y, Li Z, Tian M, Ma J, Lu X, Liang J. Metagenomic and Culturomics Analysis of Microbial Communities within Surface Sediments and the Prevalence of Antibiotic Resistance Genes in a Pristine River: The Zaqu River in the Lancang River Source Region, China. Microorganisms 2024; 12:911. [PMID: 38792738 PMCID: PMC11124135 DOI: 10.3390/microorganisms12050911] [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: 04/14/2024] [Revised: 04/26/2024] [Accepted: 04/28/2024] [Indexed: 05/26/2024] Open
Abstract
Microbial communities inhabiting sedimentary environments in river source regions serve as pivotal indicators of pristine river ecosystems. While the correlation between antibiotic resistome and pathogenicity with core gut bacteria in humans is well established, there exists a significant knowledge gap concerning the interaction of antibiotic resistance genes (ARGs) and human pathogenic bacteria (HPB) with specific microbes in river source basins, often referred to as "terrestrial gut". Understanding the microbial composition, including bacteria and resident genetic elements such as ARGs, HPB, Mobile Genetic Elements (MGEs), and Virulence Factors (VFs), within natural habitats against the backdrop of global change, is imperative. To address this gap, an enrichment-based culturomics complementary along with metagenomics was conducted in this study to characterize the microbial biobank and provide preliminary ecological insights into profiling the dissemination of ARGs in the Lancang River Source Basin. Based on our findings, in the main stream of the Lancang River Source Basin, 674 strains of bacteria, comprising 540 strains under anaerobic conditions and 124 under aerobic conditions, were successfully isolated. Among these, 98 species were identified as known species, while 4 were potential novel species. Of these 98 species, 30 were HPB relevant to human health. Additionally, bacA and bacitracin emerged as the most abundant ARGs and antibiotics in this river, respectively. Furthermore, the risk assessment of ARGs predominantly indicated the lowest risk rank (Rank Ⅳ) in terms of endangering human health. In summary, enrichment-based culturomics proved effective in isolating rare and unknown bacteria, particularly under anaerobic conditions. The emergence of ARGs showed limited correlation with MGEs, indicating minimal threats to human health within the main stream of the Lancang River Source Basin.
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Affiliation(s)
- Yi Yan
- School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (J.X.); (W.H.); (M.T.); (J.M.)
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
| | - Jialiang Xu
- School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (J.X.); (W.H.); (M.T.); (J.M.)
| | - Wenmin Huang
- School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (J.X.); (W.H.); (M.T.); (J.M.)
| | - Yufeng Fan
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Y.F.); (Z.L.)
| | - Zhenpeng Li
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Y.F.); (Z.L.)
| | - Mingkai Tian
- School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (J.X.); (W.H.); (M.T.); (J.M.)
| | - Jinsheng Ma
- School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (J.X.); (W.H.); (M.T.); (J.M.)
| | - Xin Lu
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Y.F.); (Z.L.)
| | - Jian Liang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
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18
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Ahmed WI, Mohammed AN, Sleim ASA. Efficacy evaluation of hydrogen peroxide disinfectant based zinc oxide nanoparticles against diarrhea causing Escherichia coli in ruminant animals and broiler chickens. Sci Rep 2024; 14:9159. [PMID: 38644372 PMCID: PMC11033286 DOI: 10.1038/s41598-024-59280-4] [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: 01/15/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024] Open
Abstract
Different strains of Escherichia coli that exhibit genetic characteristics linked to diarrhea pose a major threat to both human and animal health. The purpose of this study was to determine the prevalence of pathogenic Escherichia coli (E. coli), the genetic linkages and routes of transmission between E. coli isolates from different animal species. The efficiency of disinfectants such as hydrogen peroxide (H2O2), Virkon®S, TH4+, nano zinc oxide (ZnO NPs), and H2O2-based zinc oxide nanoparticles (H2O2/ZnO NPs) against isolated strains of E. coli was evaluated. Using 100 fecal samples from different diarrheal species (cow n = 30, sheep n = 40, and broiler chicken n = 30) for E. coli isolation and identification using the entero-bacterial repetitive intergenic consensus (ERIC-PCR) fingerprinting technique. The E. coli properties isolated from several diarrheal species were examined for their pathogenicity in vitro. Scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM), Fourier-transform infrared spectrum (FT-IR), X-ray diffraction (XRD), zeta potential, and particle size distribution were used for the synthesis and characterization of ZnO NPs and H2O2/ZnO NPs. The broth macro-dilution method was used to assess the effectiveness of disinfectants and disinfectant-based nanoparticles against E. coli strains. Regarding the results, the hemolytic activity and Congo red binding assays of pathogenic E. coli isolates were 55.3 and 44.7%, respectively. Eleven virulent E. coli isolates were typed into five ERIC-types (A1, A2, B1, B2, and B3) using the ERIC-PCR method. These types clustered into two main clusters (A and B) with 75% similarity. In conclusion, there was 90% similarity between the sheep samples' ERIC types A1 and A2. On the other hand, 89% of the ERIC types B1, B2, and B3 of cows and poultry samples were comparable. The H2O2/ZnO NPs composite exhibits potential antibacterial action against E. coli isolates at 0.04 mg/ml after 120 min of exposure.
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Affiliation(s)
- Walaa I Ahmed
- Bacteriology Lab., Alexandria Provincial Lab., Animal Health Research Institute, Agriculture Research Center (ARC), Giza, Egypt
| | - Asmaa N Mohammed
- Department of Hygiene, Zoonoses and Epidemiology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Al-Shimaa A Sleim
- Bacteriology Lab., Alexandria Provincial Lab., Animal Health Research Institute, Agriculture Research Center (ARC), Giza, Egypt
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Li T, Liu R, Wang Q, Rao J, Liu Y, Dai Z, Gooneratne R, Wang J, Xie Q, Zhang X. A review of the influence of environmental pollutants (microplastics, pesticides, antibiotics, air pollutants, viruses, bacteria) on animal viruses. JOURNAL OF HAZARDOUS MATERIALS 2024; 468:133831. [PMID: 38402684 DOI: 10.1016/j.jhazmat.2024.133831] [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: 10/14/2023] [Revised: 02/09/2024] [Accepted: 02/17/2024] [Indexed: 02/27/2024]
Abstract
Microorganisms, especially viruses, cause disease in both humans and animals. Environmental chemical pollutants including microplastics, pesticides, antibiotics sand air pollutants arisen from human activities affect both animal and human health. This review assesses the impact of chemical and biological contaminants (virus and bacteria) on viruses including its life cycle, survival, mutations, loads and titers, shedding, transmission, infection, re-assortment, interference, abundance, viral transfer between cells, and the susceptibility of the host to viruses. It summarizes the sources of environmental contaminants, interactions between contaminants and viruses, and methods used to mitigate such interactions. Overall, this review provides a perspective of environmentally co-occurring contaminants on animal viruses that would be useful for future research on virus-animal-human-ecosystem harmony studies to safeguard human and animal health.
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Affiliation(s)
- Tong Li
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
| | - Ruiheng Liu
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
| | - Qian Wang
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
| | - Jiaqian Rao
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
| | - Yuanjia Liu
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Zhenkai Dai
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China
| | - Ravi Gooneratne
- Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Jun Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China.
| | - Qingmei Xie
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China.
| | - Xinheng Zhang
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Key Laboratory of Animal Health Aquaculture and Environmental Control, Guangdong, Guangzhou 510642, China; South China Collaborative Innovation Center for Poultry Disease Control and Product Safety, Guangzhou 510642, China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, China.
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20
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Behringer MG, Ho WC, Miller SF, Worthan SB, Cen Z, Stikeleather R, Lynch M. Trade-offs, trade-ups, and high mutational parallelism underlie microbial adaptation during extreme cycles of feast and famine. Curr Biol 2024; 34:1403-1413.e5. [PMID: 38460514 PMCID: PMC11066936 DOI: 10.1016/j.cub.2024.02.040] [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: 10/04/2023] [Revised: 12/12/2023] [Accepted: 02/16/2024] [Indexed: 03/11/2024]
Abstract
Microbes are evolutionarily robust organisms capable of rapid adaptation to complex stress, which enables them to colonize harsh environments. In nature, microbes are regularly challenged by starvation, which is a particularly complex stress because resource limitation often co-occurs with changes in pH, osmolarity, and toxin accumulation created by metabolic waste. Often overlooked are the additional complications introduced by eventual resource replenishment, as successful microbes must withstand rapid environmental shifts before swiftly capitalizing on replenished resources to avoid invasion by competing species. To understand how microbes navigate trade-offs between growth and survival, ultimately adapting to thrive in environments with extreme fluctuations, we experimentally evolved 16 Escherichia coli populations for 900 days in repeated feast/famine conditions with cycles of 100-day starvation before resource replenishment. Using longitudinal population-genomic analysis, we found that evolution in response to extreme feast/famine is characterized by narrow adaptive trajectories with high mutational parallelism and notable mutational order. Genetic reconstructions reveal that early mutations result in trade-offs for biofilm and motility but trade-ups for growth and survival, as these mutations conferred positively correlated advantages during both short-term and long-term culture. Our results demonstrate how microbes can navigate the adaptive landscapes of regularly fluctuating conditions and ultimately follow mutational trajectories that confer benefits across diverse environments.
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Affiliation(s)
- Megan G Behringer
- Department of Biological Sciences, Vanderbilt University, 21st Avenue S, Nashville, TN 37232, USA; Department of Pathology Microbiology and Immunology, Vanderbilt University Medical Center, 21st Avenue S, Nashville, TN 37232, USA.
| | - Wei-Chin Ho
- Biodesign Center for Mechanisms of Evolution, Arizona State University, S McAllister Ave., Tempe, AZ 85281, USA; Department of Biology, University of Texas at Tyler, University Blvd., Tyler, TX 75799, USA.
| | - Samuel F Miller
- Biodesign Center for Mechanisms of Evolution, Arizona State University, S McAllister Ave., Tempe, AZ 85281, USA
| | - Sarah B Worthan
- Department of Biological Sciences, Vanderbilt University, 21st Avenue S, Nashville, TN 37232, USA
| | - Zeer Cen
- Department of Biological Sciences, Vanderbilt University, 21st Avenue S, Nashville, TN 37232, USA
| | - Ryan Stikeleather
- Biodesign Center for Mechanisms of Evolution, Arizona State University, S McAllister Ave., Tempe, AZ 85281, USA
| | - Michael Lynch
- Biodesign Center for Mechanisms of Evolution, Arizona State University, S McAllister Ave., Tempe, AZ 85281, USA
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21
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Metcalf R, Fellows R, White HL, Quilliam RS. Persistence of 'wet wipes' in beach sand: An unrecognised reservoir for localised E. coli contamination. MARINE POLLUTION BULLETIN 2024; 201:116175. [PMID: 38422824 DOI: 10.1016/j.marpolbul.2024.116175] [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: 10/26/2023] [Revised: 02/16/2024] [Accepted: 02/16/2024] [Indexed: 03/02/2024]
Abstract
The flushing of wet wipes down toilets leads to blockages of sewerage systems. This, together with unregulated sewage discharge, often results in increasing numbers of wet wipes washing up onto beaches. However, it is unclear how long wet wipes can persist on the beach and whether they pose a prolonged public health risk if contaminated by E. coli. In this mesocosm study, three types of wet wipes (plastic containing, and home and commercially compostable) colonised with E. coli were buried in beach sand and their degradation, tensile strength, and concentration of E. coli was quantified over 15 weeks. Wet wipes containing plastic remained largely intact for 15 weeks, whilst both compostable wet wipes fragmented and degraded. Importantly, E. coli persisted on all three wet wipe types, representing localised reservoirs of E. coli in the sand, which could present a human health risk at the beach.
