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Bava R, Castagna F, Lupia C, Poerio G, Liguori G, Lombardi R, Naturale MD, Mercuri C, Bulotta RM, Britti D, Palma E. Antimicrobial Resistance in Livestock: A Serious Threat to Public Health. Antibiotics (Basel) 2024; 13:551. [PMID: 38927217 PMCID: PMC11200672 DOI: 10.3390/antibiotics13060551] [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: 04/30/2024] [Revised: 06/04/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Antimicrobial resistance represents an alarming public health problem; its importance is related to the significant clinical implications (increased morbidity, mortality, disease duration, development of comorbidities, and epidemics), as well as its economic effects on the healthcare sector. In fact, therapeutic options are severely limited by the advent and spread of germs resistant to many antibiotics. The situation worldwide is worrying, especially in light of the prevalence of Gram-negative bacteria-Klebsiella pneumoniae and Acinetobacter baumannii-which are frequently isolated in hospital environments and, more specifically, in intensive care units. The problem is compounded by the ineffective treatment of infections by patients who often self-prescribe therapy. Resistant bacteria also show resistance to the latest generation antibiotics, such as carbapenems. In fact, superbacteria, grouped under the acronym extended-spectrum betalactamase (ESBL), are becoming common. Antibiotic resistance is also found in the livestock sector, with serious repercussions on animal production. In general, this phenomenon affects all members of the biosphere and can only be addressed by adopting a holistic "One Health" approach. In this literature overview, a stock is taken of what has been learned about antibiotic resistance, and suggestions are proposed to stem its advance.
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Affiliation(s)
- Roberto Bava
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
| | - Fabio Castagna
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
- Mediterranean Ethnobotanical Conservatory, Sersale (CZ), 88054 Catanzaro, Italy
| | - Carmine Lupia
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
- Mediterranean Ethnobotanical Conservatory, Sersale (CZ), 88054 Catanzaro, Italy
| | - Giusi Poerio
- ATS Val Padana, Via dei Toscani, 46100 Mantova, Italy;
| | | | - Renato Lombardi
- IRCCS Casa Sollievo Della Sofferenza, San Giovanni Rotondo (FG), 71013 Foggia, Italy;
| | - Maria Diana Naturale
- Ministry of Health, Directorate General for Health Programming, 00144 Rome, Italy;
| | - Caterina Mercuri
- Department of Experimental and Clinical Medicine, University “Magna Graecia”, 88100 Catanzaro, Italy;
| | - Rosa Maria Bulotta
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
| | - Domenico Britti
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
| | - Ernesto Palma
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (C.L.); (R.M.B.); (D.B.); (E.P.)
- Center for Pharmacological Research, Food Safety, High Tech and Health (IRC-FSH), University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
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Andrés-Lasheras S, Zaheer R, Jelinski M, McAllister TA. Role of biofilms in antimicrobial resistance of the bacterial bovine respiratory disease complex. Front Vet Sci 2024; 11:1353551. [PMID: 38933702 PMCID: PMC11199855 DOI: 10.3389/fvets.2024.1353551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
An increase in chronic, non-responsive bovine respiratory disease (BRD) infections in North American feedlot cattle is observed each fall, a time when cattle are administered multiple antimicrobial treatments for BRD. A number of factors are responsible for BRD antimicrobial treatment failure, with formation of biofilms possibly being one. It is widely accepted that biofilms play a role in chronic infections in humans and it has been hypothesized that they are the default lifestyle of most bacteria. However, research on bacterial biofilms associated with livestock is scarce and significant knowledge gaps exist in our understanding of their role in AMR of the bacterial BRD complex. The four main bacterial species of the BRD complex, Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, and Mycoplasma bovis are able to form biofilms in vitro and there is evidence that at least H. somni retains this ability in vivo. However, there is a need to elucidate whether their biofilm-forming ability contributes to pathogenicity and antimicrobial treatment failure of BRD. Overall, a better understanding of the possible role of BRD bacterial biofilms in clinical disease and AMR could assist in the prevention and management of respiratory infections in feedlot cattle. We review and discuss the current knowledge of BRD bacteria biofilm biology, study methodologies, and their possible relationship to AMR.
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Affiliation(s)
- Sara Andrés-Lasheras
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB, Canada
| | - Rahat Zaheer
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB, Canada
| | - Murray Jelinski
- Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Tim A. McAllister
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB, Canada
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Gentile A, Piccolo P, Iannece P, Cicatelli A, Castiglione S, Guarino F. Reduction of antimicrobial resistance: Advancements in nature-based wastewater treatment. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134330. [PMID: 38678704 DOI: 10.1016/j.jhazmat.2024.134330] [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: 01/02/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024]
Abstract
Water scarcity, affecting one-fifth of the global population, is exacerbated by industrial, agricultural, and population growth pressures on water resources. Wastewater, containing Contaminants of Emerging Concern (CECs) such as antibiotics, presents environmental and health hazards. This study explores a Nature-Based Solution (NBS) using Constructed Wetlands (CWs) for wastewater reclamation and CECs removal. Two CW configurations (Vertical-VCW and Hybrid-HCW) were tested for their efficacy. Results show significant reduction in for all the chemico-physical and biological parameters meeting Italian water reuse standards. Furthermore, Antibiotic Resistant Bacteria (ARB) and Antibiotic Resistant Genes (ARGs) were effectively reduced, emphasizing the potential of the CWs in mitigating Antimicrobial Resistance (AMR). Lettuce seedlings irrigated with the treated wastewater exhibited no ARB/ARGs transfer, indicating the safety of the reclaimed wastewater for agricultural use. Overall, CWs emerge as sustainable Nature Based Solutions (NBS) for wastewater treatment, contributing to global water conservation efforts amid escalating water scarcity challenges.
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Affiliation(s)
- Annamaria Gentile
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, PA, Italy.
| | - Paolo Piccolo
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy.
| | - Patrizia Iannece
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy.
| | - Angela Cicatelli
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, PA, Italy.
| | - Stefano Castiglione
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, PA, Italy.
| | - Francesco Guarino
- Department of Chemistry and Biology "A. Zambelli", University of Salerno, Fisciano 84084, SA, Italy; NBFC, National Biodiversity Future Center, Palermo 90133, PA, Italy.
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Joo S, Park H, Chun MS. Attitudes of South Korean consumers toward the prudent use of antimicrobials in livestock animals. One Health 2024; 18:100754. [PMID: 38770401 PMCID: PMC11103933 DOI: 10.1016/j.onehlt.2024.100754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 05/07/2024] [Indexed: 05/22/2024] Open
Abstract
Antimicrobial resistance (AMR) in livestock is a complicated and multi-sectoral risk that threatens public health in the interactions between humans, animals, and environment. Through their increased awareness of AMR issues, consumers can make a significant impact on regulations and strategies to reduce or eliminate the use of antimicrobials use. This study aims to provide evidence-based data for promoting the prudent use of antimicrobials (PUA) in the livestock industry to reduce the risk of AMR and increase animal welfare by identifying consumers' intentions to support PUA practices in livestock farming. An online survey was conducted on 1000 respondents in South Korea to examine their intention to pay more for PUA practices in livestock farming at state and individual levels against their pro-animal attitude, risk perception of antimicrobial overuse, trust in antimicrobial overuse control, and perceived value of PUA practices. The survey data was analyzed using multiple linear regression to identify the determinants of Korean consumers' support for PUA practices. Approximately 86.3% of the respondents supported government-level spending for PUA in livestock farming, and the same portion of respondents intended to pay more for livestock products that complied with the PUA principle. The four attitudinal variables-pro-animal attitude, consumers' risk perception, trust in antimicrobial resistance control, and perceived value of PUA-positively affected both state- and individual-level support. Overall, our findings highlight the Korean consumers' demand for reducing the risk of AMR and their perceived universal value of PUA for humans and animals.
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Affiliation(s)
- Seola Joo
- Center for Animal Welfare Research, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
| | - Hyomin Park
- Department of Urban Sociology, College of Urban Science, University of Seoul, Seoul, South Korea
| | - Myung-Sun Chun
- Center for Animal Welfare Research, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
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Parajuli A, Mitchell J, King N, Arjyal A, Latham S, King R, Baral S. Drivers of antimicrobial resistance within the communities of Nepal from One Health perspective: a scoping review. Front Public Health 2024; 12:1384779. [PMID: 38706550 PMCID: PMC11066241 DOI: 10.3389/fpubh.2024.1384779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 04/01/2024] [Indexed: 05/07/2024] Open
Abstract
Background A major driver of antimicrobial resistance (AMR) is the inappropriate use of antimicrobials. At the community level, people are often engaged in behaviors that drive AMR within human, animal, and environmental (One Health) impacts. This scoping review consolidates research to determine (a) the community's knowledge, attitudes, and practices around AMR; (b) existing community-based interventions; and (c) barriers and enablers to addressing AMR in Nepal. Methods This scoping review follows the Joanna Briggs Institute scoping review methodology. Literature indexed in PubMed, Scopus, CINAHL, Global Index Medicus, HINARI-SUMMON, Embase (Ovid), Global Health (Ovid), CAB Abstracts (Ovid), Web of Science, and Google Scholar between January 2000 and January 2023 were reviewed for inclusion. Articles were included in the review if they considered the issues of AMR at the community level in Nepal; this excluded clinical and laboratory-based studies. A total of 47 studies met these criteria, were extracted, and analyzed to consolidate the key themes. Results A total of 31 (66%) articles exclusively included human health; five (11%) concentrated only on animal health; no studies solely focused on environmental aspects of AMR; and the remaining studies jointly presented human, animal, and environmental aspects. Findings revealed inadequate knowledge accompanied by inappropriate practice in both the human and animal health sectors. Four community interventions improved knowledge and practices on the appropriate use of antimicrobials among community people. However, various social and economic factors were found as barriers to the appropriate use of antimicrobials in the community. Conclusion Community engagement and One Health approaches could be key tools to improve awareness of AMR and promote behavioral change related to AM use in communities, as current studies have revealed inadequate knowledge alongside inappropriate practices shared in both human and animal health sectors. Systematic review registration DOI: 10.17605/OSF.IO/FV326.
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Affiliation(s)
| | - Jessica Mitchell
- Nuffield Centre for International Health and Development, University of Leeds, Leeds, United Kingdom
| | - Natalie King
- Academic Unit of Health Economics, University of Leeds, Leeds, United Kingdom
| | | | - Sophia Latham
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Rebecca King
- Nuffield Centre for International Health and Development, University of Leeds, Leeds, United Kingdom
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Kasanga M, Shempela DM, Daka V, Mwikisa MJ, Sikalima J, Chanda D, Mudenda S. Antimicrobial resistance profiles of Escherichia coli isolated from clinical and environmental samples: findings and implications. JAC Antimicrob Resist 2024; 6:dlae061. [PMID: 38680604 PMCID: PMC11055401 DOI: 10.1093/jacamr/dlae061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/17/2024] [Indexed: 05/01/2024] Open
Abstract
Background The overuse and misuse of antimicrobials has worsened the problem of antimicrobial resistance (AMR) globally. This study investigated the AMR profiles of Escherichia coli isolated from clinical and environmental samples in Lusaka, Zambia. Methods This was a cross-sectional study conducted from February 2023 to June 2023 using 450 samples. VITEK® 2 Compact was used to identify E. coli and perform antimicrobial susceptibility testing. Data analysis was done using WHONET 2022 and SPSS version 25.0. Results Of the 450 samples, 66.7% (n = 300) were clinical samples, whereas 33.3% (n = 150) were environmental samples. Overall, 47.8% (n = 215) (37.8% clinical and 10% environmental) tested positive for E. coli. Of the 215 E. coli isolates, 66.5% were MDR and 42.8% were ESBL-producers. Most isolates were resistant to ampicillin (81.4%), sulfamethoxazole/trimethoprim (70.7%), ciprofloxacin (67.9%), levofloxacin (64.6%), ceftriaxone (62.3%) and cefuroxime (62%). Intriguingly, E. coli isolates were highly susceptible to amikacin (100%), imipenem (99.5%), nitrofurantoin (89.3%), ceftolozane/tazobactam (82%) and gentamicin (72.1%). Conclusions This study found a high resistance of E. coli to some antibiotics that are commonly used in humans. The isolation of MDR and ESBL-producing E. coli is a public health concern and requires urgent action. Therefore, there is a need to instigate and strengthen interventional strategies including antimicrobial stewardship programmes to combat AMR in Zambia.
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Affiliation(s)
- Maisa Kasanga
- Department of Epidemiology and Biostatistics, School of Public Health, Zhengzhou University, Zhengzhou, China
| | - Doreen Mainza Shempela
- Laboratory Department, Churches Health Association of Zambia, CHAZ COMPLEX Meanwood Drive (off Great East Road), Plot No. 2882/B/5/10, P.O. Box 34511, JC9H+VFF, Lusaka, Zambia
| | - Victor Daka
- Public Health Department, Michael Chilufya Sata School of Medicine, Copperbelt University, Ndola, Zambia
| | - Mark J Mwikisa
- Department of Pathology and Microbiology, Lusaka Trust Hospital, Plot 2191, H8CC+52F, Nsumbu Rd, Woodlands, Lusaka, Zambia
| | - Jay Sikalima
- Laboratory Department, Churches Health Association of Zambia, CHAZ COMPLEX Meanwood Drive (off Great East Road), Plot No. 2882/B/5/10, P.O. Box 34511, JC9H+VFF, Lusaka, Zambia
| | - Duncan Chanda
- Adult Centre of Excellence, University Teaching Hospital, Lusaka, Zambia
| | - Steward Mudenda
- Department of Pharmacy, School of Health Sciences, University of Zambia, Lusaka, Zambia
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Leigh RJ, Corrigan A, Murphy RA, Taylor-Pickard J, Moran CA, Walsh F. Yeast mannan rich fraction positively influences microbiome uniformity, productivity associated taxa, and lay performance. Anim Microbiome 2024; 6:9. [PMID: 38438939 PMCID: PMC10913240 DOI: 10.1186/s42523-024-00295-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/11/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND Alternatives to antibiotic as growth promoters in agriculture, such as supplemental prebiotics, are required to maintain healthy and high performing animals without directly contributing to antimicrobial resistance bioburden. While the gut microbiota of broiler hens has been well established and successfully correlated to performance, to our knowledge, a study has yet to be completed on the effect of prebiotic supplementation on correlating the mature laying hen productivity and microbiota. This study focused on establishing the impact of a yeast derived prebiotic, mannan rich fraction (MRF), on the cecal microbiota of late laying hens. This study benefitted from large sample sizes so intra- and intergroup variation effects could be statistically accounted for. RESULTS Taxonomic richness was significantly greater at all taxonomic ranks and taxonomic evenness was significantly lower for all taxonomic ranks in MRF-supplemented birds (P < 0.005). Use of principal coordinate analyses and principal component analyses found significant variation between treatment groups. When assessed for compositional uniformity (an indicator of flock health), microbiota in MRF-supplemented birds was more uniform than control birds at the species level. From a food safety and animal welfare perspective, Campylobacter jejuni was significantly lower in abundance in MRF-supplemented birds. In this study, species associated with high weight gain (an anticorrelator of performance in laying hens) were significantly lower in abundance in laying hens while health-correlated butyrate and propionate producing species were significantly greater in abundance in MRF-supplemented birds. CONCLUSIONS The use of prebiotics may be a key factor in controlling the microbiota balance limiting agri-food chain pathogen persistence and in promoting uniformity. In previous studies, increased α- and β-diversity indices were determinants of pathogen mitigation and performance. MRF-supplemented birds in this study established greater α- and β-diversity indices in post-peak laying hens, greater compositional uniformity across samples, a lower pathogenic bioburden and a greater abundance of correlators of performance.
