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Amábile-Cuevas CF, Lund-Zaina S. Non-Canonical Aspects of Antibiotics and Antibiotic Resistance. Antibiotics (Basel) 2024; 13:565. [PMID: 38927231 PMCID: PMC11200725 DOI: 10.3390/antibiotics13060565] [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: 04/17/2024] [Revised: 05/09/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
The understanding of antibiotic resistance, one of the major health threats of our time, is mostly based on dated and incomplete notions, especially in clinical contexts. The "canonical" mechanisms of action and pharmacodynamics of antibiotics, as well as the methods used to assess their activity upon bacteria, have not changed in decades; the same applies to the definition, acquisition, selective pressures, and drivers of resistance. As a consequence, the strategies to improve antibiotic usage and overcome resistance have ultimately failed. This review gathers most of the "non-canonical" notions on antibiotics and resistance: from the alternative mechanisms of action of antibiotics and the limitations of susceptibility testing to the wide variety of selective pressures, lateral gene transfer mechanisms, ubiquity, and societal factors maintaining resistance. Only by having a "big picture" view of the problem can adequate strategies to harness resistance be devised. These strategies must be global, addressing the many aspects that drive the increasing prevalence of resistant bacteria aside from the clinical use of antibiotics.
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Affiliation(s)
| | - Sofia Lund-Zaina
- Department of Public Health, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark
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2
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Wang Z, Chen Q, Zhang J, Xu H, Miao L, Zhang T, Liu D, Zhu Q, Yan H, Yan D. Climate warming promotes collateral antibiotic resistance development in cyanobacteria. WATER RESEARCH 2024; 256:121642. [PMID: 38657307 DOI: 10.1016/j.watres.2024.121642] [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: 12/14/2023] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Both cyanobacterial blooms and antibiotic resistance have aggravated worldwide and posed a great threat to public health in recent years. As a significant source and reservoir of water environmental resistome, cyanobacteria exhibit confusing discrepancy between their reduced susceptibility and their chronic exposure to antibiotic mixtures at sub-inhibitory concentrations. How the increasing temperature affects the adaptive evolution of cyanobacteria-associated antibiotic resistance in response to low-level antibiotic combinations under climate change remains unclear. Here we profiled the antibiotic interaction and collateral susceptibility networks among 33 commonly detected antibiotics in 600 cyanobacterial strains isolated from 50 sites across four eutrophicated lakes in China. Cyanobacteria-associated antibiotic resistance level was found positively correlated to antibiotic heterogeneity across all sites. Among 528 antibiotic combinations, antagonism was observed for 62 % interactions and highly conserved within cyanobacterial species. Collateral resistance was detected in 78.5 % of pairwise antibiotic interaction, leading to a widened or shifted upwards mutant selection window for increased opportunity of acquiring second-step mutations. We quantified the interactive promoting effect of collateral resistance and increasing temperature on the evolution of both phenotypic and genotypic cyanobacteria-associated resistance under chronic exposure to environmental level of antibiotic combinations. With temperature increasing from 16 °C to 36 °C, the evolvability index and genotypic resistance level increased by 1.25 - 2.5 folds and 3 - 295 folds in the collateral-resistance-informed lineages, respectively. Emergence of resistance mutation pioneered by tolerance, which was jointly driven by mutation rate and persister fraction, was found to be accelerated by increased temperature and antibiotic switching rate. Our findings provided mechanic insights into the boosting effect of climate warming on the emergence and development of cyanobacteria-associated resistance against collateral antibiotic phenotypes.
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Affiliation(s)
- Zhiyuan Wang
- National Key Laboratory of Water Disaster Prevention, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China
| | - Qiuwen Chen
- National Key Laboratory of Water Disaster Prevention, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China.
| | - Jianyun Zhang
- National Key Laboratory of Water Disaster Prevention, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210098, China.