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Affiliation(s)
- Rebecca Metcalf
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, UK.
| | - Rosie Fellows
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, UK
| | - Hannah L White
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, UK
| | - Richard S Quilliam
- Biological and Environmental Sciences, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, UK
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22
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Wu X, Nawaz S, Li Y, Zhang H. Environmental health hazards of untreated livestock wastewater: potential risks and future perspectives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24745-24767. [PMID: 38499926 DOI: 10.1007/s11356-024-32853-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
Due to technological and economic limitations, waste products such as sewage and manure generated in livestock farming lack comprehensive scientific and centralized treatment. This leads to the exposure of various contaminants in livestock wastewater, posing potential risks to both the ecological environment and human health. This review evaluates the environmental and physical health risks posed by common pollutants in livestock wastewater and outlines future treatment methods to mitigate these risks. Residual wastes in livestock wastewater, including pathogenic bacteria and parasites surviving after epidemics or diseases on various farms, along with antibiotics, organic wastes, and heavy metals from farming activities, contribute to environmental damage and pose risks to human health. As the livestock industry's development increasingly impacts society's future negatively, addressing the issue of residual wastes in livestock wastewater discharge becomes imperative. Ongoing advancements in wastewater treatment systems are consistently updating and refining practices to effectively minimize waste exposure at the discharge source, mitigating risks to environmental ecology and human health. This review not only summarizes the "potential risks of livestock wastewater" but also explores "the prospects for the development of wastewater treatment technologies" based on current reports. It offers valuable insights to support the long-term and healthy development of the livestock industry and contribute to the sustainable development of the ecological environment.
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Affiliation(s)
- Xiaomei Wu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Shah Nawaz
- Department of Anatomy, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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23
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Ventura M, Oporto-Llerena R, Espinoza K, Guibert F, Quispe AM, Vilar N, López M, Rojo-Bezares B, Sáenz Y, Ruiz J, J. Pons M. Antimicrobial resistance and associated risk factors in Escherichia coli isolated from Peruvian dogs: A focus on extended-spectrum β-lactamases and colistin. Vet World 2024; 17:880-887. [PMID: 38798292 PMCID: PMC11111722 DOI: 10.14202/vetworld.2024.880-887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/26/2024] [Indexed: 05/29/2024] Open
Abstract
Background and Aim Established antimicrobial resistance (AMR) surveillance in companion animals is lacking, particularly in low-middle-income countries. The aim of this study was to analyze AMR and its risk factors in Escherichia coli isolated from dogs at two veterinary centers in Lima (Peru). Materials and Methods Ninety dogs were included in the study. Antimicrobial susceptibility was established by disk diffusion, whereas microdilution was used to determine colistin susceptibility. Mechanisms related to extended-spectrum β-lactamases (ESBL) and colistin resistance were determined by polymerase chain reaction. Clonal relationships of colistin-resistant isolates were assessed by XbaI-pulsed-field gel electrophoresis. Results Thirty-five E. coli strains were isolated. High levels of resistance to ampicillin (57.1%), nalidixic acid (54.3%), tetracycline (48.6%), and azithromycin (25.7%) were detected. Cephalosporin resistance levels were ≥20% and those for colistin were 14.3%. Twelve (34.2%) isolates were ESBL producers; of these, six blaCTX-M-55 (50.0%), 2 (16.6%) blaCTX-M-15, and 2 (16.6%) blaCTX-M-8-like genes were found. The five colistin-resistant isolates were clonally unrelated, with four of them presenting amino acid codon substitutions in the mgrB gene (V8A) or mutations in the mgrB promoter (a12g, g98t, and c89t). Furthermore, dog age, <6 years (p = 0.027) and raw diet (p = 0.054) were associated with resistance to a greater number of antibiotic families. Conclusion Despite small number of samples included, the study found that dogs studied were carriers of multidrug-resistant E. coli, including last-resort antimicrobials, representing a public health problem due to close contact between dogs and humans. This issue suggests the need for larger studies addressed to design strategies to prevent the spread of resistant micro-organisms in small animal clinics and domestic settings.
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Affiliation(s)
- Margot Ventura
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | | | - Kathya Espinoza
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | - Fernando Guibert
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | | | - Nidia Vilar
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - María López
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Beatriz Rojo-Bezares
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Yolanda Sáenz
- Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), 26006 Logroño, Spain
| | - Joaquim Ruiz
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
| | - Maria J. Pons
- Grupo de Investigación en Dinámicas y Epidemiología de la Resistencia a Antimicrobianos - ”One Health”, Universidad Científica del Sur, Lima, Peru
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24
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Zhao YC, Sun ZH, Xiao MX, Li JK, Liu HY, Cai HL, Cao W, Feng Y, Zhang BK, Yan M. Analyzing the correlation between quinolone-resistant Escherichia coli resistance rates and climate factors: A comprehensive analysis across 31 Chinese provinces. ENVIRONMENTAL RESEARCH 2024; 245:117995. [PMID: 38145731 DOI: 10.1016/j.envres.2023.117995] [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: 09/17/2023] [Revised: 11/27/2023] [Accepted: 12/18/2023] [Indexed: 12/27/2023]
Abstract
BACKGROUND The increasing problem of bacterial resistance, particularly with quinolone-resistant Escherichia coli (QnR eco) poses a serious global health issue. METHODS We collected data on QnR eco resistance rates and detection frequencies from 2014 to 2021 via the China Antimicrobial Resistance Surveillance System, complemented by meteorological and socioeconomic data from the China Statistical Yearbook and the China Meteorological Data Service Centre (CMDC). Comprehensive nonparametric testing and multivariate regression models were used in the analysis. RESULT Our analysis revealed significant regional differences in QnR eco resistance and detection rates across China. Along the Hu Huanyong Line, resistance rates varied markedly: 49.35 in the northwest, 54.40 on the line, and 52.30 in the southeast (P = 0.001). Detection rates also showed significant geographical variation, with notable differences between regions (P < 0.001). Climate types influenced these rates, with significant variability observed across different climates (P < 0.001). Our predictive model for resistance rates, integrating climate and healthcare factors, explained 64.1% of the variance (adjusted R-squared = 0.641). For detection rates, the model accounted for 19.2% of the variance, highlighting the impact of environmental and healthcare influences. CONCLUSION The study found higher resistance rates in warmer, monsoon climates and areas with more public health facilities, but lower rates in cooler, mountainous, or continental climates with more rainfall. This highlights the strong impact of climate on antibiotic resistance. Meanwhile, the predictive model effectively forecasts these resistance rates using China's diverse climate data. This is crucial for public health strategies and helps policymakers and healthcare practitioners tailor their approaches to antibiotic resistance based on local environmental conditions. These insights emphasize the importance of considering regional climates in managing antibiotic resistance.
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Affiliation(s)
- Yi-Chang Zhao
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Zhi-Hua Sun
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Ming-Xuan Xiao
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Jia-Kai Li
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Huai-Yuan Liu
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Hua-Lin Cai
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Wei Cao
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Medical Laboratory, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China
| | - Yu Feng
- China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Bi-Kui Zhang
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China.
| | - Miao Yan
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China.
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25
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Menezes KV, Duarte CEDS, Moreira MG, Moreno TDJC, Pereira VJDS, Ucella-Filho JGM, Otenio MH, Ignacchiti MDC, Resende JA. Enterobacteria in anaerobic digestion of dairy cattle wastewater: Assessing virulence and resistance for one health security. WATER RESEARCH 2024; 252:121192. [PMID: 38309066 DOI: 10.1016/j.watres.2024.121192] [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: 10/03/2023] [Revised: 12/26/2023] [Accepted: 01/23/2024] [Indexed: 02/05/2024]
Abstract
Samples from a dairy cattle waste-fed anaerobic digester were collected across seasons to assess sanitary safety for biofertilizer use. Isolated enterobacteria (suggestive of Escherichia coli) were tested for susceptibility to biocides, antimicrobials, and biofilm-forming capability. Results revealed a decrease in total bacteria, coliforms, and enterobacteria in biofertilizer compared to the effluent. Among 488 isolates, 98.12 % exhibited high biofilm formation. Biofertilizer isolates exhibited a similar biofilm formation capability as effluent isolates in summer, but greater propensity in winter. Resistance to biocides and antimicrobials varied, with tetracycline resistance reaching 19 %. Of the isolates, 25 were multidrug-resistant (MDR), with 64 % resistant to three drugs. Positive correlations were observed between MDR and increased biofilm formation capacity in both samples, while there was negative correlation between MDR and increased biocide resistance. A higher number of MDR bacteria were found in biofertilizer compared to the effluent, revealing the persistence of E. coli resistance, posing challenges to food safety and public health.
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Affiliation(s)
- Kássia Vidal Menezes
- Graduate Program in Veterinary Sciences, Center for Agricultural Sciences and Engineering - CCAE, Federal University of Espírito Santo - UFES, Alto Universitário, no number, Guararema, Alegre, ES 29500-000, Brazil
| | | | - Myleny Goularte Moreira
- Department of Pharmacy and Nutrition, Federal University of Espírito Santo - UFES, Alegre, ES 29500-000, Brazil
| | | | - Vitor José da Silva Pereira
- Department of Pharmacy and Nutrition, Federal University of Espírito Santo - UFES, Alegre, ES 29500-000, Brazil
| | - João Gilberto Meza Ucella-Filho
- Department of Forestry and Wood Sciences, Federal University of Espírito Santo - UFES, Jerônimo Monteiro, ES 29550-000, Brazil
| | | | | | - Juliana Alves Resende
- Graduate Program in Veterinary Sciences, Center for Agricultural Sciences and Engineering - CCAE, Federal University of Espírito Santo - UFES, Alto Universitário, no number, Guararema, Alegre, ES 29500-000, Brazil; Department of Pharmacy and Nutrition, Federal University of Espírito Santo - UFES, Alegre, ES 29500-000, Brazil.