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Affiliation(s)
- Robert J Leigh
- Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland.
| | | | | | | | - Colm A Moran
- Alltech SARL, Rue Charles Amand, 14500, Vire, France
| | - Fiona Walsh
- Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland.
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Fernández Miyakawa ME, Casanova NA, Kogut MH. How did antibiotic growth promoters increase growth and feed efficiency in poultry? Poult Sci 2024; 103:103278. [PMID: 38052127 PMCID: PMC10746532 DOI: 10.1016/j.psj.2023.103278] [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: 06/09/2023] [Revised: 11/04/2023] [Accepted: 11/12/2023] [Indexed: 12/07/2023] Open
Abstract
It has been hypothesized that reducing the bioenergetic costs of gut inflammation as an explanation for the effect of antibiotic growth promoters (AGPs) on animal efficiency, framing some observations but not explaining the increase in growth rate or the prevention of infectious diseases. The host's ability to adapt to alterations in environmental conditions and to maintain health involves managing all physiological interactions that regulate homeostasis. Thus, metabolic pathways are vital in regulating physiological health as the energetic demands of the host guides most biological functions. Mitochondria are not only the metabolic heart of the cell because of their role in energy metabolism and oxidative phosphorylation, but also a central hub of signal transduction pathways that receive messages about the health and nutritional states of cells and tissues. In response, mitochondria direct cellular and tissue physiological alterations throughout the host. The endosymbiotic theory suggests that mitochondria evolved from prokaryotes, emphasizing the idea that these organelles can be affected by some antibiotics. Indeed, therapeutic levels of several antibiotics can be toxic to mitochondria, but subtherapeutic levels may improve mitochondrial function and defense mechanisms by inducing an adaptive response of the cell, resulting in mitokine production which coordinates an array of adaptive responses of the host to the stressor(s). This adaptive stress response is also observed in several bacteria species, suggesting that this protective mechanism has been preserved during evolution. Concordantly, gut microbiome modulation by subinhibitory concentration of AGPs could be the result of direct stimulation rather than inhibition of determined microbial species. In eukaryotes, these adaptive responses of the mitochondria to internal and external environmental conditions, can promote growth rate of the organism as an evolutionary strategy to overcome potential negative conditions. We hypothesize that direct and indirect subtherapeutic AGP regulation of mitochondria functional output can regulate homeostatic control mechanisms in a manner similar to those involved with disease tolerance.
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Affiliation(s)
- Mariano Enrique Fernández Miyakawa
- Institute of Pathobiology, National Institute of Agricultural Technology (INTA), Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina..
| | - Natalia Andrea Casanova
- Institute of Pathobiology, National Institute of Agricultural Technology (INTA), Argentina; National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Michael H Kogut
- Southern Plains Agricultural Research Center, USDA-ARS, College Station, TX, USA
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Parajuli A, Garbovan L, Bhattarai B, Arjyal A, Baral S, Cooke P, Latham S, Barrington DJ, Mitchell J, King R. Exploring community insights on antimicrobial resistance in Nepal: a formative qualitative study. BMC Health Serv Res 2024; 24:57. [PMID: 38212733 PMCID: PMC10782613 DOI: 10.1186/s12913-023-10470-2] [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: 04/24/2023] [Accepted: 12/12/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Antimicrobial resistance (AMR) is the process by which microbes evolve mechanisms to survive the medicines designed to destroy them i.e. antimicrobials (AMs). Despite being a natural process, AMR is being hastened by the abuse of AMs. In context of Nepal, there is limited information on drivers of AMR and barriers in addressing it from a community perspective. This study explores the local language and terminology used around AMs in the community, commonly used AMs and reasons for their usage, how these AMs are sourced, and the perceived barriers to addressing AMR via One Health approach. METHODS A phenomenological study design was utilized with applied qualitative research theoretically framed as pragmatism. Twelve in-depth interviews and informal discussions with a One Health focus, were purposively conducted with wide range of stakeholders and community resident of Kapilvastu municipality of Nepal during April 2022. The acquired data was analyzed manually via a thematic framework approach. The study obtained ethical approval from ethical review board of Nepal Health Research Council and University of Leeds. RESULTS Nepali and Awadhi languages does not have specific words for AMs or AMR, which is understandable by the community people. Rather, community use full explanatory sentences. People use AMs but have incomplete knowledge about them and they have their own local words for these medicines. The knowledge and usage of AMs across human and animal health is impacted by socio-structural factors, limited Government regulation, inadequate supply of AMs in local government health facilities and the presence of various unregulated health providers that co-exist within the health system. Novel ideas such as the use of visual and smart technology, for instance mobile phones and social media exposure, can enable access to information about AMs and AMR. CONCLUSION This study shows that terminology that is understandable by the community referring to AMs and AMR in Nepali and Awadhi languages does not exist, but full explanatory sentences and colloquial names are used. Despite regular utilisation, communities have incomplete knowledge regarding AMs. Since, knowledge alone cannot improve behaviour, behavioural interventions are required to address AMR via community engagement to co-produce their own solutions. TRIAL REGISTRATION Not applicable.
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Affiliation(s)
| | - Lidis Garbovan
- Centre for World Cinema and Digital Cultures, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | | | | | | | - Paul Cooke
- Centre for World Cinema and Digital Cultures, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | - Sophia Latham
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Chester High Road, Neston, Liverpool, CH64 7TE, UK
| | - Dani J Barrington
- School of Population and Global Health, University of Western Australia, 35 Stirling Highway, Crawley, Perth, Western, 6009, Australia
| | - Jessica Mitchell
- Nuffield Centre for International Health and Development, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
| | - Rebecca King
- Nuffield Centre for International Health and Development, University of Leeds, Woodhouse Lane, Leeds, LS2 9JT, UK
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Moriel DG, Piccioli D, Raso MM, Pizza M. The overlooked bacterial pandemic. Semin Immunopathol 2024; 45:481-491. [PMID: 38078911 PMCID: PMC11136754 DOI: 10.1007/s00281-023-00997-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/28/2023] [Indexed: 05/30/2024]
Abstract
The COVID-19 pandemic had a significant economic and health impact worldwide. It also reinforced the misperception that only viruses can pose a threat to human existence, overlooking that bacteria (e.g., plague and cholera) have severely haunted and shaped the course of human civilization. While the world is preparing for the next viral pandemic, it is again overlooking a silent one: antimicrobial resistance (AMR). This review proposes to show the impact of bacterial infections on civilization to remind the pandemic potential. The work will also discuss a few examples of how bacteria can mutate risking global spread and devastating outcomes, the effect on the global burden, and the prophylactic and therapeutic measures. Indeed, AMR is dramatically increasing and if the trend is not reversed, it has the potential to quickly turn into the most important health problem worldwide.
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Affiliation(s)
- Danilo Gomes Moriel
- GSK Vaccines Institute for Global Health, Via Fiorentina 1, 53100, Siena, Italy
| | - Diego Piccioli
- GSK Vaccines Institute for Global Health, Via Fiorentina 1, 53100, Siena, Italy
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Fresno M, Pavez L, Poblete Y, Cortez A, Del Pozo T. Unveiling antimicrobial resistance in Chilean fertilized soils: a One Health perspective on environmental AMR surveillance. Front Microbiol 2023; 14:1239761. [PMID: 38107869 PMCID: PMC10722175 DOI: 10.3389/fmicb.2023.1239761] [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: 06/14/2023] [Accepted: 11/09/2023] [Indexed: 12/19/2023] Open
Abstract
Antimicrobial resistance (AMR) poses a significant threat to humans and animals as well as the environment. Within agricultural settings, the utilization of antimicrobial agents in animal husbandry can lead to the emergence of antimicrobial resistance. In Chile, the widespread use of animal-derived organic amendments, including manure and compost, requires an examination of the potential emergence of AMR resulting from their application. The aim of this research was to identify and compare AMR genes found in fertilized soils and manure in Los Andes city, Chile. Soil samples were collected from an agricultural field, comprising unamended soils, amended soils, and manure used for crop fertilization. The selected genes (n = 28) included genes associated with resistance to beta-lactams, tetracyclines, sulfonamides, polymyxins, macrolides, quinolones, aminoglycosides, as well as mobile genetic elements and multidrug resistance genes. Twenty genes were successfully identified in the samples. Tetracycline resistance genes displayed the highest prevalence, followed by MGE and sulfonamides, while quinolone resistance genes were comparatively less abundant. Notably, blaOXA, sulA, tetO, tetW, tetM, aac (6) ib., and intI1, exhibited higher frequencies in unamended soils, indicating their potential persistence within the soil microbiome and contribution to the perpetuation of AMR over time. Given the complex nature of AMR, it is crucial to adopt an integrated surveillance framework that embraces the One Health approach, involving multiple sectors, to effectively address this challenge. This study represents the first investigation of antimicrobial resistance genes in agricultural soils in Chile, shedding light on the presence and dynamics of AMR in this context.
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Affiliation(s)
- Marcela Fresno
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Providencia, Santiago, Chile
- Red CYTED-USCC. CYTED 412RT0117: Una Salud en Iberoamérica y El Caribe frente al cambio climático y la pérdida de biodiversidad, Santiago, Chile
| | - Leonardo Pavez
- Núcleo de Investigación en Ciencias Biológicas (NICB), Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Providencia, Santiago, Chile
- Departamento de Ciencias Humanas, Universidad Bernardo O’Higgins, Santiago, Chile
| | - Yanina Poblete
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Providencia, Santiago, Chile
| | - Alexandra Cortez
- Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Santiago, Chile
| | - Talía Del Pozo
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Providencia, Santiago, Chile
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Mitchell J, Hawkings H, Latham S, Fieroze F, Arjyal A, Barrington DJ, Baral S, Saify MB, Cooke P, Hamade P, Huque R, Parajuli A, Siddiki AZ, King R. Addressing antimicrobial resistance through community engagement: a framework for developing contextually relevant and impactful behaviour change interventions. JAC Antimicrob Resist 2023; 5:dlad124. [PMID: 38021035 PMCID: PMC10673675 DOI: 10.1093/jacamr/dlad124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
Background Community engagement (CE) interventions often explore and promote behaviour change around a specific challenge. Suggestions for behaviour change should be co-produced in partnership with the community. To facilitate this, it is essential that the intervention includes key content that unpacks the challenge of interest via multiple sources of knowledge. However, where community lived experience and academic evidence appear misaligned, tensions can appear within the co-production dynamic of CE. This is specifically so within the context of antimicrobial resistance (AMR) where ideal behaviours are often superseded by what is practical or possible in a particular community context. Methods Here we describe a framework for the equitable development of contextually appropriate, clearly evidenced behavioural objectives for CE interventions. This framework explores different sources of knowledge on AMR, including the potentially competing views of different stakeholders. Findings The framework allows key content on AMR to be selected based upon academic evidence, contextual appropriateness and fit to the chosen CE approach. A case study of the framework in action exemplifies how the framework is applicable to a range of contexts, CE approaches and One Health topics beyond just AMR. Conclusions Within CE interventions, academic evidence is crucial to develop well-informed key content. However, this formative work should also involve community members, ensuring that their contextual knowledge is valued. The type of CE approach also needs careful consideration because methodological constraints may limit the breadth and depth of information that can be delivered within an intervention, and thus the scope of key content.
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Affiliation(s)
- Jessica Mitchell
- Nuffield Centre for International Health and Development, Leeds Institute for Health Sciences, Faculty of Medicine and Health, University of Leeds, Woodhouse, Leeds LS2 9JT, UK
| | - Helen Hawkings
- Malaria Consortium, The Green House 244-254 Cambridge Heath Rd, London EC2 9DA, UK
| | - Sophia Latham
- Department of Livestock and One Health, Institute of Veterinary and Ecological Sciences, University of Liverpool, Leahurst Campus, Chester High Road, Neston CH64 7TE, UK
| | - Fariza Fieroze
- ARK Foundation, Suite C3 & C4, House 06, Road 109, Gulshan-2, Dhaka 1212, Bangladesh
| | | | - Dani Jennifer Barrington
- School of Population and Global Health, The University of Western Australia, 35 Stirling Highway, Crawley 6009, Western Australia
| | | | - Md Badruddin Saify
- ARK Foundation, Suite C3 & C4, House 06, Road 109, Gulshan-2, Dhaka 1212, Bangladesh
| | - Paul Cooke
- Faculty of Arts and Humanities, Centre for World Cinemas and Digital Cultures, University of Leeds, Woodhouse, Leeds LS2 9JT, UK
| | - Prudence Hamade
- Malaria Consortium, The Green House 244-254 Cambridge Heath Rd, London EC2 9DA, UK
| | - Rumana Huque
- ARK Foundation, Suite C3 & C4, House 06, Road 109, Gulshan-2, Dhaka 1212, Bangladesh
| | | | - Amam Zonaed Siddiki
- Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Chattogram 4225, Bangladesh
| | - Rebecca King
- Nuffield Centre for International Health and Development, Leeds Institute for Health Sciences, Faculty of Medicine and Health, University of Leeds, Woodhouse, Leeds LS2 9JT, UK
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13
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Mitchell J, Arjyal A, Baral S, Barrington D, Cooke P, Fieroze F, Huque R, Hamade P, Hawkings H, Jones N, Latham S, Parajuli A, Saify MB, King R. Co-designing community-based interventions to tackle antimicrobial resistance (AMR): what to include and why. BMC Res Notes 2023; 16:290. [PMID: 37875996 PMCID: PMC10598890 DOI: 10.1186/s13104-023-06449-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/31/2023] [Indexed: 10/26/2023] Open
Abstract
Antimicrobial resistance (AMR) is a social and biological problem. Although resistance to antimicrobials is a natural phenomenon, many human behaviors are increasing the pressure on microbes to develop resistance which is resulting in many commonly used treatments becoming ineffective. These behaviors include unregulated use of antimicrobial medicines, pesticides and agricultural chemicals, the disposal of heavy metals and other pollutants into the environment, and human-induced climatic change. Addressing AMR thus calls for changes in the behaviors which drive resistance. Community engagement for antimicrobial resistance (CE4AMR) is an international and interdisciplinary network focused on tackling behavioural drivers of AMR at community level. Since 2019 this network has worked within Low-Middle Income Countries (LMICs), predominantly within Southeast Asia, to tackle behavioral drivers of AMR can be mitigated through bottom-up solutions championed by local people. This commentary presents seven Key Concepts identified from across the CE4AMR portfolio as integral to tackling AMR. We suggest it be used to guide future interventions aimed at addressing AMR via social, participatory, and behavior-change approaches.