| | - Huacheng Xu
- Nanjing Institute of Geography & Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Lingzhan Miao
- College of Environment, Hohai University, Nanjing 210098, China
| | - Tao Zhang
- Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China
| | - Dongsheng Liu
- Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China
| | - Qiuheng Zhu
- Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China
| | - Hanlu Yan
- National Key Laboratory of Water Disaster Prevention, Nanjing Hydraulic Research Institute, Nanjing 210098, China; Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China
| | - Dandan Yan
- Center for Eco-Environment Research, Nanjing Hydraulic Research Institute, Nanjing 210098, China
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Di Cesare A, Sathicq MB, Sbaffi T, Sabatino R, Manca D, Breider F, Coudret S, Pinnell LJ, Turner JW, Corno G. Parity in bacterial communities and resistomes: Microplastic and natural organic particles in the Tyrrhenian Sea. MARINE POLLUTION BULLETIN 2024; 203:116495. [PMID: 38759465 DOI: 10.1016/j.marpolbul.2024.116495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 05/10/2024] [Accepted: 05/12/2024] [Indexed: 05/19/2024]
Abstract
Petroleum-based microplastic particles (MPs) are carriers of antimicrobial resistance genes (ARGs) in aquatic environments, influencing the selection and spread of antimicrobial resistance. This research characterized MP and natural organic particle (NOP) bacterial communities and resistomes in the Tyrrhenian Sea, a region impacted by plastic pollution and climate change. MP and NOP bacterial communities were similar but different from the free-living planktonic communities. Likewise, MP and NOP ARG abundances were similar but different (higher) from the planktonic communities. MP and NOP metagenome-assembled genomes contained ARGs associated with mobile genetic elements and exhibited co-occurrence with metal resistance genes. Overall, these findings show that MPs and NOPs harbor potential pathogenic and antimicrobial resistant bacteria, which can aid in the spread of antimicrobial resistance. Further, petroleum-based MPs do not represent novel ecological niches for allochthonous bacteria; rather, they synergize with NOPs, collectively facilitating the spread of antimicrobial resistance in marine ecosystems.
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Affiliation(s)
- Andrea Di Cesare
- National Research Council of Italy - Water Research Institute (CNR-IRSA) Molecular Ecology Group (MEG), Verbania, Italy
| | - Maria Belen Sathicq
- Instituto de Limnología "Dr. Raúl A. Ringuelet" (ILPLA) CONICET-UNLP, Bv. 120 y 62 n1437, La Plata, Buenos Aires, Argentina
| | - Tomasa Sbaffi
- National Research Council of Italy - Water Research Institute (CNR-IRSA) Molecular Ecology Group (MEG), Verbania, Italy
| | - Raffaella Sabatino
- National Research Council of Italy - Water Research Institute (CNR-IRSA) Molecular Ecology Group (MEG), Verbania, Italy
| | - Dario Manca
- National Research Council of Italy - Water Research Institute (CNR-IRSA) Molecular Ecology Group (MEG), Verbania, Italy
| | - Florian Breider
- Ecole Polytechnique Fédérale de Lausanne EPFL, Central Environmental Laboratory, IIE, ENAC, Station 2, CH-1015 Lausanne, Switzerland
| | - Sylvain Coudret
- Ecole Polytechnique Fédérale de Lausanne EPFL, Central Environmental Laboratory, IIE, ENAC, Station 2, CH-1015 Lausanne, Switzerland
| | - Lee J Pinnell
- Veterinary Education, Research, and Outreach Program, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, Canyon, TX, USA
| | - Jeffrey W Turner
- Department of Life Sciences, Texas A&M University, Corpus Christi, TX, USA
| | - Gianluca Corno
- National Research Council of Italy - Water Research Institute (CNR-IRSA) Molecular Ecology Group (MEG), Verbania, Italy.
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Liu X, Qin P, Wen H, Wang W, Zhao J. Seasonal meropenem resistance in Acinetobacter baumannii and influence of temperature-driven adaptation. BMC Microbiol 2024; 24:149. [PMID: 38678219 PMCID: PMC11055336 DOI: 10.1186/s12866-024-03271-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/22/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Recognition of seasonal trends in bacterial infection and drug resistance rates may enhance diagnosis, direct therapeutic strategies, and inform preventive measures. Limited data exist on the seasonal variability of Acinetobacter baumannii. We investigated the seasonality of A. baumannii, the correlation between temperature and meropenem resistance, and the impact of temperature on this bacterium. RESULTS Meropenem resistance rates increased with lower temperatures, peaking in winter/colder months. Nonresistant strain detection exhibited temperature-dependent seasonality, rising in summer/warmer months and declining in winter/colder months. In contrast, resistant strains showed no seasonality. Variations in meropenem-resistant and nonresistant bacterial resilience to temperature changes were observed. Nonresistant strains displayed growth advantages at temperatures ≥ 25 °C, whereas meropenem-resistant A. baumannii with β-lactamase OXA-23 exhibited greater resistance to low-temperature (4 °C) stress. Furthermore, at 4 °C, A. baumannii upregulated carbapenem resistance-related genes (adeJ, oxa-51, and oxa-23) and increased meropenem stress tolerance. CONCLUSIONS Meropenem resistance rates in A. baumannii display seasonality and are negatively correlated with local temperature, with rates peaking in winter, possibly linked to the differential adaptation of resistant and nonresistant isolates to temperature fluctuations. Furthermore, due to significant resistance rate variations between quarters, compiling monthly or quarterly reports might enhance comprehension of antibiotic resistance trends. Consequently, this could assist in formulating strategies to control and prevent resistance within healthcare facilities.