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26
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de Souza JB, de Almeida Campos LA, Palácio SB, Brelaz-de-Castro MCA, Cavalcanti IMF. Prevalence and implications of pKs-positive Escherichia coli in colorectal cancer. Life Sci 2024; 341:122462. [PMID: 38281542 DOI: 10.1016/j.lfs.2024.122462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/13/2024] [Accepted: 01/23/2024] [Indexed: 01/30/2024]
Abstract
Colorectal cancer (CRC) remains a significant global health concern, necessitating continuous investigation into its etiology and potential risk factors. Recent research has shed light on the potential role of pKs-positive Escherichia coli (pKs + E. coli) and colibactin in the development and progression of CRC. Therefore, this review aimed to provide an updated analysis of the prevalence and implications of pKs + E. coli in colorectal cancer. We conducted a literature review search in major scientific databases to identify relevant studies exploring the association between pKs + E. coli and CRC. The search strategy included studies published up to the present date, and articles were carefully selected based on predefined inclusion criteria. Thus, the present study encompasses scientific evidence from clinical and epidemiological studies supporting the presence of pKs + E. coli in CRC patients, demonstrating a consistent and significant association in multiple studies. Furthermore, we highlighted the potential mechanisms by which colibactin may promote tumorigenesis and cancer progression within the colorectal mucosa, including the production of genotoxic virulence factors. Additionally, we explored current diagnostic methods for detecting pKs + E. coli in clinical settings, emphasizing the importance of accurate identification. Moreover, we discussed future strategies that could utilize the presence of this strain as a biomarker for CRC diagnosis and treatment. In conclusion, this review consolidated existing evidence on the prevalence and implications of pKs + E. coli in colorectal cancer. The findings underscore the importance of further research to elucidate the precise mechanisms linking this strain to CRC pathogenesis and to explore its potential as a therapeutic target or diagnostic marker. Ultimately, a better understanding of the role of pKs + E. coli in CRC may pave the way for innovative strategies in CRC management and patient care.
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Affiliation(s)
| | | | - Sarah Brandão Palácio
- Research, development and innovation subdivision (SDPI) of Chemical-Pharmaceutical Laboratory of Aeronautics (LAQFA), Rio de Janeiro, RJ, Brazil
| | | | - Isabella Macário Ferro Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Recife, PE, Brazil; Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Vitória de Santo Antão, PE, Brazil.
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Saini P, Bandsode V, Singh A, Mendem SK, Semmler T, Alam M, Ahmed N. Genomic insights into virulence, antimicrobial resistance, and adaptation acumen of Escherichia coli isolated from an urban environment. mBio 2024; 15:e0354523. [PMID: 38376265 PMCID: PMC10936179 DOI: 10.1128/mbio.03545-23] [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: 01/11/2024] [Accepted: 01/23/2024] [Indexed: 02/21/2024] Open
Abstract
Populations of common commensal bacteria such as Escherichia coli undergo genetic changes by the acquisition of certain virulence and antimicrobial resistance (AMR) encoding genetic elements leading to the emergence of pathogenic strains capable of surviving in the previously uninhabited or protected niches. These bacteria are also reported to be prevalent in the environment where they survive by adopting various recombination strategies to counter microflora of the soil and water, under constant selection pressure(s). In this study, we performed molecular characterization, phenotypic AMR analysis, and whole genome sequencing (WGS) of E. coli (n = 37) isolated from soil and surface water representing the urban and peri-urban areas. The primary aim of this study was to understand the genetic architecture and pathogenic acumen exhibited by environmental E. coli. WGS-based analysis entailing resistome and virulome profiling indicated the presence of various virulence (adherence, iron uptake, and toxins) and AMR encoding genes, including blaNDM-5 in the environmental isolates. A majority of our isolates belonged to phylogroup B1 (73%). A few isolates in our collection were of sequence type(s) (ST) 58 and 224 that could have emerged recently as clonal lineages and might pose risk of infection/transmission. Mobile genetic elements (MGEs) such as plasmids (predominantly) of the IncF family, prophages, pipolins, and insertion elements such as IS1 and IS5 were also observed to exist, which may presumably aid in the propagation of genes encoding resistance against antimicrobial drugs. The observed high prevalence of MGEs associated with multidrug resistance in pathogenic E. coli isolates belonging to the phylogroup B1 underscores the need for extended surveillance to keep track of and prevent the transmission of the bacterium to certain vulnerable human and animal populations. IMPORTANCE Evolutionary patterns of E. coli bacteria convey that they evolve into highly pathogenic forms by acquiring fitness advantages, such as AMR, and various virulence factors through the horizontal gene transfer (HGT)-mediated acquisition of MGEs. However, limited research on the genetic profiles of environmental E. coli, particularly from India, hinders our understanding of their transition to pathogenic forms and impedes the adoption of a comprehensive approach to address the connection between environmentally dwelling E. coli populations and human and veterinary public health. This study focuses on high-resolution genomic analysis of the environmental E. coli isolates aiming to understand the genetic similarities and differences among isolates from different environmental niches and uncover the survival strategies employed by these bacteria to thrive in their surroundings. Our approach involved molecular characterization of environmental samples using PCR-based DNA fingerprinting and subsequent WGS analysis. This multidisciplinary approach is likely to provide valuable insights into the understanding of any potential spill-over to human and animal populations and locales. Investigating these environmental isolates has significant potential for developing epidemiological strategies against transmission and understanding niche-specific evolutionary patterns.
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Affiliation(s)
- Poorvi Saini
- Department of Biotechnology and Bioinformatics, Pathogen Biology Laboratory, University of Hyderabad, Hyderabad, Telangana State, India
| | - Viraj Bandsode
- Department of Biotechnology and Bioinformatics, Pathogen Biology Laboratory, University of Hyderabad, Hyderabad, Telangana State, India
| | - Anuradha Singh
- Department of Biotechnology and Bioinformatics, Pathogen Biology Laboratory, University of Hyderabad, Hyderabad, Telangana State, India
| | - Suresh Kumar Mendem
- Department of Biotechnology and Bioinformatics, Pathogen Biology Laboratory, University of Hyderabad, Hyderabad, Telangana State, India
| | | | - Munirul Alam
- International Centre for Diarrheal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Niyaz Ahmed
- Department of Biotechnology and Bioinformatics, Pathogen Biology Laboratory, University of Hyderabad, Hyderabad, Telangana State, India
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Carpio-Vallejo E, Düker U, Waldowski J, Nogueira R. Contribution of rooftop rainwater harvesting to climate adaptation in the city of Hannover: Water quality and health issues of rainwater storage in cisterns and ponds. Int J Hyg Environ Health 2024; 256:114320. [PMID: 38184969 DOI: 10.1016/j.ijheh.2024.114320] [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: 09/18/2023] [Revised: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
Rooftop rainwater harvesting systems and blue-green infrastructure are becoming important resilience alternatives for urban climate adaptation. This study sheds light on the largely unreported physicochemical and microbiological quality of private roof-harvested rainwater (RHRW). We aimed to identify the physicochemical and microbiological characteristics of RHRW, explore potential correlations between them and assess probable health risks associated with recreational interactions of children with the water. RHRW was collected from cisterns and ponds located in an inner courtyard in Hanover, Germany. Physicochemical parameters were measured on site and samples were collected once a month in two campaigns in 2020 and 2021. Escherichia coli concentrations ranged from 1 × 10° to 24.1 × 102 MPN/100 mL, Enterococci from 1 × 10° to 19.7 × 102 MPN/100 mL, Salmonella from 1 × 102 to 39 × 103 CFU/100 mL and Pseudomonas aeruginosa from 1 × 10° to 3 × 103 MPN/100 mL. Correlation analysis indicated potential relationships between bacteria, oxygen, and water temperature. The results of the health risk assessment indicated a potential risk of gastrointestinal illnesses due to exposure to Enterococci and Salmonella spp. present in the cisterns and ponds, highlighting the need for appropriate regulations and guidelines for RHRW aimed for non-potable uses. Blue-green infrastructure, when effectively managed and maintained, can offer benefits both by enhancing urban climate resilience and promoting citizens well-being.
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Affiliation(s)
| | - Urda Düker
- Gottfried Wilhelm Leibniz Universität Hannover, Welfengarten 1, 30167, Hannover, Germany
| | - Jessica Waldowski
- Grundstücksentwässerung, Stadtentwässerung Hannover, Sorststraße 16, 30165, Hannover, Germany
| | - Regina Nogueira
- Gottfried Wilhelm Leibniz Universität Hannover, Welfengarten 1, 30167, Hannover, Germany.
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29
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Nguyen TNP, Nguyen SH, Tran MT. Disposable impedance sensors based on novel hybrid MoS2 nanosheets and microparticles to detect Escherichia Coli DNA. PLoS One 2024; 19:e0299272. [PMID: 38422053 PMCID: PMC10903914 DOI: 10.1371/journal.pone.0299272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/06/2024] [Indexed: 03/02/2024] Open
Abstract
The rapid and accurate detection of pathogenic bacteria is essential for food safety and public health. Conventional detection techniques, such as nucleic acid sequence-based amplification and polymerase chain reaction, are time-consuming and require specialized equipment and trained personnel. Here, we present quick, disposable impedance sensors based on the novel hybrid MoS2 nanomaterial for detecting Escherichia coli DNA. Our results indicate that the proposed sensors operate linearly between 10- 20 and 10-15 M concentrations, achieving an impressive detection limit of 10-20 M with the highest sensitivity observed at a 0.325 nM probe concentration sensor. Furthermore, the electrochemical impedance spectroscopy biosensors exhibited potential selectivity for Escherichia coli DNA over Bacillus subtilis and Vibrio proteolyticus DNA sequences. The findings offer a promising avenue for efficient and precise DNA detection, with potential implications for broader biotechnology and medical diagnostics applications.
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Affiliation(s)
- Tien Ngoc Phuc Nguyen
- College of Engineering and Computer Science, VinUniversity, Hanoi, Vietnam
- VinUni-Illinois Smart Health Center, VinUniversity, Hanoi, Vietnam
| | - Son Hai Nguyen
- School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam
| | - Mai Thi Tran
- College of Engineering and Computer Science, VinUniversity, Hanoi, Vietnam
- VinUni-Illinois Smart Health Center, VinUniversity, Hanoi, Vietnam
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30
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Desta BN, Tustin J, Sanchez JJ, Heasley C, Schwandt M, Bishay F, Chan B, Knezevic-Stevanovic A, Ash R, Jantzen D, Young I. Environmental predictors of Escherichia coli concentration at marine beaches in Vancouver, Canada: a Bayesian mixed-effects modelling analysis. Epidemiol Infect 2024; 152:e38. [PMID: 38403890 PMCID: PMC10945941 DOI: 10.1017/s0950268824000311] [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: 10/17/2023] [Revised: 12/29/2023] [Accepted: 02/15/2024] [Indexed: 02/27/2024] Open
Abstract
Understanding historical environmental determinants associated with the risk of elevated marine water contamination could enhance monitoring marine beaches in a Canadian setting, which can also inform predictive marine water quality models and ongoing climate change preparedness efforts. This study aimed to assess the combination of environmental factors that best predicts Escherichia coli (E. coli) concentration at public beaches in Metro Vancouver, British Columbia, by combining the region's microbial water quality data and publicly available environmental data from 2013 to 2021. We developed a Bayesian log-normal mixed-effects regression model to evaluate predictors of geometric E. coli concentrations at 15 beaches in the Metro Vancouver Region. We identified that higher levels of geometric mean E. coli levels were predicted by higher previous sample day E. coli concentrations, higher rainfall in the preceding 48 h, and higher 24-h average air temperature at the median or higher levels of the 24-h mean ultraviolet (UV) index. In contrast, higher levels of mean salinity were predicted to result in lower levels of E. coli. Finally, we determined that the average effects of the predictors varied highly by beach. Our findings could form the basis for building real-time predictive marine water quality models to enable more timely beach management decision-making.