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Affiliation(s)
- Jessica Mitchell
- Nuffield Centre for International Health and Development, Faculty of Medicine, University of Leeds, Woodhouse, Leeds, LS2 9JT, UK.
| | | | | | - Dani Barrington
- University of Western Australia, School of Population and Global Health, 35 Stirling Highway, Crawley, WA, 6009, Australia
| | - Paul Cooke
- Centre for World Cinema and Digital Cultures, Faculty of Arts and Humanities, University of Leeds, Woodhouse, Leeds, LS2 9JT, UK
| | | | | | - Prudence Hamade
- Malaria Consortium, The Green House 244-254 Cambridge Heath Rd, London, EC2 9DA, UK
| | - Helen Hawkings
- Malaria Consortium, The Green House 244-254 Cambridge Heath Rd, London, EC2 9DA, UK
| | - Nichola Jones
- Nuffield Centre for International Health and Development, Faculty of Medicine, University of Leeds, Woodhouse, Leeds, LS2 9JT, UK
| | - Sophia Latham
- Department of Livestock and One Health, Institute of Veterinary and Ecological Sciences, University of Liverpool, Leahurst Campus, Chester High Road, Neston, CH64 7TE, UK
| | | | | | - Rebecca King
- Nuffield Centre for International Health and Development, Faculty of Medicine, University of Leeds, Woodhouse, Leeds, LS2 9JT, UK
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14
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Syed Abu Thahir S, Rajendiran S, Shaharudin R, Veloo Y. Multidrug-Resistant Salmonella Species and Their Mobile Genetic Elements from Poultry Farm Environments in Malaysia. Antibiotics (Basel) 2023; 12:1330. [PMID: 37627750 PMCID: PMC10451245 DOI: 10.3390/antibiotics12081330] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 08/27/2023] Open
Abstract
The prevalence and persistent outbreaks of multidrug-resistant (MDR) Salmonella in low-income countries have received growing attention among the public and scientific community. Notably, the excessive use of antibiotics in chicken feed for the purpose of treatment or as prophylaxis in the poultry industry have led to a rising rate of antimicrobial resistance. Therefore, this study aimed to determine the presence of antimicrobial-resistant Salmonella species and its mobile genetic elements from soil and effluent samples of 33 randomly selected poultry farms in Selangor, Malaysia. Salmonella species were isolated on selective media (CHROMagar™ Salmonella). VITEK® 2 system was used to identify the isolates and their antimicrobial susceptibility. Subsequently, eight isolates were subjected to the whole genome sequencing (WGS). Based on the results, Salmonella spp. was detected in 38.1% (24/63) of samples, with the highest resistance to ampicillin (62.5%), followed by ampicillin/sulbactam (50.0%) and ciprofloxacin (45.8%). Meanwhile, the identified serovars were Salmonella enterica subspecies enterica serovar Weltevreden (S. Weltevreden), S. Jedburgh, and S. Brancaster. The most prevalent resistance genes detected include qnrS1, blaTEM-176, dfrA14, and tet(A). The IncX1 plasmid, with encoded resistance genes, was also detected in four isolates. Furthermore, mutations in the quinolone resistant-determining regions (QRDR) were discovered, specifically in the gyrA, gyrB, and parC genes. In short, surveillance such as continuous monitoring of antimicrobial resistance and emerging trends in resistance patterns through farm environmental samples could provide information to formulate public health interventions for effective infection prevention and disease control.
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Affiliation(s)
- Syahidiah Syed Abu Thahir
- Environmental Health Research Centre, Institute for Medical Research, National Institute of Health, Ministry of Health, Setia Alam, Shah Alam 40107, Malaysia
| | - Sakshaleni Rajendiran
- Environmental Health Research Centre, Institute for Medical Research, National Institute of Health, Ministry of Health, Setia Alam, Shah Alam 40107, Malaysia
| | - Rafiza Shaharudin
- Environmental Health Research Centre, Institute for Medical Research, National Institute of Health, Ministry of Health, Setia Alam, Shah Alam 40107, Malaysia
| | - Yuvaneswary Veloo
- Environmental Health Research Centre, Institute for Medical Research, National Institute of Health, Ministry of Health, Setia Alam, Shah Alam 40107, Malaysia
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15
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Theophilus RJ, Taft DH. Antimicrobial Resistance Genes (ARGs), the Gut Microbiome, and Infant Nutrition. Nutrients 2023; 15:3177. [PMID: 37513595 PMCID: PMC10383493 DOI: 10.3390/nu15143177] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
The spread of antimicrobial resistance genes (ARGs) is a major public health crisis, with the ongoing spread of ARGs leading to reduced efficacy of antibiotic treatments. The gut microbiome is a key reservoir for ARGs, and because diet shapes the gut microbiome, diet also has the potential to shape the resistome. This diet-gut microbiome-resistome relationship may also be important in infants and young children. This narrative review examines what is known about the interaction between the infant gut microbiome, the infant resistome, and infant nutrition, including exploring the potential of diet to mitigate infant ARG carriage. While more research is needed, diet has the potential to reduce infant and toddler carriage of ARGs, an important goal as part of maintaining the efficacy of available antibiotics and preserving infant and toddler health.
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Affiliation(s)
- Rufus J Theophilus
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL 32611, USA
| | - Diana Hazard Taft
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL 32611, USA
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16
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Usman Qamar M, Aatika. Impact of climate change on antimicrobial resistance dynamics: an emerging One Health challenge. Future Microbiol 2023; 18:535-539. [PMID: 37347210 DOI: 10.2217/fmb-2023-0022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023] Open
Affiliation(s)
- Muhammad Usman Qamar
- Institute of Microbiology, Faculty of Life Sciences, Government College University Faisalabad, 38000, Pakistan
| | - Aatika
- Institute of Microbiology, Faculty of Life Sciences, Government College University Faisalabad, 38000, Pakistan
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17
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Allerton F, Russell J. Antimicrobial stewardship in veterinary medicine: a review of online resources. JAC Antimicrob Resist 2023; 5:dlad058. [PMID: 37251304 PMCID: PMC10214461 DOI: 10.1093/jacamr/dlad058] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
Background An awareness of antimicrobial resistance and stewardship is important for all prescribers from a One-Health perspective. Educational resources have been created to help veterinary practitioners and encourage an optimized approach to their antimicrobial use. Objectives To support veterinarians to select the most appropriate educational resource to meet their personal learning goals in relation to veterinary antimicrobial stewardship (AMS). Methods Modular online platforms, developed to promote AMS in veterinary practice (farm and companion animal), were reviewed and key features highlighted, including the required time commitment, resource type, focus and source as well as a subjective evaluation of resource accessibility (according to prior knowledge base). Results Five different online courses are described in this educational resource review: Antimicrobial stewardship in veterinary practice; Farm Vet Champions; Farmed Animal Antimicrobial Stewardship Initiative (FAAST); the Pathway of antimicrobial resistance (AMR) for a veterinary services professional; and the VetAMS online learning program. Each of these tools introduces users to key themes of veterinary AMS. Upon completion of any of the courses practitioners should feel confident to assume an active role as proponents of rational antimicrobial use. Significant differences between resources, relating to the focus (companion or farm animal), scope and depth of material covered, are recognized reflecting their respective target audiences. Conclusions Several informative and accessible resources, centred on the core principles of veterinary AMS, were reviewed. Key features have been highlighted to inform and guide resource-users towards the most appropriate tool for them. Greater engagement with these educational resources will hopefully contribute to improved antimicrobial prescribing among veterinarians and greater awareness of the importance of stewardship for the profession.
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18
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Mitropoulou G, Stavropoulou E, Vaou N, Tsakris Z, Voidarou C, Tsiotsias A, Tsigalou C, Taban BM, Kourkoutas Y, Bezirtzoglou E. Insights into Antimicrobial and Anti-Inflammatory Applications of Plant Bioactive Compounds. Microorganisms 2023; 11:1156. [PMID: 37317131 DOI: 10.3390/microorganisms11051156] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 06/16/2023] Open
Abstract
Plants have long been thought to contribute to health promotion due to their fiber and phenolic content, as well as their inherent biological potential. The bioactive derivatives of medicinal plants are a valuable resource in the fight against serious diseases all around the world. The present review focuses on the current state of knowledge on the usage and medicinal applications of plant bioactives. Issues concerning the effect of aromatic plant derivatives on human gut microbiota and their antimicrobial and anti-inflammatory potentials are discussed and worth further exploring.
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Affiliation(s)
- Gregoria Mitropoulou
- Laboratory of Applied Microbiology and Biotechnology, Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Elisavet Stavropoulou
- Department of Infectious Diseases, Centre Hospitalier Universitaire Vaudois (CHUV), 1101 Lausanne, Switzerland
| | - Natalia Vaou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Zacharias Tsakris
- Laboratory of Microbiology, Department of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Chrysa Voidarou
- Department of Agriculture, University of Ioannina, 47132 Arta, Greece
| | - Arsenis Tsiotsias
- Department of Obstetrics, University of Western Macedonia, 50200 Ptolemaida, Greece
| | - Christina Tsigalou
- Laboratory of Microbiology, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Birce Mercanoglou Taban
- Dairy Technology Department, Faculty of Agriculture, Veterinary and Agriculture Campus, Ankara University, Diskapi, Ankara 06110, Turkey
| | - Yiannis Kourkoutas
- Laboratory of Applied Microbiology and Biotechnology, Department of Molecular Biology & Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
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19
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Martin I, Hart A. Antifungal medicines in the terrestrial environment: Levels in biosolids from England and Wales. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161999. [PMID: 36737009 DOI: 10.1016/j.scitotenv.2023.161999] [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: 12/19/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Antifungals are used widely in clinical and agricultural practice to control fungal growth, either treating or preventing infection. There are reports of increasing prevalence of resistance to antifungals in human pathogens and concern that their use in agriculture is driving clinical resistance in patients. While crop protection products are the most obvious source in agriculture, a further source may be biosolids from wastewater treatment. In the UK, these are applied to land to provide nutrients and improve soil structure for crops. In this study, biosolids from ten sites in England and one in Wales were analysed for clinical antifungals. Ketoconazole and miconazole were detected in all samples with a median concentration of 0.87 and 0.54 mg kg-1 dry weight (DW), respectively. Clotrimazole was detected at seven of eleven sites at a median level of 1.32 mg kg-1 DW and its absence at four others was considered treatment related. Two prescription-only and systemic medications, itraconazole and posaconazole, were frequently detected with median concentrations of 0.14 mg kg-1 DW and 0.09 mg kg-1 DW, respectively. The biosolid levels of itraconazole found in this study were two orders of magnitude higher than an indicative Predicted No Effect Concentration for resistance selection (PNEC-R) in soil. Neither fluconazole, griseofulvin, and voriconazole nor flucytosine and nystatin were found above the limit of detection of 0.01 or 0.1 mg kg-1 as received, respectively. The findings show that biosolids represent a viable pathway for antifungal agents to reach soil.
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Affiliation(s)
- Ian Martin
- Environment Agency, Horizon House, Deanery Road, Bristol BS1 5TL, United Kingdom of Great Britain and Northern Ireland.
| | - Alwyn Hart
- Environment Agency, Horizon House, Deanery Road, Bristol BS1 5TL, United Kingdom of Great Britain and Northern Ireland
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20
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Hernández M, Roy S, Keevil CW, Dumont MG. Identification of diverse antibiotic resistant bacteria in agricultural soil with H 218O stable isotope probing combined with high-throughput sequencing. ENVIRONMENTAL MICROBIOME 2023; 18:34. [PMID: 37072776 PMCID: PMC10111737 DOI: 10.1186/s40793-023-00489-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/28/2023] [Indexed: 05/03/2023]
Abstract
BACKGROUND We aimed to identify bacteria able to grow in the presence of several antibiotics including the ultra-broad-spectrum antibiotic meropenem in a British agricultural soil by combining DNA stable isotope probing (SIP) with high throughput sequencing. Soil was incubated with cefotaxime, meropenem, ciprofloxacin and trimethoprim in 18O-water. Metagenomes and the V4 region of the 16S rRNA gene from the labelled "heavy" and the unlabelled "light" SIP fractions were sequenced. RESULTS An increase of the 16S rRNA copy numbers in the "heavy" fractions of the treatments with 18O-water compared with their controls was detected. The treatments resulted in differences in the community composition of bacteria. Members of the phyla Acidobacteriota (formally Acidobacteria) were highly abundant after two days of incubation with antibiotics. Pseudomonadota (formally Proteobacteria) including Stenotrophomonas were prominent after four days of incubation. Furthermore, a metagenome-assembled genome (MAG-1) from the genus Stenotrophomonas (90.7% complete) was retrieved from the heavy fraction. Finally, 11 antimicrobial resistance genes (ARGs) were identified in the unbinned-assembled heavy fractions, and 10 ARGs were identified in MAG-1. In comparison, only two ARGs from the unbinned-assembled light fractions were identified. CONCLUSIONS The results indicate that both non-pathogenic soil-dwelling bacteria as well as potential clinical pathogens are present in this agricultural soil and several ARGs were identified from the labelled communities, but it is still unclear if horizontal gene transfer between these groups can occur.
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Affiliation(s)
- Marcela Hernández
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
| | - Shamik Roy
- School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ, UK
| | - C William Keevil
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Marc G Dumont
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, UK.
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21
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Sagar P, Aseem A, Banjara SK, Veleri S. The role of food chain in antimicrobial resistance spread and One Health approach to reduce risks. Int J Food Microbiol 2023; 391-393:110148. [PMID: 36868045 DOI: 10.1016/j.ijfoodmicro.2023.110148] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/14/2023] [Accepted: 02/18/2023] [Indexed: 02/26/2023]
Abstract
The incidence of antimicrobial resistance (AMR) is rapidly spreading worldwide. It is depleting the repertoire of antibiotics in use but the pace of development of new antibiotics is stagnant for decades. Annually, millions of people are killed by AMR. This alarming situation urged both scientific and civil bodies to take steps to curb AMR as a top priority. Here we review the various sources of AMR in the environment, especially focusing on the food chain. Food chain inculcates pathogens with AMR genes and serves as a conduit for its transmission. In certain countries, the antibiotics are more used in livestock than in humans. It is also used in agriculture crops of high value products. The indiscriminate use of antibiotics in livestock and agriculture increased rapid emergence of AMR pathogens. In addition, in many countries nosocomial settings are spewing AMR pathogens, which is a serious health hazard. Both the developed and low and middle income countries (LMIC) face the phenomenon of AMR. Therefore, a comprehensive approach for monitoring all sectors of life is required to identify the emerging trend of AMR in environment. AMR genes' mode of action must be understood to develop strategies to reduce risk. The new generation sequencing technologies, metagenomics and bioinformatics capabilities can be resorted to quickly identify and characterize AMR genes. The sampling for AMR monitoring can be done from multiples nodes of the food chain as envisioned and promoted by the WHO, FAO, OIE and UNEP under the One Health approach to overcome threat of AMR pathogens.