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Affiliation(s)
- Xiaoxuan Liu
- Hebei Provincial Center for Clinical Laboratories, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People's Republic of China
| | - Pu Qin
- Hebei Provincial Center for Clinical Laboratories, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People's Republic of China
| | - Hainan Wen
- Department of Laboratory Medicine, Affiliated Hospital of Chengde Medical University, Chengde, 067000, People's Republic of China
| | - Weigang Wang
- Hebei Provincial Center for Clinical Laboratories, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People's Republic of China
| | - Jianhong Zhao
- Hebei Provincial Center for Clinical Laboratories, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People's Republic of China.
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Rzymski P, Gwenzi W, Poniedziałek B, Mangul S, Fal A. Climate warming, environmental degradation and pollution as drivers of antibiotic resistance. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123649. [PMID: 38402936 DOI: 10.1016/j.envpol.2024.123649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/17/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Antibiotic resistance is a major challenge to public health, but human-caused environmental changes have not been widely recognized as its drivers. Here, we provide a comprehensive overview of the relationships between environmental degradation and antibiotic resistance, demonstrating that the former can potentially fuel the latter with significant public health outcomes. We describe that (i) global warming favors horizontal gene transfer, bacterial infections, the spread of drug-resistant pathogens due to water scarcity, and the release of resistance genes with wastewater; (ii) pesticide and metal pollution act as co-selectors of antibiotic resistance mechanisms; (iii) microplastics create conditions promoting and spreading antibiotic resistance and resistant bacteria; (iv) changes in land use, deforestation, and environmental pollution reduce microbial diversity, a natural barrier to antibiotic resistance spread. We argue that management of antibiotic resistance must integrate environmental goals, including mitigation of further increases in the Earth's surface temperature, better qualitative and quantitative protection of water resources, strengthening of sewage infrastructure and improving wastewater treatment, counteracting the microbial diversity loss, reduction of pesticide and metal emissions, and plastic use, and improving waste recycling. These actions should be accompanied by restricting antibiotic use only to clinically justified situations, developing novel treatments, and promoting prophylaxis. It is pivotal for health authorities and the medical community to adopt the protection of environmental quality as a part of public health measures, also in the context of antibiotic resistance management.
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Affiliation(s)
- Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznań, Poland.
| | - Willis Gwenzi
- Biosystems and Environmental Engineering Research Group, 380 New Adylin, Marlborough, Harare, Zimbabwe; Alexander von Humboldt Fellow and Guest Professor, Grassland Science and Renewable Plant Resources, Faculty of Organic Agricultural Sciences, Universität Kassel, Witzenhausen, Germany; Alexander von Humboldt Fellow and Guest Professor, Leibniz Institute for Agricultural Engineering and Bioeconomy, Potsdam, Germany
| | - Barbara Poniedziałek
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Serghei Mangul
- Titus Family Department of Clinical Pharmacy, USC Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA
| | - Andrzej Fal
- Department of Allergy, Lung Diseases and Internal Medicine Central Clinical Hospital, Ministry of Interior, Warsaw, Poland; Collegium Medicum, Warsaw Faculty of Medicine, Cardinal Stefan Wyszyński University, Warsaw, Poland
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Hojat LS, Wilson BM, Satlin MJ, Perez F, Mojica MF, Singer ME, Bonomo RA, Epstein LH. 14-Year Epidemiologic study of Pseudomonas aeruginosa bloodstream infection incidence and resistance in the Veterans Health Administration system, 2009-2022. JAC Antimicrob Resist 2024; 6:dlae031. [PMID: 38449517 PMCID: PMC10914452 DOI: 10.1093/jacamr/dlae031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/12/2024] [Indexed: 03/08/2024] Open
Abstract
Background Multidrug resistant Pseudomonas aeruginosa (PA) represents a serious threat to hospitalized patients. Characterizing the incidence of PA infection and degree of resistance can inform empiric treatment and preventative measures. Objectives We sought to describe trends in incidence and resistance characteristics of PA bloodstream infections (BSI) observed within the Veterans Health Administration (VHA) system and identify factors contributing to higher observed mortality within this population. Methods We characterized demographic and clinical features of unique patients among the VHA population presenting with their first episode of PA-BSI between 2009 and 2022 and summarized trends related to mortality and resistance phenotype based on year and geographical location. We additionally used logistic regression analysis to identify predictors of 30-day mortality among this cohort. Results We identified 8039 PA-BSIs during the study