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Affiliation(s)
- Binyam N. Desta
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, ON, Canada
| | - Jordan Tustin
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, ON, Canada
| | - J. Johanna Sanchez
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, ON, Canada
| | - Cole Heasley
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, ON, Canada
| | - Michael Schwandt
- Vancouver Coastal Health, Vancouver, BC, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
| | | | | | | | - Randall Ash
- Vancouver Coastal Health, Vancouver, BC, Canada
| | | | - Ian Young
- School of Occupational and Public Health, Toronto Metropolitan University, Toronto, ON, Canada
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31
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Rabiu AG, Marcus AJ, Olaitan MO, Falodun OI. Systematic review and meta-analyses of the role of drinking water sources in the environmental dissemination of antibiotic-resistant Escherichia coli in Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-15. [PMID: 38379376 DOI: 10.1080/09603123.2024.2320934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 02/14/2024] [Indexed: 02/22/2024]
Abstract
Escherichia coli are pathogenic and antibiotic-resistant organisms that can spread to humans through water. However, there is sparse synthesised information on the dissemination of antibiotic-resistant E. coli through drinking water in Africa. This review provides an overview of the environmental spread of antimicrobial-resistant E. coli through drinking water in Africa. We performed a systematic review based on PRISMA guidelines, and 40 eligible studies from 12 countries were identified until June 2023. Four electronic databases (PubMed, Elsevier, AJOL, and DOAJ) were searched. Studies that employed phenotypic tests (n = 24/40) in identifying the bacterium outstripped those that utilised genome-based methods (n = 13). Of the 40 studies, nine and five, respectively, assessed the bacterium for antimicrobial resistance (AMR) phenotype and genotype. Multiple antibiotic resistance indices of 0.04-0.1 revealed a low level of antibiotic resistance. The detection of multidrug-resistant E. coli carrying resistance genes in certain water sources suggests that AMR-surveillance expansion should include drinking water.
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Affiliation(s)
- Akeem Ganiyu Rabiu
- Department of Microbiology, Federal University of Health Sciences, Ila-Orangun, Nigeria
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Tsukimi T, Obana N, Shigemori S, Arakawa K, Miyauchi E, Yang J, Song I, Ashino Y, Wakayama M, Soga T, Tomita M, Ohno H, Mori H, Fukuda S. Genetic mutation in Escherichia coli genome during adaptation to the murine intestine is optimized for the host diet. mSystems 2024; 9:e0112323. [PMID: 38205998 PMCID: PMC10878103 DOI: 10.1128/msystems.01123-23] [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: 10/23/2023] [Accepted: 11/15/2023] [Indexed: 01/12/2024] Open
Abstract
Mammalian gut microbes colonize the intestinal tract of their host and adapt to establish a microbial ecosystem. The host diet changes the nutrient profile of the intestine and has a high impact on microbiota composition. Genetic mutations in Escherichia coli, a prevalent species in the human gut, allow for adaptation to the mammalian intestine, as reported in previous studies. However, the extent of colonization fitness in the intestine elevated by genetic mutation and the effects of diet change on these mutations in E. coli are still poorly known. Here, we show that notable mutations in sugar metabolism-related genes (gatC, araC, and malI) were detected in the E. coli K-12 genome just 2 weeks after colonization in the germ-free mouse intestine. In addition to elevated fitness by deletion of gatC, as previously reported, deletion of araC and malI also elevated E. coli fitness in the murine intestine in a host diet-dependent manner. In vitro cultures of medium containing nutrients abundant in the intestine (e.g., galactose, N-acetylglucosamine, and asparagine) also showed increased E. coli fitness after deletion of the genes-of-interest associated with their metabolism. Furthermore, the host diet was found to influence the developmental trajectory of gene mutations in E. coli. Taken together, we suggest that genetic mutations in E. coli are selected in response to the intestinal environment, which facilitates efficient utilization of nutrients abundant in the intestine under laboratory conditions. Our study offers some insight into the possible adaptation mechanisms of gut microbes.IMPORTANCEThe gut microbiota is closely associated with human health and is greatly impacted by the host diet. Bacteria such as Escherichia coli live in the gut all throughout the life of a human host and adapt to the intestinal environment. Adaptive mutations in E. coli are reported to enhance fitness in the mammalian intestine, but to what extent is still poorly known. It is also unknown whether the host diet affects what genes are mutated and to what extent fitness is affected. This study suggests that genetic mutations in the E. coli K-12 strain are selected in response to the intestinal environment and facilitate efficient utilization of abundant nutrients in the germ-free mouse intestine. Our study provides a better understanding of these intestinal adaptation mechanisms of gut microbes.
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Affiliation(s)
- Tomoya Tsukimi
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
| | - Nozomu Obana
- Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Suguru Shigemori
- Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Kazuharu Arakawa
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
- Faculty of Environment and Information Studies, Keio University, Fujisawa, Japan
| | - Eiji Miyauchi
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan
| | - Jiayue Yang
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
| | - Isaiah Song
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
| | - Yujin Ashino
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
| | - Masataka Wakayama
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
| | - Tomoyoshi Soga
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
- Faculty of Environment and Information Studies, Keio University, Fujisawa, Japan
| | - Masaru Tomita
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
- Faculty of Environment and Information Studies, Keio University, Fujisawa, Japan
| | - Hiroshi Ohno
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Hirotada Mori
- Graduate School of Biological Science, Nara Institute of Science and Technology, Ikoma, Japan
- Institute of Animal Sciences, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong, China
| | - Shinji Fukuda
- Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Japan
- Transborder Medical Research Center, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
- Gut Environmental Design Group, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Japan
- Laboratory for Regenerative Microbiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Zhou X, Liu X, Zhao H, Guo G, Jiang X, Liu S, Sun X, Yang H. Research advances in microfluidic collection and detection of virus, bacterial, and fungal bioaerosols. Mikrochim Acta 2024; 191:132. [PMID: 38351367 DOI: 10.1007/s00604-024-06213-7] [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: 09/20/2023] [Accepted: 01/14/2024] [Indexed: 02/16/2024]
Abstract
Bioaerosols are airborne suspensions of fine solid or liquid particles containing biological substances such as viruses, bacteria, cellular debris, fungal spores, mycelium, and byproducts of microbial metabolism. The global Coronavirus disease 2019 (COVID-19) pandemic and the previous emergence of severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and influenza have increased the need for reliable and effective monitoring tools for bioaerosols. Bioaerosol collection and detection have aroused considerable attention. Current bioaerosol sampling and detection techniques suffer from long response time, low sensitivity, and high costs, and these drawbacks have forced the development of novel monitoring strategies. Microfluidic technique is considered a breakthrough for high performance analysis of bioaerosols. In recent years, several emerging methods based on microfluidics have been developed and reported for collection and detection of bioaerosols. The unique advantages of microfluidic technique have enabled the integration of bioaerosol collection and detection, which has a higher efficiency over conventional methods. This review focused on the research progress of bioaerosol collection and detection methods based on microfluidic techniques, with special attention on virus aerosols and bacterial aerosols. Different from the existing reviews, this work took a unique perspective of the targets to be collected and detected in bioaerosols, which would provide a direct index of bioaerosol categories readers may be interested in. We also discussed integrated microfluidic monitoring system for bioaerosols. Additionally, the application of bioaerosol detection in biomedicine was presented. Finally, the current challenges in the field of bioaerosol monitoring are presented and an outlook given of future developments.
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Affiliation(s)
- Xinyue Zhou
- Department of Respiratory Medicine, The Fourth Hospital of China Medical University, No. 4, Chongshan East Road, Huanggu District, Shenyang, 110032, Liaoning, China
| | - Xin Liu
- Department of Respiratory Medicine, The Fourth Hospital of China Medical University, No. 4, Chongshan East Road, Huanggu District, Shenyang, 110032, Liaoning, China
| | - Haiyang Zhao
- Teaching Center for Basic Medical Experiment, China Medical University, No.77, Puhe Road, Shenyang, 110122, Liaoning Province, China
| | - Guanqi Guo
- Teaching Center for Basic Medical Experiment, China Medical University, No.77, Puhe Road, Shenyang, 110122, Liaoning Province, China
| | - Xiran Jiang
- School of Intelligent Medicine, China Medical University, No.77, Puhe Road, Shenyang, 110122, Liaoning Province, China.
| | - Shuo Liu
- Department of Respiratory Medicine, The Fourth Hospital of China Medical University, No. 4, Chongshan East Road, Huanggu District, Shenyang, 110032, Liaoning, China.
| | - Xiaoting Sun
- School of Forensic Medicine, China Medical University, No.77, Puhe Road, Shenyang, 110122, Liaoning Province, China.
| | - Huazhe Yang
- School of Intelligent Medicine, China Medical University, No.77, Puhe Road, Shenyang, 110122, Liaoning Province, China.
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Liu H, Shi K, Wang Y, Zhong W, Pan S, Zhou L, Cheng Y, Yuan Y, Zhou Z, Liu H, Zhang S, Peng G, Yan Q, Luo Y, Zhang X, Zhong Z. Characterization of antibiotic resistance genes and mobile genetic elements in Escherichia coli isolated from captive black bears. Sci Rep 2024; 14:2745. [PMID: 38302507 PMCID: PMC10834548 DOI: 10.1038/s41598-024-52622-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 01/22/2024] [Indexed: 02/03/2024] Open
Abstract
The objective of this study was to analyze the antimicrobial resistance (AMR) characteristics produced by antibiotic resistance genes (ARGs), mobile genetic elements (MGEs) and gene cassettes in Escherichia coli isolated from the feces of captive black bears. Antimicrobial susceptibility testing was performed by using the disk diffusion method, and both MGEs and integron gene cassettes were detected by polymerase chain reaction. Our results showed that 43.7% (62/142) of the isolates were multidrug resistant strains and 97.9% (139/142) of the isolates were resistant to at least one antibiotic. The highest AMR phenotype was observed for tetracycline (79.6%, 113/142), followed by ampicillin (50.0%, 71/142), trimethoprim-sulfamethoxazole (43.7%, 62/142) and cefotaxime (35.9%, 51/142). However, all isolates were susceptible to tobramycin. tetA had the highest occurrence in 6 ARGs in 142 E. coli isolates (76.8%, 109/142). Ten mobile genetic elements were observed and IS26 was dominant (88.0%, 125/142). ISECP1 was positively associated with five β-lactam antibiotics. ISCR3/14, IS1133 and intI3 were not detected. Seventy-five E. coli isolates (65 intI1-positive isolates, 2 intI2-positive isolates and 8 intI1 + intI2-positive isolates) carried integrons. Five gene cassettes (dfrA1, aadA2, dfrA17-aadA5, aadA2-dfrA12 and dfrA1-aadA1) were identified in the intI1-positive isolates and 2 gene cassettes (dfrA1-catB2-sat2-aadA1 and dfrA1-catB2-sat1-aadA1) were observed in the intI2-positive isolates. Monitoring of ARGs, MGEs and gene cassettes is important to understand the prevalence of AMR, which may help to introduce measures to prevent and control of AMR in E. coli for captive black bears.