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Affiliation(s)
- Prarthi Sagar
- Drug Safety Division, ICMR-National Institute of Nutrition, Hyderabad 500007, India
| | - Ajmal Aseem
- Drug Safety Division, ICMR-National Institute of Nutrition, Hyderabad 500007, India
| | | | - Shobi Veleri
- Drug Safety Division, ICMR-National Institute of Nutrition, Hyderabad 500007, India.
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22
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de Souza ZN, de Moura DF, de Almeida Campos LA, Córdula CR, Cavalcanti IMF. Antibiotic resistance profiles on pathogenic bacteria in the Brazilian environments. Arch Microbiol 2023; 205:185. [PMID: 37043091 DOI: 10.1007/s00203-023-03524-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
The present study aimed to elaborate a review of multidrug-resistant (MDR) bacteria in soil, food, aquatic environments, cattle, poultry, and swine farms in Brazil. Initially, the literature database for published papers from 2012 to 2023 was Scientific Electronic Library Online (SciELO), U.S. National Library of Medicine (PubMed), and Google Scholar, through the descriptors: antimicrobial resistance, resistance profile, multidrug resistance, environmental bacteria, and pathogenic bacteria. The studies demonstrated the prevalence of pathogenic and resistant bacteria in environments that favor their rapid dissemination. Bacteria of medical importance, such as Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Listeria monocytogenes, Salmonella spp., Shigella spp., Vibrio spp., were present in samples from animal farms and foods, including cheese and milk, urban aquatic environments, hospital effluents, and shrimp farms. Studies suggested that important bacteria have been disseminated through different niches with easy contact with humans, animals, and food, demonstrating the danger of the emergence of increasingly difficult conditions for treating and controlling these infections. Thus, better understanding and characterizing the resistance profiles of bacteria in these regions, mainly referring to MDR bacteria, can help develop solutions to prevent the progression of this public health problem.
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Affiliation(s)
- Zion Nascimento de Souza
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Danielle Feijó de Moura
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil
| | - Luís André de Almeida Campos
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Carolina Ribeiro Córdula
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Isabella Macário Ferro Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil.
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil.
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Werkneh AA, Islam MA. Post-treatment disinfection technologies for sustainable removal of antibiotic residues and antimicrobial resistance bacteria from hospital wastewater. Heliyon 2023; 9:e15360. [PMID: 37123966 PMCID: PMC10130869 DOI: 10.1016/j.heliyon.2023.e15360] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 04/03/2023] [Accepted: 04/04/2023] [Indexed: 05/02/2023] Open
Abstract
The World Health Organization (WHO) has identified antimicrobial resistance bacteria and its spread as one of the most serious threats to public health and the environment in the twenty-first century. Different treatment scenarios are found in several countries, each with their own regulations and selection criteria for the effluent quality and management practices of hospital wastewater. To prevent the spread of disease outbreaks and other environmental threats, the development of sustainable treatment techniques that remove all antibiotics and antimicrobial resistant bacteria and genes should be required. Although few research based articles published focusing this issues, explaining the drawbacks and effectiveness of post-treatment disinfection strategies for eliminating antibiotic residues and antimicrobial resistance from hospital wastewater is the reason of this review. The application of conventional activated sludge (CAS) in large scale hospital wastewater treatments poses high energy supply needs for aeration, capital and operational costs. Membrane bioreactors (MBR) have also progressively replaced the CAS treatment systems and achieved better treatment potential, but membrane fouling, energy cost for aeration, and membrane permeability loss restrict their performance at large scale operations. In addition, the membrane process alone doesn't completely remove/degrade these micropollutants; as a substitute, the pollutants are being concentrated in a smaller volume, which requires further post-treatment. Therefore, these drawbacks should be solved by developing advanced techniques to be integrated into any of these or other secondary wastewater treatment systems, aiming for the effective removal of these micropollutants. The purpose of this paper is to review the performances of post-treatment disinfection technologies in the removal of antibiotics, antimicrobial resistant bacteria and their gens from hospital wastewater. The performance of advanced disinfection technologies (such as granular and powered activated carbon adsorption, ozonation, UV, disinfections, phytoremediation), and other integrated post-treatment techniques are primarily reviewed. Besides, the ecotoxicology and public health risks of hospital wastewater, and the development, spreading and mechanisms of antimicrobial resistant and the protection of one health are also highlighted.
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Affiliation(s)
- Adhena Ayaliew Werkneh
- Department of Environmental Health, School of Public Health, College of Health Sciences, Mekelle University, P.O. Box 1871, Mekelle, Ethiopia
- Corresponding author. ;
| | - Md Aminul Islam
- COVID-19 Diagnostic Lab, Department of Microbiology, Noakhali Science and Technology University, Noakhali-3814, Bangladesh
- Advanced Molecular Lab, Department of Microbiology, President Abdul Hamid Medical College, Karimganj, Kishoreganj, Bangladesh
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An Z, Chen F, Hao H, Xiong M, Peng H, Sun H, Wang KJ. Growth-promoting effect of antimicrobial peptide Scy-hepc on mariculture large yellow croaker Larimichthys crocea and the underlying mechanism. FISH & SHELLFISH IMMUNOLOGY 2023; 134:108649. [PMID: 36849046 DOI: 10.1016/j.fsi.2023.108649] [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: 08/22/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
With the antibiotics prohibition in feedstuffs worldwide, antimicrobial peptides (AMPs) are considered a more promising substitute for antibiotics to be used as feed additives, and positive results have been reported in livestock feeding studies. However, whether dietary supplementation of AMPs could promote the growth of mariculture animals such as fish and the underlying mechanism has not been elucidated yet. In the study, a recombinant AMP product of Scy-hepc was used as a dietary supplement (10 mg/kg) to feed mariculture juvenile large yellow croaker (Larimichthys crocea) with an average initial body weight (BW) of 52.9 g for 150 days. During the feeding trial, the fish fed with Scy-hepc showed a significant growth-promoting performance. Especially at 60 days after feeding, fish fed with Scy-hepc weighed approximately 23% more than the control group. It was further confirmed that the growth-related signaling pathways such as the GH-Jak2-STAT5-IGF1 growth axis, the PI3K-Akt and Erk/MAPK pathways were all activated in the liver after Scy-hepc feeding. Furthermore, a second repeated feeding trial was scheduled for 30 days using much smaller juvenile L. crocea with an average initial BW of 6.3 g, and similar positive results were observed. Further investigation revealed that the downstream effectors of the PI3K-Akt pathway, such as p70S6K and 4EBP1, were significantly phosphorylated, suggesting that Scy-hepc feeding might promote translation initiation and protein synthesis processes in the liver. Taken together, as an effector of innate immunity, AMP Scy-hepc played a role in promoting the growth of L. crocea and the underlying mechanism was associated with the activation of the GH-Jak2-STAT5-IGF1 axis, as well as the PI3K-Akt and Erk/MAPK signaling pathways.
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Affiliation(s)
- Zhe An
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Fangyi Chen
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Hua Hao
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Ming Xiong
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Hui Peng
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Hang Sun
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China
| | - Ke-Jian Wang
- State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China; Fujian Innovation Research Institute for Marine Biological Antimicrobial Peptide Industrial Technology, College of Ocean & Earth Sciences, Xiamen University, Xiamen, Fujian, China.
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Rovira P. Short-Term Impact of Oxytetracycline Administration on the Fecal Microbiome, Resistome and Virulome of Grazing Cattle. Antibiotics (Basel) 2023; 12:antibiotics12030470. [PMID: 36978337 PMCID: PMC10044027 DOI: 10.3390/antibiotics12030470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/14/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Antimicrobial resistance (AMR) is an important public health concern around the world. Limited information exists about AMR in grasslands-based systems where antibiotics are seldom used in beef cattle. The present study investigated the impacts of oxytetracycline (OTC) on the microbiome, antibiotic resistance genes (ARGs), and virulence factor genes (VFGs) in grazing steers with no previous exposure to antibiotic treatments. Four steers were injected with a single dose of OTC (TREAT), and four steers were kept as control (CONT). The effects of OTC on fecal microbiome, ARGs, and VFGs were assessed for 14 days using 16S rRNA sequencing and shotgun metagenomics. Alpha and beta microbiome diversities were significantly affected by OTC. Following treatment, less than 8% of bacterial genera had differential abundance between CONT and TREAT samples. Seven ARGs conferring resistance to tetracycline (tet32, tet40, tet44, tetO, tetQ, tetW, and tetW/N/W) increased their abundance in the post-TREAT samples compared to CONT samples. In addition, OTC use was associated with the enrichment of macrolide and lincosamide ARGs (mel and lnuC, respectively). The use of OTC had no significant effect on VFGs. In conclusion, OTC induced short-term alterations of the fecal microbiome and enrichment of ARGs in the feces of grazing beef cattle.
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Affiliation(s)
- Pablo Rovira
- Instituto Nacional de Investigación Agropecuaria (INIA Uruguay), Treinta y Tres 33000, Uruguay
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Antimicrobial Susceptibility Profile of Pathogenic and Commensal Bacteria Recovered from Cattle and Goat Farms. Antibiotics (Basel) 2023; 12:antibiotics12020420. [PMID: 36830330 PMCID: PMC9952079 DOI: 10.3390/antibiotics12020420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 02/22/2023] Open
Abstract
The use of antibiotics in food animals results to antimicrobial resistant bacteria that complicates the ability to treat infections. The purpose of this study was to investigate the prevalence of pathogenic and commensal bacteria in soil, water, manure, and milk from cattle and goat farms. A total of 285 environmental and 81 milk samples were analyzed for Enterobacteriaceae by using biochemical and PCR techniques. Susceptibility to antibiotics was determined by the Kirby-Bauer disk diffusion technique. A total of 15 different Enterobacteriaceae species were identified from goat and cattle farms. Manure had significantly higher (p < 0.05) Enterobacteriaceae (52.0%) than soil (37.2%), trough water (5.4%), and runoff water (5.4%). There was a significant difference (p < 0.05) in Enterobacteriaceae in goat milk (53.9%) and cow milk (46.2%). Enterobacteriaceae from environment showed 100% resistance to novobiocin, erythromycin, and vancomycin E. coli O157:H7, Salmonella spp., Enterococcus spp., and Listeria monocytogenes displayed three, five, six, and ten. AMR patterns, respectively. NOV-TET-ERY-VAN was the most common phenotype observed in all isolates. Our study suggest that cattle and goat farms are reservoirs of multidrug-resistant bacteria. Food animal producers should be informed on the prudent use of antimicrobials, good agricultural practices, and biosecurity measures.
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Morris JM, Mercoulia K, Valcanis M, Gorrie CL, Sherry NL, Howden BP. Hidden Resistances: How Routine Whole-Genome Sequencing Uncovered an Otherwise Undetected blaNDM-1 Gene in Vibrio alginolyticus from Imported Seafood. Microbiol Spectr 2023; 11:e0417622. [PMID: 36602387 PMCID: PMC9927303 DOI: 10.1128/spectrum.04176-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/06/2022] [Indexed: 01/06/2023] Open
Abstract
Vibrio alginolyticus causes vibriosis of marine vertebrates, invertebrates, and humans, and while there have been several reports of multidrug resistance in V. alginolyticus, carbapenem resistance is rare. V. alginolyticus strain AUSMDU00064140 was isolated in Melbourne, Australia, from imported prawns. Routine genomic surveillance detected the presence of a full-length blaNDM-1 gene, subsequently shown to be collocated with additional acquired antimicrobial resistance genes on a resistance cassette on the largest chromosome, flanked by mobilization gene annotations. Comparisons to a previously described V. alginolyticus plasmid, pC1349, revealed differing gene content and arrangements between the resistance cassettes. Phylogenetic analysis was performed against a local and global data set (n = 109), demonstrating that AUSMDU00064140 was distinct and did not cluster with any other strains. Despite the presence of the complete blaNDM-1 gene and positive phenotypic assays for carbapenemase production, carbapenem MICs were low (meropenem MIC ≤0.5 mg/liter). However, it is still possible that this gene may be transferred to another species in the environment or a host, causing phenotypic carbapenem resistance and presenting a risk of great public health concern. IMPORTANCE Carbapenems are last-line antimicrobials, vital for use in human medicine. Antimicrobial resistance determinants such as blaNDM (New Delhi metallo-β-lactamase producing) genes conferring resistance to the carbapenem class of antimicrobials, are typically found in Enterobacterales (first described in 2009 from a Klebsiella pneumoniae isolate). Our study shows that Vibrio alginolyticus isolated from cooked prawn is able to harbor antimicrobial resistance (AMR) genes of public health concern, specifically a chromosomally located blaNDM-1 gene, and there is the potential for transmission of resistance genes. This may be linked with antimicrobial use in low- and middle-income settings, which has typically been high, unregulated, or not reported. Many countries, including Thailand, have implemented national strategic plans to incorporate the World Health Organization (WHO)'s Global Action Plan (2015) recommendations of a global One Health approach, including increased resources for surveillance of antimicrobial usage and AMR; however, efficient antimicrobial surveillance systems incorporating genomic and phenotypic testing of isolates are still lacking in many jurisdictions.
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Affiliation(s)
- Jacqueline M. Morris
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Karolina Mercoulia
- Microbiological Diagnostic Unit Public Health Laboratory, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Mary Valcanis
- Microbiological Diagnostic Unit Public Health Laboratory, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Claire L. Gorrie
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Norelle L. Sherry
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- Microbiological Diagnostic Unit Public Health Laboratory, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Benjamin P. Howden
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- Microbiological Diagnostic Unit Public Health Laboratory, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
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Comparing the Efficacy of MALDI-TOF MS and Sequencing-Based Identification Techniques (Sanger and NGS) to Monitor the Microbial Community of Irrigation Water. Microorganisms 2023; 11:microorganisms11020287. [PMID: 36838251 PMCID: PMC9960253 DOI: 10.3390/microorganisms11020287] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/13/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023] Open
Abstract
In order to intensify and guarantee the agricultural productivity and thereby to be able to feed the world's rapidly growing population, irrigation has become very important. In parallel, the limited water resources lead to an increase in usage of poorly characterized sources of water, which is directly linked to a higher prevalence of foodborne diseases. Therefore, analyzing the microorganisms or even the complete microbiome of irrigation water used for food production can prevent the growing numbers of such cases. In this study, we compared the efficacy of MALDI-TOF Mass spectrometry (MALDI TOF MS) identification to 16S rRNA gene Sanger sequencing of waterborne microorganisms. Furthermore, we analyzed the whole microbial community of irrigation water using high-throughput 16S rRNA gene amplicon sequencing. The identification results of MALDI-TOF MS and 16S rRNA gene Sanger sequencing were almost identical at species level (66.7%; 64.3%). Based on the applied cultivation techniques, Acinetobacter spp., Enterobacter spp., Pseudomonas spp., and Brevundimonas spp. were the most abundant cultivable genera. In addition, the uncultivable part of the microbiome was dominated by Proteobacteria followed by Actinobacteria, Bacteroidota, Patescibacteria, and Verrucomicrobiota. Our findings indicate that MALDI-TOF MS offers a fast, reliable identification method and can act as an alternative to 16S rRNA gene Sanger sequencing of isolates. Moreover, the results suggest that MALDI-TOF MS paired with 16S rRNA gene amplicon sequencing have the potential to support the routine monitoring of the microbiological quality of irrigation water.