period, 32.7% of which were hospital onset. Annual PA-BSI cases decreased by 35.8%, and resistance among all antimicrobial classes decreased during the study period, while the proportion of patients receiving early active treatment based on susceptibility testing results increased. Average 30-day mortality rate was 23.3%. Higher Charlson Comorbidity Index, higher mAPACHE score, VHA facility complexity 1b and hospital-onset cases were associated with higher mortality, and early active treatment was associated with lower mortality. Conclusions PA-BSI resistance decreased across the VHA system during the study period. Further investigation of antimicrobial stewardship measures possibly contributing to the observed decreased resistance in this cohort and identification of measures to improve on the high mortality associated with PA-BSI in the VHA population is warranted.
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Affiliation(s)
- Leila S Hojat
- Division of Infectious Diseases & HIV Medicine, Department of Medicine, Case Western Reserve University, 11100 Euclid Avenue, 44106, Cleveland, OH, USA
- Division of Infectious Diseases & HIV Medicine, Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Brigid M Wilson
- Division of Infectious Diseases & HIV Medicine, Department of Medicine, Case Western Reserve University, 11100 Euclid Avenue, 44106, Cleveland, OH, USA
- Geriatric Research Education and Clinical Center (GRECC), The VA Northeast Ohio Healthcare System, Cleveland, OH, USA
| | - Michael J Satlin
- Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Federico Perez
- Division of Infectious Diseases & HIV Medicine, Department of Medicine, Case Western Reserve University, 11100 Euclid Avenue, 44106, Cleveland, OH, USA
- Geriatric Research Education and Clinical Center (GRECC), The VA Northeast Ohio Healthcare System, Cleveland, OH, USA
- Cleveland VAMC Center for Antimicrobial Resistance and Epidemiology (Case VA CARES), Case Western Reserve University, Cleveland, OH, USA
| | - Maria F Mojica
- Research Service, VA Northeast Ohio Healthcare System, Cleveland, OH, USA
- Grupo de Resistencia Antimicrobiana y Epidemiología Hospitalaria, Universidad El Bosque, Bogotá, Colombia
| | - Mendel E Singer
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Robert A Bonomo
- Division of Infectious Diseases & HIV Medicine, Department of Medicine, Case Western Reserve University, 11100 Euclid Avenue, 44106, Cleveland, OH, USA
- Geriatric Research Education and Clinical Center (GRECC), The VA Northeast Ohio Healthcare System, Cleveland, OH, USA
- Cleveland VAMC Center for Antimicrobial Resistance and Epidemiology (Case VA CARES), Case Western Reserve University, Cleveland, OH, USA
- Research Service, VA Northeast Ohio Healthcare System, Cleveland, OH, USA
| | - Lauren H Epstein
- US Department of Veterans Affairs Medical Center, Emory University, Atlanta, Georgia, USA
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Zhao YC, Sun ZH, Xiao MX, Li JK, Liu HY, Cai HL, Cao W, Feng Y, Zhang BK, Yan M. Analyzing the correlation between quinolone-resistant Escherichia coli resistance rates and climate factors: A comprehensive analysis across 31 Chinese provinces. ENVIRONMENTAL RESEARCH 2024; 245:117995. [PMID: 38145731 DOI: 10.1016/j.envres.2023.117995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/27/2023] [Accepted: 12/18/2023] [Indexed: 12/27/2023]
Abstract
BACKGROUND The increasing problem of bacterial resistance, particularly with quinolone-resistant Escherichia coli (QnR eco) poses a serious global health issue. METHODS We collected data on QnR eco resistance rates and detection frequencies from 2014 to 2021 via the China Antimicrobial Resistance Surveillance System, complemented by meteorological and socioeconomic data from the China Statistical Yearbook and the China Meteorological Data Service Centre (CMDC). Comprehensive nonparametric testing and multivariate regression models were used in the analysis. RESULT Our analysis revealed significant regional differences in QnR eco resistance and detection rates across China. Along the Hu Huanyong Line, resistance rates varied markedly: 49.35 in the northwest, 54.40 on the line, and 52.30 in the southeast (P = 0.001). Detection rates also showed significant geographical variation, with notable differences between regions (P < 0.001). Climate types influenced these rates, with significant variability observed across different climates (P < 0.001). Our predictive model for resistance rates, integrating climate and healthcare factors, explained 64.1% of the variance (adjusted R-squared = 0.641). For detection rates, the model accounted for 19.2% of the variance, highlighting the impact of environmental and healthcare influences. CONCLUSION The study found higher resistance rates in warmer, monsoon climates and areas with more public health facilities, but lower rates in cooler, mountainous, or continental climates with more rainfall. This highlights the strong impact of climate on antibiotic resistance. Meanwhile, the predictive model effectively forecasts these resistance rates using China's diverse climate data. This is crucial for public health strategies and helps policymakers and healthcare practitioners tailor their approaches to antibiotic resistance based on local environmental conditions. These insights emphasize the importance of considering regional climates in managing antibiotic resistance.