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Affiliation(s)
- Hang Liu
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Keyun Shi
- Jiangsu Yixing People's Hospital, Yixing, 214200, China
| | - Yuhan Wang
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wenhao Zhong
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shulei Pan
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lei Zhou
- Sichuan Institute of Musk Deer Breeding, Dujiangyan, 611845, China
| | - Yuehong Cheng
- Sichuan Wolong National Natural Reserve Administration Bureau, Wenchuan, 623006, China
| | - Yu Yuan
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ziyao Zhou
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Haifeng Liu
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shaqiu Zhang
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guangneng Peng
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qigui Yan
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yan Luo
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaoli Zhang
- Jiangsu Yixing People's Hospital, Yixing, 214200, China.
| | - Zhijun Zhong
- College of Veterinary Medicine, Key Laboratory of Animal Disease and Human Health of Sichuan, Sichuan Agricultural University, Chengdu, 611130, China.
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Oliveira A, Dias C, Oliveira R, Almeida C, Fuciños P, Sillankorva S, Oliveira H. Paving the way forward: Escherichia coli bacteriophages in a One Health approach. Crit Rev Microbiol 2024; 50:87-104. [PMID: 36608263 DOI: 10.1080/1040841x.2022.2161869] [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: 06/17/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023]
Abstract
Escherichia coli is one of the most notorious pathogens for its ability to adapt, colonize, and proliferate in different habitats through a multitude of acquired virulence factors. Its presence affects the food-processing industry and causes food poisoning, being also a major economic burden for the food, agriculture, and health sectors. Bacteriophages are emerging as an appealing strategy to mitigate bacterial pathogens, including specific E. coli pathovars, without exerting a deleterious effect on humans and animals. This review globally analyzes the applied research on E. coli phages for veterinary, food, and human use. It starts by describing the pathogenic E. coli pathotypes and their relevance in human and animal context. The idea that phages can be used as a One Health approach to control and interrupt the transmission routes of pathogenic E. coli is sustained through an exhaustive revision of the recent literature. The emerging phage formulations, genetic engineering and encapsulation technologies are also discussed as a means of improving phage-based control strategies, with a particular focus on E. coli pathogens.
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Affiliation(s)
- Ana Oliveira
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Carla Dias
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
| | - Ricardo Oliveira
- INIAV, IP-National Institute for Agrarian and Veterinary Research, Vairão, Vila do Conde, Portugal
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
| | - Carina Almeida
- INIAV, IP-National Institute for Agrarian and Veterinary Research, Vairão, Vila do Conde, Portugal
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
| | - Pablo Fuciños
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto, Portugal
| | - Sanna Sillankorva
- INL - International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga, Braga, Portugal
| | - Hugo Oliveira
- CEB - Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS - Associate Laboratory, Braga, Guimarães, Portugal
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Yang Q, Zhang T, Wu Y, Liang Q, Zhao W, Liu R, Jin X. Progress in the Application of Microneedles in Eye Disorders and the Proposal of the Upgraded Microneedle with Spinule. Pharm Res 2024; 41:203-222. [PMID: 38337104 DOI: 10.1007/s11095-024-03658-6] [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: 11/09/2023] [Accepted: 01/10/2024] [Indexed: 02/12/2024]
Abstract
PURPOSE In the local administration methods for treating eye diseases, the application of microneedles has great potential due to the shortcomings of low efficacy and significant side effects of local administration preparations. This article provides ideas for the research on the application of ophthalmic microneedle in the treatment of eye diseases. RESULTS This article analyzes the physiological structures of the eyes, ocular diseases and its existing ocular preparations in sequence. Finally, this article reviews the development and trends of ocular microneedles in recent years, and summarizes and discusses the drugs of ocular microneedles as well as the future directions of development. At the same time, according to the inspiration of previous work, the concept of "microneedle with spinule" is proposed for the first time, and its advantages and limitations are discussed in the article. CONCLUSIONS At present, the application of ocular microneedles still faces multiple challenges. The aspects of auxiliary devices, appearance, the properties of the matrix materials, and preparation technology of ophthalmic microneedle are crucial for their application in the treatment of eye diseases.
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Affiliation(s)
- Qiannan Yang
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Tianjin, 301617, Jinghai District, China
| | - Tingting Zhang
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Jinghai District, Tianjin, 301617, China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- Tianjin Key Laboratory of Intelligent and Green Pharmaceuticals for Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yujie Wu
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Jinghai District, Tianjin, 301617, China
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- Tianjin Key Laboratory of Intelligent and Green Pharmaceuticals for Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qianyue Liang
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Tianjin, 301617, Jinghai District, China
| | - Wanqi Zhao
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Tianjin, 301617, Jinghai District, China
| | - Rui Liu
- College of Pharmaceutical Engineering of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyang Lake Road, West Zone of Tuanbo New City, Jinghai District, Tianjin, 301617, China.
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China.
- Haihe Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China.
- Tianjin Key Laboratory of Intelligent and Green Pharmaceuticals for Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Xin Jin
- Military Medicine Section, Logistics University of People's Armed Police Force, 1 Huizhihuan Road, Tianjin, 300309, Dongli District, China.
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Kuzeubayeva A, Ussenbayev A, Aydin A, Akanova Z, Rychshanova R, Abdullina E, Seitkamzina D, Sakharia L, Ruzmatov S. Contamination of Kazakhstan cheeses originating from Escherichia coli and its resistance to antimicrobial drugs. Vet World 2024; 17:361-370. [PMID: 38595660 PMCID: PMC11000467 DOI: 10.14202/vetworld.2024.361-370] [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: 09/19/2023] [Accepted: 01/19/2024] [Indexed: 04/11/2024] Open
Abstract
Background and Aim Escherichia coli, a commensal intestine bacterium of vertebrates, is widely distributed in the environment and indicates the microbiological quality of food products in relation to coliforms. In addition, virulent strains, particularly E. coli O157:H7, cause outbreaks of toxic infections caused by consuming dairy products. Because food safety studies regarding E. coli have not been conducted in Central Asia, this research aimed to study the characteristics of contamination, microbiological and genotypic properties, and resistance to antimicrobial agents of E. coli strains that contaminate various types of commercialized cheeses originating from Kazakhstan. Materials and Methods In retail outlets, 207 samples of three types of cheese produced by 22 industrial and eight small enterprises in the central, eastern, southern, and northern regions of Kazakhstan were selected in 2020-2023. E. coli contamination was examined using standard microbiological, mass spectrometric, and molecular genetic methods. The discodiffuse European Committee on Antimicrobial Susceptibility Testing method was used to test the resistance of the identified E. coli isolates (65/207; 31.4%) to 20 antibacterial drugs. The Shiga toxin-producing E. coli (VT1 and VT2) and E. coli O157:H7 (eae) genes were investigated in all E. coli isolates using multiplex polymerase chain reaction. Results An average of 31.4% samples of commercial Kazakhstani cheeses of various types were found to be contaminated with E. coli in almost all geographical regions of Kazakhstan, regardless of the productivity of the dairy enterprises. Soft cheeses produced by small farms (80% of samples) packaged at the retail site (100%) were the most contaminated with E. coli. The microbiological index (colony-forming unit/g) was unsatisfactory and unsuitable in 6.2% of such cheese samples. For the first time in Central Asia, the enteropathogenic strain E. coli O157:H7 was detected in 0.5% of cheese samples. E. coli isolates from cheese samples were resistant to 65% of antibacterial drugs and contained resistance genes to β-lactams, sulfonamides, and quinolones groups. At the same time, 25% of the E. coli isolates were multi-resistant to three or more antimicrobial agents. Conclusion The high level of contamination caused by multi-antibiotic resistant E. coli strains, including pathogenic pathogens, poses a risk to public health and highlights the need for further research on the monitoring and control of coliform enteropathogens in food products.
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Affiliation(s)
- Anar Kuzeubayeva
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
| | - Altay Ussenbayev
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
| | - Ali Aydin
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Istanbul University - Cerrahpaşa, Istanbul, 34320, Turkey
| | - Zhannara Akanova
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
| | - Raushan Rychshanova
- Scientific Innovation Center, Research Institute of Applied Biotechnology, A. Baitursynov Kostanay Regional University, Kostanay, 110000, Kazakhstan
| | - Elmira Abdullina
- Department of Veterinary Sanitation, Shakarim University of Semey, Semey, 071412, Kazakhstan
| | - Dinara Seitkamzina
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
| | - Laura Sakharia
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
| | - Saidulla Ruzmatov
- Department of Veterinary Medicine and Livestock Technology, Seifullin Kazakh Agrotechnical Research University, Astana, 010000, Kazakhstan
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Moinet M, Rogers L, Biggs P, Marshall J, Muirhead R, Devane M, Stott R, Cookson A. High-resolution genomic analysis to investigate the impact of the invasive brushtail possum (Trichosurus vulpecula) and other wildlife on microbial water quality assessments. PLoS One 2024; 19:e0295529. [PMID: 38236841 PMCID: PMC10796070 DOI: 10.1371/journal.pone.0295529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/21/2023] [Indexed: 01/22/2024] Open
Abstract
Escherichia coli are routine indicators of fecal contamination in water quality assessments. Contrary to livestock and human activities, brushtail possums (Trichosurus vulpecula), common invasive marsupials in Aotearoa/New Zealand, have not been thoroughly studied as a source of fecal contamination in freshwater. To investigate their potential role, Escherichia spp. isolates (n = 420) were recovered from possum gut contents and feces and were compared to those from water, soil, sediment, and periphyton samples, and from birds and other introduced mammals collected within the Mākirikiri Reserve, Dannevirke. Isolates were characterized using E. coli-specific real-time PCR targeting the uidA gene, Sanger sequencing of a partial gnd PCR product to generate a gnd sequence type (gST), and for 101 isolates, whole genome sequencing. Escherichia populations from 106 animal and environmental sample enrichments were analyzed using gnd metabarcoding. The alpha diversity of Escherichia gSTs was significantly lower in possums and animals compared with aquatic environmental samples, and some gSTs were shared between sample types, e.g., gST535 (in 85% of samples) and gST258 (71%). Forty percent of isolates gnd-typed and 75% of reads obtained by metabarcoding had gSTs shared between possums, other animals, and the environment. Core-genome single nucleotide polymorphism (SNP) analysis showed limited variation between several animal and environmental isolates (<10 SNPs). Our data show at an unprecedented scale that Escherichia clones are shared between possums, other wildlife, water, and the wider environment. These findings support the potential role of possums as contributors to fecal contamination in Aotearoa/New Zealand freshwater. Our study deepens the current knowledge of Escherichia populations in under-sampled wildlife. It presents a successful application of high-resolution genomic methods for fecal source tracking, thereby broadening the analytical toolbox available to water quality managers. Phylogenetic analysis of isolates and profiling of Escherichia populations provided useful information on the source(s) of fecal contamination and suggest that comprehensive invasive species management strategies may assist in restoring not only ecosystem health but also water health where microbial water quality is compromised.