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Morris C, Wickramasingha D, Abdelfattah EM, Pereira RV, Okello E, Maier G. Prevalence of antimicrobial resistance in fecal Escherichia coli and Enterococcus spp. isolates from beef cow-calf operations in northern California and associations with farm practices. Front Microbiol 2023; 14:1086203. [PMID: 36910206 PMCID: PMC9996069 DOI: 10.3389/fmicb.2023.1086203] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/06/2023] [Indexed: 02/25/2023] Open
Abstract
Antimicrobials are necessary for the treatment of bacterial infections in animals, but increased antimicrobial resistance (AMR) is becoming a concern for veterinarians and livestock producers. This cross-sectional study was conducted on cow-calf operations in northern California to assess prevalence of AMR in Escherichia coli and Enterococcus spp. shed in feces of beef cattle of different life stages, breeds, and past antimicrobial exposures and to evaluate if any significant factors could be identified that are associated with AMR status of the isolates. A total of 244 E. coli and 238 Enterococcus isolates were obtained from cow and calf fecal samples, tested for susceptibility to 19 antimicrobials, and classified as resistant or non-susceptible to the antimicrobials for which breakpoints were available. For E. coli, percent of resistant isolates by antimicrobial were as follows: ampicillin 100% (244/244), sulfadimethoxine 25.4% (62/244), trimethoprim-sulfamethoxazole 4.9% (12/244), and ceftiofur 0.4% (1/244) while percent of non-susceptible isolates by antimicrobial were: tetracycline 13.1% (32/244), and florfenicol 19.3% (47/244). For Enterococcus spp., percent of resistant isolates by antimicrobial were as follows: ampicillin 0.4% (1/238) while percent of non-susceptible isolates by antimicrobial were tetracycline 12.6% (30/238) and penicillin 1.7% (4/238). No animal level or farm level management practices, including antimicrobial exposures, were significantly associated with differences in isolate resistant or non-susceptible status for either E. coli or Enterococcus isolates. This is contrary to the suggestion that administration of antibiotics is solely responsible for development of AMR in exposed bacteria and demonstrates that there are other factors involved, either not captured in this study or not currently well understood. In addition, the overall use of antimicrobials in this cow-calf study was lower than other sectors of the livestock industry. Limited information is available on cow-calf AMR from fecal bacteria, and the results of this study serve as a reference for future studies to support a better understanding and estimation of drivers and trends for AMR in cow-calf operations.
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Affiliation(s)
- Celeste Morris
- William R. Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Devinda Wickramasingha
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Essam M Abdelfattah
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States.,Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States.,Department of Animal Hygiene, and Veterinary Management, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
| | - Richard V Pereira
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Emmanuel Okello
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States.,Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Gabriele Maier
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
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Muleme J, Kankya C, Munyeme M, Musoke D, Ssempebwa JC, Isunju JB, Wambi R, Balugaba BE, Sekulima T, Mugambe RK, Cadmus S, Kajumbula HM. Phenotypic Characterization and Antibiograms of Extended-Spectrum Beta-Lactamase-Producing Escherichia coli Isolated at the Human-Animal-Environment Interface Using a One Health Approach Among Households in Wakiso District, Uganda. Infect Drug Resist 2023; 16:2203-2216. [PMID: 37081947 PMCID: PMC10112474 DOI: 10.2147/idr.s398951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/01/2023] [Indexed: 04/22/2023] Open
Abstract
Background The occurrence of extended spectrum beta-lactamase (ESBL) producing bacteria such as Escherichia coli has increasingly become recognized beyond hospital settings. Resistance to other types of antibiotics limits treatment options while the existence of such bacteria among humans, animals, and the environment is suggestive of potential zoonotic and reverse-zoonotic transmission. This study aimed to establish the antibiotic susceptibility profiles of the ESBL-producing Escherichia coli (ESBL-EC) from human, animal, and environmental isolates obtained among farming households within Wakiso district using a One Health approach. Methods A total of 100 ESBL-EC isolates from humans 35/100 (35%), animals 56/100 (56%), and the environment 9/100 (9%) were tested for susceptibility to 11 antibiotics. This was done using the Kirby-Bauer disk diffusion method according to Clinical and Laboratory Standards Institute (CLSI) guidelines. Data were analyzed in STATA ver. 16 and graphs were drawn in Microsoft excel ver. 10. Results Most of the ESBL-EC isolates (98%) were resistant to more than two antibiotics. ESBL-EC isolates were most susceptible to meropenem (MEM) (88.0%), and imipenem (82.0%) followed by gentamicin (72%). ESBL-EC isolates from humans were most susceptible to meropenem (MEM) followed by imipenem (IPM)> gentamicin (CN)> ciprofloxacin (CIP). Animal samples were more susceptible to MEM, IPM, and CN but were highly resistant to cefotaxime (CTX)> cefepime (FEP)>other antibiotics. Multidrug resistance (MDR) was mostly reported among households keeping goats under intensive husbandry practices. Seven percent of the isolates exhibited carbapenem resistance while 22% showed aminoglycoside resistance. Similar resistance patterns among humans, animals, and environmental samples were also reported. Conclusion Our study provides baseline information on non-hospital-based MDR caused by ESBL-EC using a One Health approach. ESBL-EC isolates were prevalent among apparently healthy community members, animals, and their environment. It is important to conduct more One Health approach studies to generate evidence on the drivers, resistance patterns, and transmission of ESBL-producing organisms at the human-animal-environmental interface.
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Affiliation(s)
- James Muleme
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
- Department of Biosecurity Ecosystems and Veterinary Public Health, Makerere University College of Veterinary Medicine Animal Resources and Biosecurity, Kampala, Uganda
- Correspondence: James Muleme, Email
| | - Clovice Kankya
- Department of Biosecurity Ecosystems and Veterinary Public Health, Makerere University College of Veterinary Medicine Animal Resources and Biosecurity, Kampala, Uganda
| | - Musso Munyeme
- Department of Disease Control, School of Veterinary Medicine, University of Zambia, Lusaka, Zambia
| | - David Musoke
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
| | - John C Ssempebwa
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
| | - John Bosco Isunju
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
| | - Rogers Wambi
- Department of Biosecurity Ecosystems and Veterinary Public Health, Makerere University College of Veterinary Medicine Animal Resources and Biosecurity, Kampala, Uganda
- Department of Clinical Laboratory, Mulago National Referral Hospital, Kampala, Uganda
| | - Bonny Enock Balugaba
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
| | - Tahalu Sekulima
- Department of Biotechnical and Diagnostic Sciences, Veterinary Microbiology Research Laboratory, College of Veterinary Medicine, Animal Resources and Biosecurity, Kampala, Uganda
| | - Richard K Mugambe
- Department of Disease Control and Environmental Health, Makerere University School of Public Health, Kampala, Uganda
| | - Simeon Cadmus
- Department of Veterinary Public Health and Preventive Medicine, Center for Control and Prevention of Zoonoses, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Henry M Kajumbula
- Department of Medical Microbiology, Makerere University College of Health Sciences, Kampala, Uganda
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Prack McCormick B, Quiroga MP, Álvarez VE, Centrón D, Tittonell P. Antimicrobial resistance dissemination associated with intensive animal production practices in Argentina: A systematic review and meta-analysis. Rev Argent Microbiol 2023; 55:25-42. [PMID: 36137889 DOI: 10.1016/j.ram.2022.07.001] [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: 09/27/2021] [Revised: 05/20/2022] [Accepted: 07/07/2022] [Indexed: 10/14/2022] Open
Abstract
Abuse and misuse of antimicrobial agents has accelerated the spread of antimicrobial-resistant bacteria. The association between antimicrobial-resistant infections in humans and antimicrobial use in agriculture is complex, but well-documented. This study provides a systematic review and meta-analysis of the dissemination of antimicrobial resistance (AMR) to antimicrobials defined as critically important by the WHO, in swine, chicken, and cattle from intensive and extensive production systems in Argentina. We conducted searches in electronic databases (MEDLINE-PubMed, Web of Science, SciELO, the National System of Digital Repositories from Argentina) as well as in the gray literature. Inclusion criteria were epidemiological studies on AMR in the main food-transmitted bacteria, Salmonella spp., Campylobacter spp., Escherichia coli and Enterococcus spp., and mastitis-causing bacteria, isolated from swine, chicken, dairy and beef cattle from Argentina. This study gives evidence for supporting the hypothesis that AMR of common food-transmitted bacteria in Argentina is reaching alarming levels. Meta-analyses followed by subgroup analyses confirmed the association between the prevalence of AMR and (a) animal species (p<0.01) for streptomycin, ampicillin and tetracycline or (b) the animal production system (p<0.05) for streptomycin, cefotaxime, nalidixic acid, ampicillin and tetracycline. Moreover, swine (0.47 [0.29; 0.66]) and intensive production (0.62 [0.34; 0.83]) showed the highest pooled prevalence of multidrug resistance while dairy (0.056 [0.003; 0.524]) and extensive production (0.107 [0.043; 0.240]) showed the lowest. A research gap regarding beef-cattle from feedlot was identified. Finally, there is an urgent need for political measures meant to coordinate and harmonize AMR surveillance and regulate antimicrobial use in animal production.
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Affiliation(s)
- Barbara Prack McCormick
- Universidad Nacional de Lomas de Zamora, Facultad de Ciencias Agrarias, RP N˚4 km 2 (1836), Llavallol, Buenos Aires, Argentina.
| | - María P Quiroga
- Laboratorio de Investigaciones en Mecanismos de Resistencia a Antibióticos, Instituto de Investigaciones en Microbiología y Parasitología Médica, Facultad de Medicina, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas (IMPaM, UBA-CONICET), Paraguay 2157 (PC 1121), Ciudad Autónoma de Buenos Aires, Argentina
| | - Verónica E Álvarez
- Laboratorio de Investigaciones en Mecanismos de Resistencia a Antibióticos, Instituto de Investigaciones en Microbiología y Parasitología Médica, Facultad de Medicina, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas (IMPaM, UBA-CONICET), Paraguay 2157 (PC 1121), Ciudad Autónoma de Buenos Aires, Argentina
| | - Daniela Centrón
- Laboratorio de Investigaciones en Mecanismos de Resistencia a Antibióticos, Instituto de Investigaciones en Microbiología y Parasitología Médica, Facultad de Medicina, Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas (IMPaM, UBA-CONICET), Paraguay 2157 (PC 1121), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Pablo Tittonell
- Agroecology, Environment and Systems Group, Instituto de Investigaciones Forestales y Agropecuarias de Bariloche, Instituto Nacional de Tecnologia Agropecuaria - Consejo Nacional de Investigaciones Científicas y Técnicas (IFAB, INTA-CONICET), Modesta Victoria 4450 - CC 277 (8400), San Carlos de Bariloche, Río Negro, Argentina; Groningen Institute of Evolutionary Life Sciences, Groningen University, PO Box 11103, 9700 CC Groningen, The Netherlands
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Leigh RJ, Corrigan A, Murphy RA, Walsh F. Effect of Mannan-rich fraction supplementation on commercial broiler intestinum tenue and cecum microbiota. Anim Microbiome 2022; 4:66. [PMID: 36536475 PMCID: PMC9762088 DOI: 10.1186/s42523-022-00208-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 10/15/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The broiler gastrointestinal microbiome is a potent flock performance modulator yet may also serve as a reservoir for pathogen entry into the food chain. The goal of this project was to characterise the effect of mannan rich fraction (MRF) supplementation on microbiome diversity and composition of the intestinum tenue and cecum of commercial broilers. This study also aimed to address some of the intrinsic biases that exist in microbiome studies which arise due to the extensive disparity in 16S rRNA gene copy numbers between bacterial species and due to large intersample variation. RESULTS We observed a divergent yet rich microbiome structure between different anatomical sites and observed the explicit effect MRF supplementation had on community structure, diversity, and pathogen modulation. Birds supplemented with MRF displayed significantly higher species richness in the cecum and significantly different bacterial community composition in each gastrointestinal (GI) tract section. Supplemented birds had lower levels of the zoonotic pathogens Escherichia coli and Clostridioides difficile across all three intestinum tenue sites highlighting the potential of MRF supplementation in maintaining food chain integrity. Higher levels of probiotic genera (eg. Lactobacillus and Blautia) were also noted in the MRF supplemented birds. Following MRF supplementation, the cecum displayed higher relative abundances of both short chain fatty acid (SFCA) synthesising bacteria and SCFA concentrations. CONCLUSIONS Mannan rich fraction addition has been observed to reduce the bioburden of pathogens in broilers and to promote greater intestinal tract microbial biodiversity. This study is the first, to our knowledge, to investigate the effect of mannan-rich fraction supplementation on the microbiome associated with different GI tract anatomical geographies. In addition to this novelty, this study also exploited machine learning and biostatistical techniques to correct the intrinsic biases associated with microbiome community studies to enable a more robust understanding of community structure.