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Affiliation(s)
- Marie Moinet
- Hopkirk Research Institute, AgResearch, Palmerston North, New Zealand
| | - Lynn Rogers
- Hopkirk Research Institute, AgResearch, Palmerston North, New Zealand
| | - Patrick Biggs
- mEpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
- School of Natural Sciences, Massey University, Palmerston North, New Zealand
| | - Jonathan Marshall
- School of Mathematical and Computational Sciences, Massey University, Palmerston North, New Zealand
| | | | - Megan Devane
- Institute of Environmental Science and Research Ltd. (ESR), Christchurch, New Zealand
| | - Rebecca Stott
- National Institute of Water and Atmospheric Research (NIWA), Hamilton, New Zealand
| | - Adrian Cookson
- Hopkirk Research Institute, AgResearch, Palmerston North, New Zealand
- mEpiLab, School of Veterinary Science, Massey University, Palmerston North, New Zealand
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Liu B, Lee CW, Bong CW, Wang AJ. Investigating Escherichia coli habitat transition from sediments to water in tropical urban lakes. PeerJ 2024; 12:e16556. [PMID: 38223759 PMCID: PMC10788090 DOI: 10.7717/peerj.16556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/09/2023] [Indexed: 01/16/2024] Open
Abstract
Background Escherichia coli is a commonly used faecal indicator bacterium to assess the level of faecal contamination in aquatic habitats. However, extensive studies have reported that sediment acts as a natural reservoir of E. coli in the extraintestinal environment. E. coli can be released from the sediment, and this may lead to overestimating the level of faecal contamination during water quality surveillance. Thus, we aimed to investigate the effects of E. coli habitat transition from sediment to water on its abundance in the water column. Methods This study enumerated the abundance of E. coli in the water and sediment at five urban lakes in the Kuala Lumpur-Petaling Jaya area, state of Selangor, Malaysia. We developed a novel method for measuring habitat transition rate of sediment E. coli to the water column, and evaluated the effects of habitat transition on E. coli abundance in the water column after accounting for its decay in the water column. Results The abundance of E. coli in the sediment ranged from below detection to 12,000 cfu g-1, and was about one order higher than in the water column (1 to 2,300 cfu mL-1). The habitat transition rates ranged from 0.03 to 0.41 h-1. In contrast, the E. coli decay rates ranged from 0.02 to 0.16 h-1. In most cases (>80%), the habitat transition rates were higher than the decay rates in our study. Discussion Our study provided a possible explanation for the persistence of E. coli in tropical lakes. To the best of our knowledge, this is the first quantitative study on habitat transition of E. coli from sediments to water column.
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Affiliation(s)
- Boyu Liu
- Laboratory of Microbial Ecology, Institute of Biological Science, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Choon Weng Lee
- Laboratory of Microbial Ecology, Institute of Biological Science, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
- Institute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Chui Wei Bong
- Laboratory of Microbial Ecology, Institute of Biological Science, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
- Institute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Ai-Jun Wang
- Laboratory of Coastal and Marine Geology, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, Fujian, China
- Fujian Provincial Key Laboratory of Marine Physical and Geological Processes, Xiamen, Fujian, China
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40
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Teteneva N, Sanches-Medeiros A, Sourjik V. Genome-wide screen of genetic determinants that govern Escherichia coli growth and persistence in lake water. THE ISME JOURNAL 2024; 18:wrae096. [PMID: 38874171 PMCID: PMC11188689 DOI: 10.1093/ismejo/wrae096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 06/15/2024]
Abstract
Although enteric bacteria normally reside within the animal intestine, the ability to persist extraintestinally is an essential part of their overall lifestyle, and it might contribute to transmission between hosts. Despite this potential importance, few genetic determinants of extraintestinal growth and survival have been identified, even for the best-studied model, Escherichia coli. In this work, we thus used a genome-wide library of barcoded transposon insertions to systematically identify functional clusters of genes that are crucial for E. coli fitness in lake water. Our results revealed that inactivation of pathways involved in maintaining outer membrane integrity, nucleotide biosynthesis, and chemotaxis negatively affected E. coli growth or survival in this extraintestinal environment. In contrast, inactivation of another group of genes apparently benefited E. coli growth or persistence in filtered lake water, resulting in higher abundance of these mutants. This group included rpoS, which encodes the general stress response sigma factor, as well as genes encoding several other global transcriptional regulators and RNA chaperones, along with several poorly annotated genes. Based on this co-enrichment, we identified these gene products as novel positive regulators of RpoS activity. We further observed that, despite their enhanced growth, E. coli mutants with inactive RpoS had reduced viability in lake water, and they were not enriched in the presence of the autochthonous microbiota. This highlights the duality of the general stress response pathway for E. coli growth outside the host.
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Affiliation(s)
- Nataliya Teteneva
- Max Planck Institute for Terrestrial Microbiology, D-35043 Marburg, Germany
- Center for Synthetic Microbiology (SYNMIKRO), D-35043 Marburg, Germany
| | - Ananda Sanches-Medeiros
- Max Planck Institute for Terrestrial Microbiology, D-35043 Marburg, Germany
- Center for Synthetic Microbiology (SYNMIKRO), D-35043 Marburg, Germany
| | - Victor Sourjik
- Max Planck Institute for Terrestrial Microbiology, D-35043 Marburg, Germany
- Center for Synthetic Microbiology (SYNMIKRO), D-35043 Marburg, Germany
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41
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Vu MP, Le Hanh Tran N, Lam TQ, Quynh Tran AT, Anh Le TP, Nguyen KT. Investigating the effects of ultrafine bubbles on bacterial growth. RSC Adv 2024; 14:2159-2169. [PMID: 38205233 PMCID: PMC10777100 DOI: 10.1039/d3ra07454d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Several previous studies have considered ultrafine bubbles as a potential research target because their properties can be applied in many different research areas. In particular, the interaction between UFBs and microorganisms has always been one of the aspects that receives much attention due to the high difficulty in controlling a living system. The properties of UFBs, as mobile air-water interfaces, are greatly determined by their gas cores which play a critical role in regulating microbial growth. This study aims to investigate the effects of ultrafine bubbles on bacterial growth. Two well-studied organisms were chosen as models - Escherichia coli and Staphylococcus aureus. Their growing behavior was examined based on the growth rate, phenotype and biomass. Three types of Luria-Bertani cultures were tested, including a standard culture containing distilled water, an air ultrafine bubble culture, and a hydrogen ultrafine bubble culture. The UFBs were generated via ultrasonic cavitation and stabilized by 50 μM SDS, which was proven to have negligible effects on bacterial growth. By comparing among the three cultivation conditions, the bacterial growth rates were observed to be the highest in exposure to HUFBs. The results also signified that UFBs had an enhancement on cell proliferation. On the other hand, while proposing an increase in cell density, bacteria cultured in HUFB media have their sizes decreased uniformly and significantly (p-value < 0.05). This study confirmed that bacterial growth was promoted by UFBs; and better effects recorded were due to the HUFB present in the culture media. However, the average morphological size of bacteria was in negative correlation with their population size.
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Affiliation(s)
- Mai Phuong Vu
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
| | - Nguyen Le Hanh Tran
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
| | - Thien Quang Lam
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
| | - Anh Thi Quynh Tran
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
| | - Thu Phan Anh Le
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
| | - Khoi Tan Nguyen
- School of Biotechnology, International University, Vietnam National University Ho Chi Minh City 700000 Vietnam +84 28 3724 4271 +84 28 3724 4270
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Smit CCH, Lambert M, Rogers K, Djordjevic SP, Van Oijen AM, Keighley C, Taxis K, Robertson H, Pont LG. One Health Determinants of Escherichia coli Antimicrobial Resistance in Humans in the Community: An Umbrella Review. Int J Mol Sci 2023; 24:17204. [PMID: 38139033 PMCID: PMC10743193 DOI: 10.3390/ijms242417204] [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: 11/14/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
To date, the scientific literature on health variables for Escherichia coli antimicrobial resistance (AMR) has been investigated throughout several systematic reviews, often with a focus on only one aspect of the One Health variables: human, animal, or environment. The aim of this umbrella review is to conduct a systematic synthesis of existing evidence on Escherichia coli AMR in humans in the community from a One Health perspective. PubMed, EMBASE, and CINAHL were searched on "antibiotic resistance" and "systematic review" from inception until 25 March 2022 (PROSPERO: CRD42022316431). The methodological quality was assessed, and the importance of identified variables was tabulated across all included reviews. Twenty-three reviews were included in this study, covering 860 primary studies. All reviews were of (critically) low quality. Most reviews focused on humans (20), 3 on animals, and 1 on both human and environmental variables. Antibiotic use, urinary tract infections, diabetes, and international travel were identified as the most important human variables. Poultry farms and swimming in freshwater were identified as potential sources for AMR transmission from the animal and environmental perspectives. This umbrella review highlights a gap in high-quality literature investigating the time between variable exposure, AMR testing, and animal and environmental AMR variables.
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Affiliation(s)
- Chloé C. H. Smit
- Graduate School of Health, University of Technology Sydney, Sydney, NSW 2008, Australia; (C.C.H.S.); (K.R.)
| | - Maarten Lambert
- Department of PharmacoTherapy, -Epidemiology and -Economics, Faculty of Science and Engineering, University of Groningen, 9713 AV Groningen, The Netherlands; (M.L.); (K.T.)
| | - Kris Rogers
- Graduate School of Health, University of Technology Sydney, Sydney, NSW 2008, Australia; (C.C.H.S.); (K.R.)
| | - Steven P. Djordjevic
- The Australian Institute for Microbiology & Infection, University of Technology Sydney, Sydney, NSW 2007, Australia;
| | - Antoine M. Van Oijen
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2050, Australia;
| | - Caitlin Keighley
- Southern.IML Pathology, Sonic Healthcare, 3 Bridge St, Wollongong, NSW 2500, Australia
- Graduate School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Katja Taxis
- Department of PharmacoTherapy, -Epidemiology and -Economics, Faculty of Science and Engineering, University of Groningen, 9713 AV Groningen, The Netherlands; (M.L.); (K.T.)
| | - Hamish Robertson
- School of Public Health & Social Work, Queensland University of Technology, Brisbane, QLD 4059, Australia;
| | - Lisa G. Pont
- Graduate School of Health, University of Technology Sydney, Sydney, NSW 2008, Australia; (C.C.H.S.); (K.R.)
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Hong W, Fu W, Zhao Q, Xue C, Cai W, Dong N, Shan A. Effects of oleanolic acid on acute liver injury triggered by lipopolysaccharide in broiler chickens. Br Poult Sci 2023; 64:697-709. [PMID: 37697900 DOI: 10.1080/00071668.2023.2251119] [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: 09/06/2022] [Revised: 06/21/2023] [Accepted: 07/03/2023] [Indexed: 09/13/2023]
Abstract
1. Infectious injury caused by lipopolysaccharide (LPS), a metabolite of gram-negative bacteria, can induce stress responses in animals and is a significant cause of morbidity and mortality in young birds. The purpose of this study was to investigate the effects of dietary supplementation with oleanolic acid (OA) on acute liver injury in broiler chickens challenged with LPS.2. In total, 120 broiler chickens were randomly divided into six groups and fed a basal diet containing 0, 50, 100, or 200 mg/kg OA or 100 mg/kg aureomycin. On d 15, broiler chickens were injected with either LPS or an equivalent volume of normal saline. Six hours after LPS injection, two broiler chicks were randomly selected for sampling in each replicate.3. The results indicated that dietary aureomycin was ineffective in alleviating LSP-associated liver injury, but protected broiler chickens from LPS-induced liver damage. This promoted a significant reduction in the levels of malondialdehyde and an increase in the levels of superoxide dismutase in liver. In addition, OA was found to cause significant reductions in the relative expression of IL-1β, IL-6, and TNF-α in broiler liver tissues, whereas the relative expression of IL-10 was significantly increased.4. In conclusion, oleanolic acid can alleviate oxidative stress and injury in the livers of broiler chickens induced by lipopolysaccharide. Consequently, oleanolic acid has potential utility as a novel anti-inflammatory and antioxidant feed additive.
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Affiliation(s)
- W Hong
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - W Fu
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - Q Zhao
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - C Xue
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - W Cai
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - N Dong
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
| | - A Shan
- The Laboratory of Molecular Nutrition and Immunity, College of Animal Science and Technology, Northeast Agricultural University, Harbin, P. R. China
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Mudadu AG, Spanu C, Salza S, Piras G, Uda MT, Giagnoni L, Fois G, Pereira JG, Pantoja JCF, Virgilio S, Tedde T. Association between rainfall and Escherichia coli in live bivalve molluscs harvested in Sardinia, Italy. Food Res Int 2023; 174:113563. [PMID: 37986518 DOI: 10.1016/j.foodres.2023.113563] [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: 08/03/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 11/22/2023]
Abstract
Rainfall is generally accepted as one of the most important factors associated with an increased level of E. coli in bivalve molluscs. Performing microbiological risk assessment is relevant to official control authorities to determine the sanitary status of harvesting areas and, therefore, develop monitoring strategies and identify management practices that could be used to improve the quality and safety of the final product. The present study aimed to investigate the impact of rainfall on the content of E. coli in bivalve molluscs farmed in Sardinia (Italy). Enumeration of E. coli was performed according to the Most Probable Number (MPN) method (ISO 16649-3) on 1,920 bivalve samples collected from 7 regional counties between 2018 and 2020. Bivalve molluscs samples included 955 mussels (Mytilus galloprovincialis), 500 oysters (Crassostrea gigas), 325 clams (Ruditapes decussatus), 94 warty venus (Venus verrucosa), and 46 lagoon cockles (Cerastoderma glaucum). Rainfall data were obtained by the Department of Meteorology of the ARPA Sardegna. For each sampling site, GPS coordinates were used to identify gauge stations within catchment areas. Cumulative rain (mm) was recorded 1, 3, 5, 7, and 15 days before sampling, among which the 7-day cumulative rain was the strongest predictor of E. coli counts. Several thresholds of 7-day cumulative rain (from <10 mm up to >300 mm) before sampling were used to estimate the chances of a non-compliant sample (E. coli levels above the limit for sanitary class A; 230 MPN/100 g). The 7-day cumulative rain was positively associated with the chances of non-compliance. When the 7-day cumulative rain before sampling was >300 mm, 80.5 % of the samples were non-compliant, and the odds of a non-compliant sample were 23.6 times higher, as compared to samples harvested when the 7-day cumulative rainfall was <10 mm. Precipitation data could be a useful tool for interpreting anomalous results from official control authorities and reduce the costs that originate from closure of production areas.
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Affiliation(s)
- A G Mudadu
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
| | - C Spanu
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy.
| | - S Salza
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
| | - G Piras
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
| | - M T Uda
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
| | - L Giagnoni
- Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - G Fois
- Meteorological, Agrometeorological and Ecosystem Service of the Regional Environment Protection Agency of Sardinia (ARPAS), Viale Porto Torres 119, 07100 Sassari, Italy
| | - J G Pereira
- Department of Animal Production and Preventive Veterinary Medicine, São Paulo State University (UNESP), Rua Prof. Walter Mauricio Correia SN, Rubião Jr., Botucatu, SP 18618-681, Brazil
| | - J C F Pantoja
- Department of Animal Production and Preventive Veterinary Medicine, São Paulo State University (UNESP), Rua Prof. Walter Mauricio Correia SN, Rubião Jr., Botucatu, SP 18618-681, Brazil
| | - S Virgilio
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
| | - T Tedde
- Veterinary Public Health Institute of Sardinia, Complex Structure of Food Hygiene, Via Duca degli Abruzzi 8, Sassari 07100, Italy
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Motta RG, Motta LSAM, Bertolini AB, Prado AM, Thyssen PJ, Hernandes RT, Orsi H, Rall VLM, Gouvea FLR, Guerra ST, Guimarães FF, Joaquim SF, Pantoja JC, Langoni H, Ribeiro MG. Identification of Escherichia coli isolated from flies (Insecta: Diptera) that inhabit the environment of dairy farms harboring extraintestinal virulence markers. J Appl Microbiol 2023; 134:lxad301. [PMID: 38086616 DOI: 10.1093/jambio/lxad301] [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: 10/10/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 12/20/2023]
Abstract
AIMS We investigate extraintestinal pathogenic genes (ExPEC) related to virulence of Escherichia coli in flies from the dairy environment. METHODS AND RESULTS We collected 217 flies from nine dairy farms, which were submitted to microbiological culture. Fifty-one E. coli were identified using mass spectrometry. Eleven dipteran families were identified, with a predominance of Muscidae, and a minor frequency of Tachinidae, Drosophilidae, Sphaeroceridae, Ulidiidae, Syrphidae, Chloropidae, Calliphoridae, Sarcophagidae, and Piophilidae. A panel of 16 virulence-encoding genes related to ExPEC infections were investigated, which revealed predominance of serum resistance (traT, 31/51 = 60.8%; ompT, 29/51 = 56.9%), iron uptake (irp2, 17/51 = 33.3%, iucD 11/51 = 21.6%), and adhesins (papC, 6/51 = 11.8%; papA, 5/51 = 9.8%). CONCLUSIONS Our findings reveal Dipterans from milking environment carrying ExPEC virulence-encoding genes also identified in clinical bovine E. coli-induced infections.
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Affiliation(s)
- Rodrigo G Motta
- Department of Veterinary Medicine, State University of Maringa, Umuarama, PR, 87507-190, Brazil
| | - Lorrayne S A M Motta
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Amanda B Bertolini
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Aline M Prado
- Department of Animal Biology, Biology Institute, University of Campinas-UNICAMP, Campinas, SP, 13083-970, Brazil
| | - Patricia J Thyssen
- Department of Animal Biology, Biology Institute, University of Campinas-UNICAMP, Campinas, SP, 13083-970, Brazil
| | - Rodrigo T Hernandes
- Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University-UNESP, Botucatu, SP, 18618-689, Brazil
| | - Henrique Orsi
- Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University-UNESP, Botucatu, SP, 18618-689, Brazil
| | - Vera L M Rall
- Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University-UNESP, Botucatu, SP, 18618-689, Brazil
| | - Fábio L R Gouvea
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Simony T Guerra
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Felipe F Guimarães
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Sâmea F Joaquim
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - José C Pantoja
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Helio Langoni
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
| | - Márcio G Ribeiro
- Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Sciences, São Paulo State University-UNESP, Botucatu, SP, 18618-681, Brazil
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46
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Yousef HMY, Hashad ME, Osman KM, Alatfeehy NM, Hassan WMM, Elebeedy LA, Salem HM, Shami A, Al-Saeed FA, El-Saadony MT, El-Tarabily KA, Marouf S. Surveillance of Escherichia coli in different types of chicken and duck hatcheries: one health outlook. Poult Sci 2023; 102:103108. [PMID: 37862868 PMCID: PMC10616547 DOI: 10.1016/j.psj.2023.103108] [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: 07/11/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 10/22/2023] Open
Abstract
Escherichia coli is an important zoonotic bacterium that significantly impacts one health concept. E. coli is normally detected in the gut of warm-blooded animals, but some serotypes can cause diseases in humans and animals. Moreover, it can continue for a long time in different environments, replicate in water, and survive outside different hosts. In this study, 171 samples collected from 10 different types of poultry hatcheries (automatic, semiautomatic, and manual "traditional" types) were examined for the prevalence of E. coli. PCR was applied to verify the E. coli isolates via 16S rRNA gene-specific primers. From the gathered samples, 62 E. coli isolates were recovered (36.3%). The highest prevalence was met with the manual "traditional" hatcheries (57.1%) with no significance difference (P = 0.243) in the 3 types of hatcheries. The incidence of E. coli varied significantly in different tested avian types and breeds. The prevalence was 35.7% in duck hatcheries and 37% in chicken hatcheries, with significant differences between breeds of both species (P = 0.024 and 0.001, respectively). The identification of zoonotic E. coli serotypes in this study is concerning, highlighting the need for collaborative efforts across various sectors, including social, environmental, and governance, to promote the adoption of the one health principle in the chicken business. Periodical surveillance, biosecurity measures at the hatcheries and farm levels, and boosting the immunity of birds were recommended to limit the risk of E. coli spread from avian sources to humans.