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Affiliation(s)
- Robert J. Leigh
- grid.95004.380000 0000 9331 9029Antimicrobial Resistance and Microbiome Research Group, Department of Biology, Maynooth University, Co. Kildare, Ireland
| | - Aoife Corrigan
- grid.496915.6Alltech Inc. (Alltech European Bioscience Centre), Summerhill Road, Sarney, Dunboyne, Co. Meath, Ireland
| | - Richard A. Murphy
- grid.496915.6Alltech Inc. (Alltech European Bioscience Centre), Summerhill Road, Sarney, Dunboyne, Co. Meath, Ireland
| | - Fiona Walsh
- grid.95004.380000 0000 9331 9029Antimicrobial Resistance and Microbiome Research Group, Department of Biology, Maynooth University, Co. Kildare, Ireland
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Galgano S, Conway L, Maggio FD, Farthing K, Dalby N, Fellows A, Houdijk JGM. Precursor-derived in-water peracetic acid impacts on broiler performance, gut microbiota, and antimicrobial resistance genes. Poult Sci 2022; 102:102368. [PMID: 36566657 PMCID: PMC9801209 DOI: 10.1016/j.psj.2022.102368] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 11/04/2022] [Accepted: 11/27/2022] [Indexed: 12/07/2022] Open
Abstract
Past antimicrobial misuse has led to the spread of antimicrobial resistance amongst pathogens, reportedly a major public health threat. Attempts to reduce the spread of antimicrobial resistant (AMR) bacteria are in place worldwide, among which finding alternatives to antimicrobials have a pivotal role. Such molecules could be used as "green alternatives" to reduce the bacterial load either by targeting specific bacterial groups or more generically, functioning as biocides when delivered in vivo. In this study, the effect of in-water peracetic acid as a broad-spectrum antibiotic alternative for broilers was assessed via hydrolysis of precursors sodium percarbonate and tetraacetylethylenediamine. Six equidistant peracetic acid levels were tested from 0 to 50 ppm using four pens per treatment and 4 birds per pen (i.e., 16 birds per treatment and 96 in total). Peracetic acid was administered daily from d 7 to 14 of age whilst measuring performance parameters and end-point bacterial concentration (qPCR) in crop, jejunum, and ceca, as well as crop 16S sequencing. PAA treatment, especially at 20, 30, and 40 ppm, increased body weight at d 14, and feed intake during PAA exposure compared to control (P < 0.05). PAA decreased bacterial concentration in the crop only (P < 0.05), which was correlated to better performance (P < 0.05). Although no differences in alpha- and beta-diversity were found, it was observed a reduction of Lactobacillus (P < 0.05) and Flectobacillus (P < 0.05) in most treatments compared to control, together with an increased abundance of predicted 4-aminobutanoate degradation (V) pathway. The analysis of the AMR genes did not point towards any systematic differences in gene abundance due to treatment administration. This, together with the rest of our observations could indicate that proximal gut microbiota modulation could result in performance amelioration. Thus, peracetic acid may be a valid antimicrobial alternative that could also positively affect performance.
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Affiliation(s)
- Salvatore Galgano
- Monogastric Science Research Centre, Scotland's Rural College, Edinburgh, Scotland, United Kingdom.
| | - Leah Conway
- Gama Healthcare Ltd and Aga Nanotech Ltd, Halifax, United Kingdom
| | | | - Kathryn Farthing
- Gama Healthcare Ltd and Aga Nanotech Ltd, Halifax, United Kingdom
| | - Nikki Dalby
- Centre for Innovation Excellence in Livestock, York, United Kingdom
| | - Adrian Fellows
- Gama Healthcare Ltd and Aga Nanotech Ltd, Halifax, United Kingdom
| | - Jos G M Houdijk
- Monogastric Science Research Centre, Scotland's Rural College, Edinburgh, Scotland, United Kingdom
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Heterologous expression of antimicrobial peptides S-thanatin and bovine lactoferricin in the marine diatom Phaeodactylum tricornutum enhances native antimicrobial activity against Gram-negative bacteria. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Nava AR, Daneshian L, Sarma H. Antibiotic resistant genes in the environment-exploring surveillance methods and sustainable remediation strategies of antibiotics and ARGs. ENVIRONMENTAL RESEARCH 2022; 215:114212. [PMID: 36037921 DOI: 10.1016/j.envres.2022.114212] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 08/05/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Antibiotic Resistant Genes (ARGs) are an emerging environmental health threat due to the potential change in the human microbiome and selection for the emergence of antibiotic resistant bacteria. The rise of antibiotic resistant bacteria has caused a global health burden. The WHO (world health organization) predicts a rise in deaths due to antibiotic resistant infections. Since bacteria can acquire ARGs through horizontal transmission, it is important to assess the dissemination of antibioticresistant genes from anthropogenic sources. There are several sources of antibiotics, antibiotic resistant bacteria and genes in the environment. These include wastewater treatment plants, landfill leachate, agricultural, animal industrial sources and estuaries. The use of antibiotics is a worldwide practice that has resulted in the evolution of resistance to antibiotics. Our review provides a more comprehensive look into multiple sources of ARG's and antibiotics rather than one. Moreover, we focus on effective surveillance methods of ARGs and antibiotics and sustainable abiotic and biotic remediation strategies for removal and reduction of antibiotics and ARGs from both terrestrial and aquatic environments. Further, we consider the impact on public health as this problem cannot be addressed without a global transdisciplinary effort.
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Affiliation(s)
- Amy R Nava
- Department of Molecular and Cellular Physiology, Stanford University, Stanford, CA, 94305, USA.
| | - Leily Daneshian
- Department of Molecular and Cellular Physiology, Stanford University, Stanford, CA, 94305, USA.
| | - Hemen Sarma
- Bioremediation Technology Research Group, Department of Botany, Bodoland University, Rangalikhata, Deborgaon, Kokrajhar (BTR), Assam, 783370, India.
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de Brito FAE, de Freitas APP, Nascimento MS. Multidrug-Resistant Biofilms (MDR): Main Mechanisms of Tolerance and Resistance in the Food Supply Chain. Pathogens 2022; 11:pathogens11121416. [PMID: 36558750 PMCID: PMC9784232 DOI: 10.3390/pathogens11121416] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022] Open
Abstract
Biofilms are mono- or multispecies microbial communities enclosed in an extracellular matrix (EPS). They have high potential for dissemination and are difficult to remove. In addition, biofilms formed by multidrug-resistant strains (MDRs) are even more aggravated if we consider antimicrobial resistance (AMR) as an important public health issue. Quorum sensing (QS) and horizontal gene transfer (HGT) are mechanisms that significantly contribute to the recalcitrance (resistance and tolerance) of biofilms, making them more robust and resistant to conventional sanitation methods. These mechanisms coordinate different strategies involved in AMR, such as activation of a quiescent state of the cells, moderate increase in the expression of the efflux pump, decrease in the membrane potential, antimicrobial inactivation, and modification of the antimicrobial target and the architecture of the EPS matrix itself. There are few studies investigating the impact of the use of inhibitors on the mechanisms of recalcitrance and its impact on the microbiome. Therefore, more studies to elucidate the effect and applications of these methods in the food production chain and the possible combination with antimicrobials to establish new strategies to control MDR biofilms are needed.
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Guo T, Li Z, Shao Y, Fu Y, Zhang W, Shao Y, Zhu Y. Effects of Oxytetracycline/Lead Pollution Alone and in the Combined Form on Antibiotic Resistance Genes, Mobile Genetic Elements, and Microbial Communities in the Soil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15619. [PMID: 36497692 PMCID: PMC9737759 DOI: 10.3390/ijerph192315619] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
The application of livestock manure is the leading cause of antibiotic and heavy metal pollution in agricultural soil. However, the effects of oxytetracycline (OTC) and lead (Pb) pollution in the single or combined form on antibiotic resistance genes (ARGs) in the soil need to be further studied. This study was planned to investigate the effects of OTC and Pb application on ARGs, mobile genetic elements (MGEs), and bacterial abundance in the soil. The relative abundance of ARGs and MGEs increased by 0.31-fold and 0.03-fold after the addition of 80 mg kg-1 Pb to the soil, and by 0.49-fold and 0.03-fold after the addition of 160 mg kg-1 Pb. In addition, under the premise of the existence of OTC, the inhibitory effect of a low concentration of Pb on ARG is stronger than that of a high concentration of Pb, resulting in a lower abundance of ARGs. The abundance of ARGs and MGEs increased by 0.11-fold and 0.17-fold after the addition of OTC (30 mg kg-1) to the soil at a Pb concentration of 80 mg kg-1 and by 0.18-fold and 0.04-fold at a Pb concentration of 160 mg kg-1. The addition of OTC and Pb in the soil also decreased the many bacterial communities such as Bacteroidetes, Proteobacteria, Acidobacteria, and Firmicutes. Redundancy analysis (RDA) showed that organic matter content and pH were positively correlated with the abundance of ARGs and MGEs. At the same time, electrical conductivity (EC) had a negative correlation with the abundance of ARGs and MGEs in the soil. Intl1 was significantly associated with tetB, sul1, tetQ, sul2, and sul3. Network analysis illustrated that Actinobacteria, Bacteroidetes, and Proteobacteria were the main host bacteria causing changes in the abundance of ARGs and MGEs, and they were also predominant phylum in the culture environment. This conclusion can provide a reference for the related research of ARGs in soil.
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Affiliation(s)
- Tengfei Guo
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Zhaoyi Li
- Shandong Nuclear and Radiation Safety Monitoring Center, Jinan 250117, China
| | - Yanqiu Shao
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yanli Fu
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Weiyi Zhang
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yingying Shao
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Ying Zhu
- Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
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Hetman BM, Pearl DL, Barker DOR, Robertson J, Nash JHE, Reid-Smith R, Agunos A, Carrillo C, Topp E, Van Domselaar G, Parmley EJ, Bharat A, Mulvey M, Allen V, Taboada EN. Combining analytical epidemiology and genomic surveillance to identify risk factors associated with the spread of antimicrobial resistance in Salmonella enterica subsp. enterica serovar Heidelberg. Microb Genom 2022; 8:mgen000891. [PMID: 36748560 PMCID: PMC9836098 DOI: 10.1099/mgen.0.000891] [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] [Indexed: 11/24/2022] Open
Abstract
Antimicrobial resistance (AMR) has become a critical threat to public health worldwide. The use of antimicrobials in food and livestock agriculture, including the production of poultry, is thought to contribute to the dissemination of antibiotic resistant bacteria (ARB) and the genes and plasmids that confer the resistant phenotype (ARG). However, the relative contribution of each of these processes to the emergence of resistant pathogens in poultry production and their potential role in the transmission of resistant pathogens in human infections, requires a deeper understanding of the dynamics of ARB and ARG in food production and the factors involved in the increased risk of transmission.
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Affiliation(s)
- Benjamin M. Hetman
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada,*Correspondence: Benjamin M. Hetman,
| | - David L. Pearl
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Dillon O. R. Barker
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - James Robertson
- National Microbiology Laboratory, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - John H. E. Nash
- National Microbiology Laboratory, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Richard Reid-Smith
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada,Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Agnes Agunos
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Catherine Carrillo
- Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada
| | - Edward Topp
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada; Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - Gary Van Domselaar
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - E. Jane Parmley
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Amrita Bharat
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Michael Mulvey
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Vanessa Allen
- Public Health Ontario Laboratory, Toronto, Ontario, Canada,Present address: Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Toronto, Canada
| | - Eduardo N. Taboada
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
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Mitchell J, Cooke P, Ahorlu C, Arjyal A, Baral S, Carter L, Dasgupta R, Fieroze F, Fonseca-Braga M, Huque R, Lewycka S, Kalpana P, Saxena D, Tomley F, Tsekleves E, Vu Thi Quynh G, King R. Community engagement: The key to tackling Antimicrobial Resistance (AMR) across a One Health context? Glob Public Health 2022; 17:2647-2664. [PMID: 34882505 DOI: 10.1080/17441692.2021.2003839] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 10/27/2021] [Indexed: 12/15/2022]
Abstract
Antimicrobial resistance (AMR) is a One Health problem underpinned by complex drivers and behaviours. This is particularly so in low - and middle-income countries (LMICs), where social and systemic factors fuel (mis)use and drive AMR. Behavioural change around antimicrobial use could safeguard both existing and future treatments. However, changing behaviour necessitates engaging with people to understand their experiences. This publication describes a knowledge-exchange cluster of six LMIC-based projects who co-designed and answered a series of research questions around the usage of Community Engagement (CE) within AMR. Findings suggest that CE can facilitate AMR behaviour change, specifically in LMICs, because it is a contextualised approach which supports communities to develop locally meaningful solutions. However, current CE interventions focus on human aspects, and demand-side drivers, of AMR. Our cluster suggests that broader attention should be paid to AMR as a One Health issue. The popularity of mixed methods approaches within existing CE for AMR interventions suggests there is interdisciplinary interest in the uptake of CE. Unfortunately, the specificity and context-dependency of CE can make it difficult to evaluate and scale. Nevertheless, we suggest that in synthesising learnings from CE, we can develop a collective understanding of its scope to tackle AMR across contexts. .
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Affiliation(s)
- Jessica Mitchell
- Nuffield Centre for International Health and Development, University of Leeds, Woodhouse, UK
| | - Paul Cooke
- Centre for World Cinema and Digital Cultures, University of Leeds, Woodhouse, UK
| | - Collins Ahorlu
- Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | | | | | - Laura Carter
- School of Geography, University of Leeds, Woodhouse, UK
| | - Rajib Dasgupta
- One Health Poultry Hub, UK
- Centre of Social Medicine & Community Health, Jawaharlal Nehru University, New Delhi, India
| | | | | | | | - Sonia Lewycka
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Oxford University Clinical Research Unit, National Hospital for Tropical Diseases, Ha Noi, Vietnam
| | - Pachillu Kalpana
- Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Deepak Saxena
- Indian Institute of Public Health Gandhinagar, Gandhinagar, India
| | - Fiona Tomley
- One Health Poultry Hub, UK
- Royal Veterinary College, Hatfield, UK
| | | | - Gioa Vu Thi Quynh
- Oxford University Clinical Research Unit, National Hospital for Tropical Diseases, Ha Noi, Vietnam
| | - Rebecca King
- Nuffield Centre for International Health and Development, University of Leeds, Woodhouse, UK
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de Carvalho FM, Valiatti TB, Santos FF, Silveira ACDO, Guimarães APC, Gerber AL, Souza CDO, Cassu Corsi D, Brasiliense DM, Castelo-Branco DDSCM, Anzai EK, Bessa-Neto FO, Guedes GMDM, de Souza GHDA, Lemos LN, Ferraz LFC, Bahia MDNM, Vaz MSM, da Silva RGB, Veiga R, Simionatto S, Monteiro WAP, Lima WADO, Kiffer CRV, Campos Pignatari AC, Cayô R, de Vasconcelos ATR, Gales AC. Exploring the Bacteriome and Resistome of Humans and Food-Producing Animals in Brazil. Microbiol Spectr 2022; 10:e0056522. [PMID: 35993730 PMCID: PMC9602611 DOI: 10.1128/spectrum.00565-22] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/03/2022] [Indexed: 12/30/2022] Open
Abstract
The epidemiology of antimicrobial resistance (AMR) is complex, with multiple interfaces (human-animal-environment). In this context, One Health surveillance is essential for understanding the distribution of microorganisms and antimicrobial resistance genes (ARGs). This report describes a multicentric study undertaken to evaluate the bacterial communities and resistomes of food-producing animals (cattle, poultry, and swine) and healthy humans sampled simultaneously from five Brazilian regions. Metagenomic analysis showed that a total of 21,029 unique species were identified in 107 rectal swabs collected from distinct hosts, the highest numbers of which belonged to the domain Bacteria, mainly Ruminiclostridium spp. and Bacteroides spp., and the order Enterobacterales. We detected 405 ARGs for 12 distinct antimicrobial classes. Genes encoding antibiotic-modifying enzymes were the most frequent, followed by genes related to target alteration and efflux systems. Interestingly, carbapenemase-encoding genes such as blaAIM-1, blaCAM-1, blaGIM-2, and blaHMB-1 were identified in distinct hosts. Our results revealed that, in general, the bacterial communities from humans were present in isolated clusters, except for the Northeastern region, where an overlap of the bacterial species from humans and food-producing animals was observed. Additionally, a large resistome was observed among all analyzed hosts, with emphasis on the presence of carbapenemase-encoding genes not previously reported in Latin America. IMPORTANCE Humans and food production animals have been reported to be important reservoirs of antimicrobial resistance (AMR) genes (ARGs). The frequency of these multidrug-resistant (MDR) bacteria tends to be higher in low- and middle-income countries (LMICs), due mainly to a lack of public health policies. Although studies on AMR in humans or animals have been carried out in Brazil, this is the first multicenter study that simultaneously collected rectal swabs from humans and food-producing animals for metagenomics. Our results indicate high microbial diversity among all analyzed hosts, and several ARGs for different antimicrobial classes were also found. As far as we know, we have detected for the first time ARGs encoding carbapenemases, such as blaAIM-1, blaCAM-1, blaGIM-2, and blaHMB-1, in Latin America. Thus, our results support the importance of metagenomics as a tool to track the colonization of food-producing animals and humans by antimicrobial-resistant bacteria. In addition, a network surveillance system called GUARANI, created for this study, is ready to be expanded and to collect additional data.
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Affiliation(s)
- Fabíola Marques de Carvalho
- Bioinformatics Laboratory, National Laboratory of Scientific Computing (LNCC), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tiago Barcelos Valiatti
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | - Fernanda Fernandes Santos
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | | | - Ana Paula C. Guimarães
- Bioinformatics Laboratory, National Laboratory of Scientific Computing (LNCC), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexandra Lehmkuhl Gerber
- Bioinformatics Laboratory, National Laboratory of Scientific Computing (LNCC), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cintya de Oliveira Souza
- Seção de Bacteriologia e Micologia, Instituto Evandro Chagas (IEC), Secretaria de Vigilância em Saúde (SVS), Ministério da Saúde, Ananindeua, Pará, Brazil
| | - Dandara Cassu Corsi
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | - Danielle Murici Brasiliense
- Seção de Bacteriologia e Micologia, Instituto Evandro Chagas (IEC), Secretaria de Vigilância em Saúde (SVS), Ministério da Saúde, Ananindeua, Pará, Brazil
| | | | | | - Francisco Ozório Bessa-Neto
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
- Universidade Federal de São Paulo (UNIFESP), Laboratório de Imunologia e Bacteriologia (LIB), Setor de Biologia Molecular, Microbiologia e Imunologia, Departamento de Ciências Biológicas (DCB), Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF), Diadema, São Paulo, Brazil
| | - Glaucia Morgana de Melo Guedes
- Postgraduate Program in Medical Microbiology, Group of Applied Medical Microbiology, Federal University of Ceará (UFC), Fortaleza, Ceará, Brazil
| | | | - Leandro Nascimento Lemos
- Bioinformatics Laboratory, National Laboratory of Scientific Computing (LNCC), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lúcio Fábio Caldas Ferraz
- Laboratory of Molecular Biology of Microorganisms, University São Francisco (USF), Bragança Paulista, São Paulo, Brazil
| | - Márcia de Nazaré Miranda Bahia
- Seção de Bacteriologia e Micologia, Instituto Evandro Chagas (IEC), Secretaria de Vigilância em Saúde (SVS), Ministério da Saúde, Ananindeua, Pará, Brazil
| | - Márcia Soares Mattos Vaz
- Universidade Federal da Grande Dourados (UFGD), Laboratório de Pesquisa em Ciências da Saúde, Dourados, Mato Grosso do Sul, Brazil
| | - Ramon Giovani Brandão da Silva
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
- Universidade Federal de São Paulo (UNIFESP), Laboratório de Imunologia e Bacteriologia (LIB), Setor de Biologia Molecular, Microbiologia e Imunologia, Departamento de Ciências Biológicas (DCB), Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF), Diadema, São Paulo, Brazil
| | - Ruanita Veiga
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | - Simone Simionatto
- Universidade Federal da Grande Dourados (UFGD), Laboratório de Pesquisa em Ciências da Saúde, Dourados, Mato Grosso do Sul, Brazil
| | | | - William Alencar de Oliveira Lima
- Seção de Bacteriologia e Micologia, Instituto Evandro Chagas (IEC), Secretaria de Vigilância em Saúde (SVS), Ministério da Saúde, Ananindeua, Pará, Brazil
| | - Carlos Roberto Veiga Kiffer
- Universidade Federal de São Paulo (UNIFESP), Laboratório Especial de Microbiologia Clínica (LEMC), Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | - Antonio Carlos Campos Pignatari
- Universidade Federal de São Paulo (UNIFESP), Laboratório Especial de Microbiologia Clínica (LEMC), Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
| | - Rodrigo Cayô
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
- Universidade Federal de São Paulo (UNIFESP), Laboratório de Imunologia e Bacteriologia (LIB), Setor de Biologia Molecular, Microbiologia e Imunologia, Departamento de Ciências Biológicas (DCB), Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF), Diadema, São Paulo, Brazil
| | | | - Ana Cristina Gales
- Universidade Federal de São Paulo (UNIFESP), Laboratório Alerta, Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
- Universidade Federal de São Paulo (UNIFESP), Laboratório Especial de Microbiologia Clínica (LEMC), Division of Infectious Diseases, Department of Internal Medicine, Escola Paulista de Medicina (EPM), São Paulo, São Paulo, Brazil
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Min S, Zhou Y, Sun Y, Ye J, Dong Y, Wang X, Zhou Z, Zhou H, Li H. Knowledge, attitude, and practice associated with antimicrobial resistance among medical students between 2017 and 2022: A survey in East China. Front Public Health 2022; 10:1010582. [PMID: 36353280 PMCID: PMC9637849 DOI: 10.3389/fpubh.2022.1010582] [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: 08/03/2022] [Accepted: 10/07/2022] [Indexed: 01/27/2023] Open
Abstract
This study described the knowledge, attitude, practice regarding antimicrobial resistance (AMR) among medical students between 2017 and 2022 in East China. A questionnaire-based survey was conducted with a total of 1,066 respondents. We highlighted that the undergraduates had a significant increase in the knowledge of antimicrobial resistance during the 5 years from 2017 to 2022 (p < 0.001). The majority of the assertions about the AMR were correctly identified by respondents. However, gaps were still observed in the issues of antimicrobial targets and bacterial transmission. In addition, overconfident attitudes and inappropriate behaviors of antimicrobial overuse and misuse were observed in the respondents. A number of 30.2% to 45.2% of the respondents asserted that there is no risk of AMR as long as the antimicrobials are taken correctly, and a proportion of the students (25.3% in 2022; 69.3% in 2017, p < 0.001) declared to buy antimicrobials from friends or family members to treat the same illness. Finally, spearman correlation coefficient was enrolled to compare the correlation of the student's KAP. Results showed that the students' knowledge of antimicrobials had a correlation with attitude (p = 0.0126) and practice (p < 0.001), suggesting that public education on knowledge could influence the behaviors among the medical students. Taken all together, our findings show a need to strengthen the medical students' cogitation on antimicrobial attitude and practice of appropriate usage as an essential strategy to reduce intractable public health problems. Additional curriculum reforms will be needed to add more specific AMR-related lectures to raise awareness amongst medical students in China.
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Affiliation(s)
- Shengyi Min
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China
| | - Yuxuan Zhou
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China
| | - Yuxuan Sun
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China
| | - Jiaquan Ye
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China
| | - Yongfei Dong
- Department of Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, China
| | - Xichao Wang
- Department of Biostatistics, School of Public Health, Medical College of Soochow University, Suzhou, China,Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, China
| | - Zhemin Zhou
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China
| | - Hanyu Zhou
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China,*Correspondence: Heng Li
| | - Heng Li
- Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, China,Hanyu Zhou
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42
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Andersson T, Adell AD, Moreno‐Switt AI, Spégel P, Turner C, Overballe‐Petersen S, Fuursted K, Lood R. Biogeographical variation in antimicrobial resistance in rivers is influenced by agriculture and is spread through bacteriophages. Environ Microbiol 2022; 24:4869-4884. [PMID: 35799549 PMCID: PMC9796506 DOI: 10.1111/1462-2920.16122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 06/29/2022] [Indexed: 01/01/2023]
Abstract
Antibiotic resistance is currently an extensive medical challenge worldwide, with global numbers increasing steadily. Recent data have highlighted wastewater treatment plants as a reservoir of resistance genes. The impact of these findings for human health can best be summarized using a One Health concept. However, the molecular mechanisms impacting resistance spread have not been carefully evaluated. Bacterial viruses, that is bacteriophages, have recently been shown to be important mediators of bacterial resistance genes in environmental milieus and are transferrable to human pathogens. Herein, we investigated the biogeographical impact on resistance spread through river-borne bacteriophages using amplicon deep sequencing of the microbiota, absolute quantification of resistance genes using ddPCR, and phage induction capacity within wastewater. Microbial biodiversity of the rivers is significantly affected by river site, surrounding milieu and time of sampling. Furthermore, areas of land associated with agriculture had a significantly higher ability to induce bacteriophages carrying antibiotic resistance genes, indicating their impact on resistance spread. It is imperative that we continue to analyse global antibiotic resistance problem from a One Health perspective to gain novel insights into mechanisms of resistance spread.
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Affiliation(s)
| | - Aiko D. Adell
- Escuela de Medicina Veterinaria, Facultad de Ciencias de la VidaUniversidad Andres BelloSantiagoChile,Millennium Initiative for Collaborative Research On Bacterial Resistance (MICROB‐R)SantiagoChile
| | - Andrea I. Moreno‐Switt
- Millennium Initiative for Collaborative Research On Bacterial Resistance (MICROB‐R)SantiagoChile,Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de MedicinaPontificia Universidad Católica de ChileSantiagoChile
| | - Peter Spégel
- Department of ChemistryLund UniversityLundSweden
| | | | | | - Kurt Fuursted
- Statens Serum InstituteBacterial Reference CenterCopenhagenDenmark
| | - Rolf Lood
- Department of Clinical SciencesLund UniversityLundSweden
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43
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Emergence and spread of antibiotic-resistant foodborne pathogens from farm to table. Food Sci Biotechnol 2022; 31:1481-1499. [PMID: 36065433 PMCID: PMC9435411 DOI: 10.1007/s10068-022-01157-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/26/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Antibiotics have been overused and misused for preventive and therapeutic purposes. Specifically, antibiotics are frequently used as growth promoters for improving productivity and performance of food-producing animals such as pigs, cattle, and poultry. The increasing use of antibiotics has been of great concern worldwide due to the emergence of antibiotic resistant bacteria. Food-producing animals are considered reservoirs for antibiotic resistance genes (ARGs) and residual antibiotics that transfer from the farm through the table. The accumulation of residual antibiotics can lead to additional antibiotic resistance in bacteria. Therefore, this review evaluates the risk of carriage and spread of antibiotic resistance through food chain and the potential impact of antibiotic use in food-producing animals on food safety. This review also includes in-depth discussion of promising antibiotic alternatives such as vaccines, immune modulators, phytochemicals, antimicrobial peptides, probiotics, and bacteriophages.
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Macedo G, Olesen AK, Maccario L, Hernandez Leal L, v. d. Maas P, Heederik D, Mevius D, Sørensen SJ, Schmitt H. Horizontal Gene Transfer of an IncP1 Plasmid to Soil Bacterial Community Introduced by Escherichia coli through Manure Amendment in Soil Microcosms. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:11398-11408. [PMID: 35896060 PMCID: PMC9387108 DOI: 10.1021/acs.est.2c02686] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The quantification and identification of new plasmid-acquiring bacteria in representative mating conditions is critical to characterize the risk of horizontal gene transfer in the environment. This study aimed to quantify conjugation events resulting from manure application to soils and identify the transconjugants resulting from these events. Conjugation was quantified at multiple time points by plating and flow cytometry, and the transconjugants were recovered by fluorescence-activated cell sorting and identified by 16S rRNA sequencing. Overall, transconjugants were only observed within the first 4 days after manure application and at values close to the detection limits of this experimental system (1.00-2.49 log CFU/g of manured soil, ranging between 10-5 and 10-4 transconjugants-to-donor ratios). In the pool of recovered transconjugants, we found amplicon sequence variants (ASVs) of genera whose origin was traced to soils (Bacillus and Nocardioides) and manure (Comamonas and Rahnella). This work showed that gene transfer from fecal to soil bacteria occurred despite the less-than-optimal conditions faced by manure bacteria when transferred to soils, but these events were rare, mainly happened shortly after manure application, and the plasmid did not colonize the soil community. This study provides important information to determine the risks of AMR spread via manure application.
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Affiliation(s)
- Gonçalo Macedo
- Department
of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, The Netherlands
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
| | - Asmus K. Olesen
- Department
of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Lorrie Maccario
- Department
of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Lucia Hernandez Leal
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
| | - Peter v. d. Maas
- Van
Hall Larenstein, University of Applied Sciences, Agora 1, 8901 BV Leeuwarden, The Netherlands
| | - Dick Heederik
- Institute
for Risk Assessment Sciences, Utrecht University, Yalelaan 2, 3584 CM Utrecht, The Netherlands
| | - Dik Mevius
- Department
of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, The Netherlands
- Department
of Bacteriology and Epidemiology, Wageningen
Bioveterinary Research, Houtribweg 39, 8221 RA Lelystad, The Netherlands
| | - Søren J. Sørensen
- Department
of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Heike Schmitt
- Wetsus,
European Centre of Excellence for Sustainable Water Technology, Oostergoweg 9, 8911 MA Leeuwarden, The Netherlands
- Institute
for Risk Assessment Sciences, Utrecht University, Yalelaan 2, 3584 CM Utrecht, The Netherlands
- Centre
for Infectious Disease Control, National
Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, The Netherlands
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Damashek J, Westrich JR, McDonald JMB, Teachey ME, Jackson CR, Frye JG, Lipp EK, Capps KA, Ottesen EA. Non-point source fecal contamination from aging wastewater infrastructure is a primary driver of antibiotic resistance in surface waters. WATER RESEARCH 2022; 222:118853. [PMID: 35870389 DOI: 10.1016/j.watres.2022.118853] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 07/06/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
Antibiotic resistance is a global threat to human health. Many surface water resources are environmental hotspots of antibiotic resistant gene (ARG) transfer, with agricultural runoff and human waste highlighted as common sources of ARGs to aquatic systems. Here we quantified fecal marker genes and ARGs in 992 stream water samples collected seasonally during a 5-year period from 115 sites across the Upper Oconee watershed (Georgia, USA), an area characterized by gradients of agricultural and urban development. Widespread fecal contamination was found from humans (48% of samples), ruminants (55%), and poultry (19%), and 73% of samples tested positive for at least one of the six targeted ARGs (ermB, tet(B), blaCTX-M-1, blaKPC, blaSHV, and qnrS). While ARGs were strongly correlated with human fecal markers, many highly contaminated samples were not associated with sewage outfalls, an expected source of fecal and ARG pollution. To determine sources of contamination, we synthesized ARG and fecal marker data with geospatial data on land use/land cover and wastewater infrastructure across the watershed. This novel analysis found strong correlations between ARGs and measures of sewer density, sewer length, and septic system age within sample watersheds, indicating non-point sources of fecal contamination from aging wastewater infrastructure can be critical disseminators of anthropogenic ARGs in the environment.