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Affiliation(s)
- Hend M Y Yousef
- Central Administration of Preventive Medicine, General Organization for Veterinary Service, Giza 3751254, Egypt
| | - Mahmoud E Hashad
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Kamelia M Osman
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Nayera M Alatfeehy
- Reference Laboratory for Veterinary Quality Control on Poultry Production (RLQP), Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Giza 12618, Egypt
| | - Wafaa M M Hassan
- Reference Laboratory for Veterinary Quality Control on Poultry Production (RLQP), Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Giza 12618, Egypt
| | - Lamia A Elebeedy
- Department of Microbiology, Faculty of Pharmacy, New Valley University, Kharga Oasis, New Valley 1065002, Egypt
| | - Heba M Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Ashwag Shami
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Fatimah A Al-Saeed
- Department of Biology, College of Science, King Khalid University, Abha 9088, Saudi Arabia
| | - Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Khaled A El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al Ain 15551, United Arab Emirates.
| | - Sherif Marouf
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
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47
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Gao Y, Liu J, Zhang H, Zhang X, Gui R, Zhang K, Li Y, Zhou M, Tong C, Huang SC, Wang X. Transcriptomic profiling of lipopolysaccharide-challenged bovine mammary epithelial cells treated with forsythoside A. Anim Biotechnol 2023; 34:4523-4537. [PMID: 36651589 DOI: 10.1080/10495398.2023.2165936] [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] [Indexed: 01/19/2023]
Abstract
Mastitis is usually caused by a variety of pathogenic bacteria that seriously impact the health and milk-production ability of dairy cows, with consequent, economically detrimental effects on the dairy industry. Forsythoside A (FTA), isolated from the fruit and leaves of Forsythia suspensa (Thunb.) Vahl (Oleaceae), has been reported to have significant antioxidant, anti-inflammatory, and antibacterial effects. However, it is not clear whether FTA exerts a protective effect against lipopolysaccharide (LPS)-induced bovine mastitis and its potential gene signature. In this study, high-throughput sequencing technology was performed to analyze the differences between the mRNA and enrichment pathway of bovine mammary epithelial cells of the control, LPS, and LPS + FTA groups. The results showed that there were 139 differentially expressed genes (DEGs) (p-value < 0.05, |log2FoldChange| > 1, FPKM > 1) in the LPS group compared with the control group, including 121 up-regulated genes and 18 down-regulated genes, which were mainly enriched in the cellular response to lipopolysaccharide, cytokine activity, protein binding, and IL-17 signaling pathway based on Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, respectively. Compared with the control group and LPS + FTA group, there were 349 DEGs, including 322 up-regulated genes and 27 down-regulated genes. They were mainly enriched in protein localization to organelles, centrosomes, binding, and the IL-17 signaling pathway, based on GO and KEGG analysis. Compared to the LPS group, the LPS + FTA group had 272 DEGs, including 259 up-regulated genes and 13 down-regulated genes, which were mainly enriched in RNA processing, IL-6 receptor binding, and the lysosome pathway, based on GO and KEGG analyses. It can be seen that LPS stimulation induced the expression of inflammation-related genes, IL-17 and IL-6, whereas FTA treatment promoted the expression of the spliceosome-, lysosome-, and oxidative stress-related genes HSP70, HSPA8, and PARP2. The study utilized RNA-sequencing analysis of FTA against LPS-challenged bovine mammary epithelial cells to explore key mRNA findings that may be strongly associated with inflammation and oxidative stress, and provides a theoretical reference for further elucidation of molecular mechanisms of bovine mastitis and therapeutic effects of FTA against bovine mastitis.
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Affiliation(s)
- Yingkui Gao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Jingjing Liu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Huaqiang Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Xing Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Rong Gui
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Kefei Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Yunlu Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Menghan Zhou
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Chao Tong
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
- Wushu Overseas Students Pioneer Park, Wuhu, China
| | - Shu-Cheng Huang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
| | - Xuebing Wang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
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48
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Malavez Y, Nieves-Miranda SM, Loperena Gonzalez PN, Padin-Lopez AF, Xiaoli L, Dudley EG. Exploring Antimicrobial Resistance Profiles of E. coli Isolates in Dairy Cattle: A Baseline Study across Dairy Farms with Varied Husbandry Practices in Puerto Rico. Microorganisms 2023; 11:2879. [PMID: 38138023 PMCID: PMC10745463 DOI: 10.3390/microorganisms11122879] [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: 09/14/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/24/2023] Open
Abstract
Antimicrobial treatment in livestock can contribute to the emergence and spread of antimicrobial-resistant (AMR) microorganisms. Despite substantial surveillance of AMR bacteria in the continental United States, the prevalence of these AMR organisms in U.S. territories, such as Puerto Rico, remains understudied. The goals of this research included obtaining baseline data on the antimicrobial profile of E. coli isolates from Puerto Rico dairy farms with different husbandry practices. Seventy-nine fecal samples were collected from two types of conventional dairy farms: those that fed calves with tank milk and those that fed calves with waste milk. These samples were collected from the animals' rectums, culture, and subsequently confirmed through biochemical tests. Out of these samples, 32 isolates were analyzed phenotypically and genotypically to elucidate their AMR profiles. The results underscore a discrepancy in the occurrence of antimicrobial resistance genes between calves and adult cattle. Notably, waste milk-fed calves exhibited a significantly higher prevalence of antibiotic-resistant E. coli when compared to their tank milk-fed counterparts. These disparities emphasize the need for more comprehensive investigations to determine causative factors. These results underscore the urgency of comprehensive strategies to raise awareness about how management practices influence antimicrobial resistance, shifting the focus from treatment to prevention.
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Affiliation(s)
- Yadira Malavez
- Department of Natural Sciences, University of Puerto Rico, Aguadilla, PR 00603, USA; (S.M.N.-M.); (A.F.P.-L.)
- Department of Biology, Industrial Biotechnology Program, University of Puerto Rico, Mayagüez, PR 00681, USA
- Department of Animal Sciences, Agricultural Experimental Station, University of Puerto Rico, Mayagüez, PR 00681, USA
| | - Sharon M. Nieves-Miranda
- Department of Natural Sciences, University of Puerto Rico, Aguadilla, PR 00603, USA; (S.M.N.-M.); (A.F.P.-L.)
| | - Paola N. Loperena Gonzalez
- Department of Natural Sciences, University of Puerto Rico, Aguadilla, PR 00603, USA; (S.M.N.-M.); (A.F.P.-L.)
| | - Adrian F. Padin-Lopez
- Department of Natural Sciences, University of Puerto Rico, Aguadilla, PR 00603, USA; (S.M.N.-M.); (A.F.P.-L.)
| | - Lingzi Xiaoli
- Department of Food Science, The Pennsylvania State University, University Park, PA 16802, USA (E.G.D.)
| | - Edward G. Dudley
- Department of Food Science, The Pennsylvania State University, University Park, PA 16802, USA (E.G.D.)
- E. coli Reference Center, The Pennsylvania State University, University Park, PA 16802, USA
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49
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Choix FJ, Palacios OA, Nevarez-Moorillón GV. Traditional and new proposals for environmental microbial indicators-a review. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1521. [PMID: 37995003 DOI: 10.1007/s10661-023-12150-4] [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: 09/20/2023] [Accepted: 11/18/2023] [Indexed: 11/24/2023]
Abstract
The continuous increment in world population coupled with the greatest natural resource consumption and waste generation has an enormous impact on the environment. To date, using biological indicators (bioindicators) to evaluate the biological quality of natural environments is very common. Nonetheless, selecting those suitable for each ecosystem or contaminant is one of the most important issues for environmental sciences. Bacteria and helminths are mainly related to fecal contamination, while antibiotic-resistant bacteria, fungi, viruses, and microalgae are organisms used to determine deteriorated ecosystems by diverse contaminants. Nowadays, each bioindicator is used as a specific agent of different contaminant types, but detecting and quantifying these bioindicator microorganisms can be performed from simple microscopy and culture methods up to a complex procedure based on omic sciences. Developing new techniques based on the metabolism and physiological responses of traditional bioindicators is shown in a fast environmental sensitivity analysis. Therefore, the present review focuses on analyzing different bioindicators to facilitate developing suitable monitoring environmental systems according to different pollutant agents. The traditional and new methods proposed to detect and quantify different bioindicators are also discussed. Their vital role is considered in implementing efficient ecosystem bioprospection, restoration, and conservation strategies directed to natural resource management.
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Affiliation(s)
- Francisco J Choix
- CONAHCYT - Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitario S/N, C.P. 31125, Chihuahua, Chihuahua, México.
- Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitario S/N, C.P. 31125, Chihuahua, Chihuahua, México.
| | - Oskar A Palacios
- Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitario S/N, C.P. 31125, Chihuahua, Chihuahua, México
- The Bashan Institute of Science, 1730 Post Oak Court, Auburn, AL, 36830, USA
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50
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Pereira MA, Palmeira JD, Ferreira H. Contamination of a Water Stream and Water Drainage Reaching Matosinhos Beach by Antibiotic-Resistant Bacteria. Microorganisms 2023; 11:2833. [PMID: 38137977 PMCID: PMC10745308 DOI: 10.3390/microorganisms11122833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/30/2023] [Accepted: 11/15/2023] [Indexed: 12/24/2023] Open
Abstract
Antibiotic-resistant bacteria represent a major public health concern, especially impacting medical care centers and hospitals, thereby challenging the effectiveness of current infection treatment protocols. The emergence and persistence of antimicrobial resistance in the environment have been thoroughly researched, with a focus on the aquatic environment as a potential reservoir of these bacteria in areas with anthropogenic contamination. Having this in mind, this work aims to investigate the water streams of Riguinha and Brito Capelo Street, both of which ultimately flow into Matosinhos Beach in Portugal, to determine the potential presence of fecal contamination. Six water samples were collected and analyzed within twenty-four hours from these two water streams. A phenotypic characterization was performed in various volumes on MacConkey agar with antibiotics. Randomly selected lactose-fermenting gram-negative bacteria underwent antimicrobial susceptibility tests using the agar diffusion method following EUCAST guidelines, covering β-lactam and non-β-lactam antibiotics. The isolates were analyzed through Polymerase Chain Reaction. The findings of this study confirm that both water streams were contaminated by multidrug-resistant bacteria such as Enterobacteriaceae, including Escherichia coli, the KESC group, and Pseudomonas, exhibiting extended-spectrum β-lactamases (ESBL), AmpC β-lactamases, and carbapenemases. These indicate the presence of fecal contamination with relevant antimicrobial-resistant threats.
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Affiliation(s)
- Matilde A. Pereira
- Laboratory of Microbiology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (M.A.P.); (J.D.P.)
| | - Josman D. Palmeira
- Laboratory of Microbiology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (M.A.P.); (J.D.P.)
- i4Health, UCIBIO, University of Porto, 4050-313 Porto, Portugal
| | - Helena Ferreira
- Laboratory of Microbiology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (M.A.P.); (J.D.P.)
- i4Health, UCIBIO, University of Porto, 4050-313 Porto, Portugal
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