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Affiliation(s)
- Julian Damashek
- Department of Microbiology, University of Georgia, 120 Cedar Street, Athens, GA 30602, USA
| | - Jason R Westrich
- Department of Microbiology, University of Georgia, 120 Cedar Street, Athens, GA 30602, USA
| | - Jacob M Bateman McDonald
- Lewis F. Rogers Institute for Environmental and Spatial Analysis, University of North Georgia, 2636 Mathis Drive, Oakwood, GA 30566, USA
| | - Morgan E Teachey
- Department of Microbiology, University of Georgia, 120 Cedar Street, Athens, GA 30602, USA
| | - Charlene R Jackson
- Bacterial Epidemiology and Antimicrobial Resistance Research Unit, U.S. National Poultry Research Center, USDA-ARS, 950 College Station Road, Athens, GA 30605, USA
| | - Jonathan G Frye
- Bacterial Epidemiology and Antimicrobial Resistance Research Unit, U.S. National Poultry Research Center, USDA-ARS, 950 College Station Road, Athens, GA 30605, USA
| | - Erin K Lipp
- Department of Environmental Health Science, University of Georgia, 150 East Green Street, Athens, GA 30602, USA
| | - Krista A Capps
- Odum School of Ecology, University of Georgia, 140 East Green Street, Athens, GA 30602, USA; Savannah River Ecology Laboratory, University of Georgia, SRS Building 737A, Aiken, SC 29808, USA
| | - Elizabeth A Ottesen
- Department of Microbiology, University of Georgia, 120 Cedar Street, Athens, GA 30602, USA.
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46
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Smyth C, Leigh RJ, Delaney S, Murphy RA, Walsh F. Shooting hoops: globetrotting plasmids spreading more than just antimicrobial resistance genes across One Health. Microb Genom 2022; 8. [PMID: 35960657 PMCID: PMC9484753 DOI: 10.1099/mgen.0.000858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Our study provides novel insights into the global nature of antimicrobial resistance (AMR) plasmids across the food chain. We provide compelling evidence of the globetrotting nature of AMR plasmids and the need for surveillance to sequence plasmids with a template of analyses for others to expand these data. The AMR plasmids analysed were detected in 63 countries and in samples from humans, animals and the environment. They contained a combination of known and novel AMR genes, metal resistance genes, virulence factors, phage and replicon types.
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Affiliation(s)
- Cian Smyth
- Antimicrobial Resistance & Microbiome Research Group, Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
| | - Robert J Leigh
- Antimicrobial Resistance & Microbiome Research Group, Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
| | - Sarah Delaney
- Antimicrobial Resistance & Microbiome Research Group, Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
| | - Richard A Murphy
- Alltech European Bioscience Centre, Dunboyne, Co. Meath, Ireland
| | - Fiona Walsh
- Antimicrobial Resistance & Microbiome Research Group, Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
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47
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Evolutionary Dynamics between Phages and Bacteria as a Possible Approach for Designing Effective Phage Therapies against Antibiotic-Resistant Bacteria. Antibiotics (Basel) 2022; 11:antibiotics11070915. [PMID: 35884169 PMCID: PMC9311878 DOI: 10.3390/antibiotics11070915] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 02/06/2023] Open
Abstract
With the increasing global threat of antibiotic resistance, there is an urgent need to develop new effective therapies to tackle antibiotic-resistant bacterial infections. Bacteriophage therapy is considered as a possible alternative over antibiotics to treat antibiotic-resistant bacteria. However, bacteria can evolve resistance towards bacteriophages through antiphage defense mechanisms, which is a major limitation of phage therapy. The antiphage mechanisms target the phage life cycle, including adsorption, the injection of DNA, synthesis, the assembly of phage particles, and the release of progeny virions. The non-specific bacterial defense mechanisms include adsorption inhibition, superinfection exclusion, restriction-modification, and abortive infection systems. The antiphage defense mechanism includes a clustered regularly interspaced short palindromic repeats (CRISPR)–CRISPR-associated (Cas) system. At the same time, phages can execute a counterstrategy against antiphage defense mechanisms. However, the antibiotic susceptibility and antibiotic resistance in bacteriophage-resistant bacteria still remain unclear in terms of evolutionary trade-offs and trade-ups between phages and bacteria. Since phage resistance has been a major barrier in phage therapy, the trade-offs can be a possible approach to design effective bacteriophage-mediated intervention strategies. Specifically, the trade-offs between phage resistance and antibiotic resistance can be used as therapeutic models for promoting antibiotic susceptibility and reducing virulence traits, known as bacteriophage steering or evolutionary medicine. Therefore, this review highlights the synergistic application of bacteriophages and antibiotics in association with the pleiotropic trade-offs of bacteriophage resistance.
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48
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Prevalence and Molecular Characterisation of Extended-Spectrum Beta-Lactamase-Producing Shiga Toxin-Producing Escherichia coli, from Cattle Farm to Aquatic Environments. Pathogens 2022; 11:pathogens11060674. [PMID: 35745529 PMCID: PMC9230396 DOI: 10.3390/pathogens11060674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/02/2022] [Accepted: 06/07/2022] [Indexed: 01/23/2023] Open
Abstract
Extended-spectrum beta-lactamase (ESBL)-producing bacteria are a major problem for public health worldwide because of limited treatment options. Currently, only limited information is available on ESBL-producing Shiga toxin-producing Escherichia coli (STEC) in cattle farms and the surrounding aquatic environment. This study sought to track and characterise ESBL-producing STEC disseminating from a cattle farm into the water environment. Animal husbandry soil (HS), animal manure (AM), animal drinking water (ADW), and nearby river water (NRW) samples were collected from the cattle farm. Presumptive ESBL-producing STEC were isolated and identified using chromogenic media and mass spectrophotometry methods (MALDI-TOF-MS), respectively. The isolates were subjected to molecular analysis, and all confirmed ESBL-producing STEC isolates were serotyped for their O serogroups and assessed for antibiotic resistance genes (ARGs) and for the presence of selected virulence factors (VFs). A phylogenetic tree based on the multilocus sequences was constructed to determine the relatedness among isolates of ESBL-producing STEC. The highest prevalence of ESBL-producing STEC of 83.33% was observed in HS, followed by ADW with 75%, NRW with 68.75%, and the lowest was observed in AM with 64.58%. Out of 40 randomly selected isolates, 88% (n = 35) belonged to the serogroup O45 and 13% (n = 5) to the serogroup O145. The multilocus sequence typing (MLST) analysis revealed four different sequence types (STs), namely ST10, ST23, ST165, and ST117, and the predominant ST was found to be ST10. All 40 isolates carried sul1 (100%), while blaOXA, blaCTX-M, sul2, blaTEM, and qnrS genes were found in 98%, 93%, 90%, 83%, and 23% of the 40 isolates, respectively. For VFs, only stx2 was detected in ESBL-producing STEC isolates. The results of the present study indicated that a cattle environment is a potential reservoir of ESBL-producing STEC, which may disseminate into the aquatic environment through agricultural runoff, thus polluting water sources. Therefore, continual surveillance of ESBL-producing STEC non-O157 would be beneficial for controlling and preventing STEC-related illnesses originating from livestock environments.
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49
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Menck-Costa MF, Baptista AAS, Gazal LEDS, Justino L, Sanches MS, de Souza M, Nishio EK, Queiroz Dos Santos B, Cruz VD, Berbert JVM, Gonçalves BC, Andrade G, Vespero EC, Nakazato G, Kobayashi RKT. High-Frequency Detection of fosA3 and bla CTX-M-55 Genes in Escherichia coli From Longitudinal Monitoring in Broiler Chicken Farms. Front Microbiol 2022; 13:846116. [PMID: 35663865 PMCID: PMC9158547 DOI: 10.3389/fmicb.2022.846116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Considering the worrying emergence of multidrug resistance, including in animal husbandry and especially in food-producing animals, the need to detect antimicrobial resistance strains in poultry environments is relevant, mainly considering a One Health approach. Thus, this study aimed to conduct longitudinal monitoring of antimicrobial resistance in broiler chicken farms, with an emphasis on evaluating the frequency of resistance to fosfomycin and β-lactams. Escherichia coli was isolated from broiler chicken farms (cloacal swabs, meconium, poultry feed, water, poultry litter, and Alphitobius diaperinus) in northern Paraná from 2019 to 2020 during three periods: the first period (1st days of life), the second period (20th to 25th days of life), and third period (40th to 42nd days of life). Antibiogram tests and the detection of phenotypic extended-spectrum β-lactamase (ESBL) were performed, and they were confirmed by seaching for genes from the blaCTX–M group. The other resistance genes searched were mcr-1 and fosA3. Some ESBL blaCTX–M–1 group strains were selected for ESBL identification by sequencing and enterobacterial repetitive intergenic consensus-polymerase chain reaction analysis. To determine the transferability of the blaCTX–M–1– and fosA3-carrying plasmids, strains were subjected to conjugation experiments. A total of 507 E. coli were analyzed: 360 from cloacal swabs, 24 from meconium samples, 3 from poultry feed samples, 18 from water samples, 69 from poultry litter samples, and 33 from A. diaperinus samples. Among the strain isolate, 80% (406/507) were multidrug-resistant (MDR), and 51% (260/507) were ESBL-positive, with the blaCTX–M–1 group being the most frequent. For the fosA3 gene, 68% (344/507) of the strains isolated were positive, deserves to be highlighted E. coli isolated from day-old chickens (OR 6.34, CI 2.34–17.17), when compared with strains isolated from other origins (poultry litter, A. diaperinus, water, and poultry feed). This work alerts us to the high frequency of the fosA3 gene correlated with the CTX-M-1 group (OR 3.57, CI 95% 2.7–4.72, p < 0.05), especially the blaCTX–M–55 gene, in broiler chickens. This profile was observed mainly in day-old chicken, with a high percentage of E. coli that were MDR. The findings emphasize the importance of conducting longitudinal monitoring to detect the primary risk points during poultry production.
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Affiliation(s)
- Maísa Fabiana Menck-Costa
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - Ana Angelita Sampaio Baptista
- Department of Preventive Veterinary Medicine, Avian Medicine Laboratory, State University of Londrina, Londrina, Brazil
| | | | - Larissa Justino
- Department of Preventive Veterinary Medicine, Avian Medicine Laboratory, State University of Londrina, Londrina, Brazil
| | - Matheus Silva Sanches
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - Marielen de Souza
- Department of Preventive Veterinary Medicine, Avian Medicine Laboratory, State University of Londrina, Londrina, Brazil
| | - Erick Kenji Nishio
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - Beatriz Queiroz Dos Santos
- Department of Preventive Veterinary Medicine, Avian Medicine Laboratory, State University of Londrina, Londrina, Brazil
| | - Victor Dellevedove Cruz
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - João Vitor Monteiro Berbert
- Department of Preventive Veterinary Medicine, Avian Medicine Laboratory, State University of Londrina, Londrina, Brazil
| | - Bruna Carolina Gonçalves
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - Galdino Andrade
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
| | - Eliana Carolina Vespero
- Department of Pathology, Clinical Analysis and Toxicology, Health Sciences Center, State University of Londrina, Londrina, Brazil
| | - Gerson Nakazato
- Department of Microbiology, Biological Sciences Center, State University of Londrina, Londrina, Brazil
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50
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Nhung NT, Yen NTP, Dung NTT, Nhan NTM, Phu DH, Kiet BT, Thwaites G, Geskus RB, Baker S, Carrique-Mas J, Choisy M. Antimicrobial resistance in commensal Escherichia coli from humans and chickens in the Mekong Delta of Vietnam is driven by antimicrobial usage and potential cross-species transmission. JAC Antimicrob Resist 2022; 4:dlac054. [PMID: 35663829 PMCID: PMC9154321 DOI: 10.1093/jacamr/dlac054] [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: 01/05/2022] [Accepted: 04/28/2022] [Indexed: 11/14/2022] Open
Abstract
Objectives To investigate phenotypic antimicrobial resistance (AMR) in relation to antimicrobial use (AMU) and potential inter-species transmission among Escherichia coli from humans and chickens located in the same households in the Mekong Delta of Vietnam. Methods We collected data on AMU and faecal swabs from humans (N = 426) and chickens (N = 237) from 237 small-scale farms. From each sample, one E. coli strain was isolated and tested for its susceptibility against 11 antimicrobials by Sensititre AST. The association between AMR and AMU was investigated by logistic regression modelling. Using randomization, we compared the degree of similarity in AMR patterns between human and chicken E. coli from the same farms compared with isolates from different farms. Results The AMU rate was ∼19 times higher in chickens (291.1 per 1000 chicken-days) than in humans (15.1 per 1000 person-days). Isolates from chickens also displayed a higher prevalence of multidrug resistance (63.3%) than those of human origin (55.1%). AMU increased the probability of resistance in isolates from human (ORs between 2.1 and 5.3) and chicken (ORs between 1.9 and 4.8). E. coli from humans and chickens living on same farms had a higher degree of similarity in their AMR patterns than isolates from humans and chicken living on different farms. Conclusions We demonstrated the co-influence of AMU and potential transmission on observed phenotypic AMR patterns among E. coli isolates from food-producing animals and in-contact humans. Restricting unnecessary AMU alongside limiting interspecies contact (i.e. increasing hygiene and biocontainment) are essential for reducing the burden of AMR.
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Affiliation(s)
- Nguyen Thi Nhung
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
| | | | | | | | - Doan Hoang Phu
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Faculty of Animal Science and Veterinary Medicine, Nong Lam University, Ho Chi Minh City, Vietnam
| | - Bach Tuan Kiet
- Sub-Department of Animal Health and Production, Dong Thap Province, Vietnam
| | - Guy Thwaites
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
| | - Ronald B. Geskus
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
| | - Stephen Baker
- Cambridge Institute of Therapeutic Immunology & Infectious Disease, University of Cambridge, Cambridge, UK
| | - Juan Carrique-Mas
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
| | - Marc Choisy
- Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK
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