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Affiliation(s)
- Yi-Chang Zhao
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Zhi-Hua Sun
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Ming-Xuan Xiao
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Jia-Kai Li
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Huai-Yuan Liu
- International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China; China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Hua-Lin Cai
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China
| | - Wei Cao
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Medical Laboratory, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China
| | - Yu Feng
- China Pharmaceutical University, Nanjing, Jiangsu, 210009, PR China
| | - Bi-Kui Zhang
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China.
| | - Miao Yan
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, PR China; International Research Center for Precision Medicine, Transformative Technology and Software Services, Hunan, PR China.
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8
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Lusiastuti AM, Suhermanto A, Hastilestari BR, Suryanto S, Mawardi M, Sugiani D, Syahidah D, Sudaryatma PE, Caruso D. Impact of temperature on the virulence of Streptococcus agalactiae in Indonesian aquaculture: A better vaccine design is required. Vet World 2024; 17:682-689. [PMID: 38680157 PMCID: PMC11045521 DOI: 10.14202/vetworld.2024.682-689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/28/2024] [Indexed: 05/01/2024] Open
Abstract
Due to their poikilothermic nature, fish are very sensitive to changes in temperature. Due to climate change, the average global temperature has increased by 1.5°C in the last century, which may have caused an increase in farmed fish mortality recently. Predictions using the model estimate that a 1°C increase in temperature could cause 3%-4% and 4%-6% mortality due to infectious diseases in organisms living in warm and temperate waters, respectively. There is a need to determine whether there is a relationship between increasing environmental temperature and disease virulence. This review examines the influence and impact of increasing temperatures due to climate change on the physiology and pathogenicity of Streptococcus agalactiae, which causes streptococcosis in tilapia and causes significant economic losses. Changes in the pathogenicity of S. agalactiae, especially its virulence properties due to increasing temperature, require changes in the composition design of the fish vaccine formula to provide better protection through the production of protective antibodies.
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Affiliation(s)
- Angela Mariana Lusiastuti
- Research Center for Veterinary Sciences, National Research and Innovation Agency, KST BRIN Soekarno Cibinong Bogor, 16911, Jawa Barat, Indonesia
| | - Achmad Suhermanto
- The Marine and Fisheries Polytechnic Karawang, The Ministry of Marine Affairs and Fisheries Indonesia
| | | | - Suryanto Suryanto
- Research Center for Fisheries, National Research and Innovation Agency, Indonesia
| | - Mira Mawardi
- Main Center for Freshwater Aquaculture – The Ministry of Marine Affairs and Fisheries, Jl. Selabintana No. 37, Selabatu, Kec. Cikole, Kota Sukabumi, Jawa Barat 43114, Indonesia
| | - Desy Sugiani
- Research Center for Veterinary Sciences, National Research and Innovation Agency, KST BRIN Soekarno Cibinong Bogor, 16911, Jawa Barat, Indonesia
| | - Dewi Syahidah
- Research Center for Veterinary Sciences, National Research and Innovation Agency, KST BRIN Soekarno Cibinong Bogor, 16911, Jawa Barat, Indonesia
| | | | - Domenico Caruso
- ISEM, Univ. Montpellier, CNRS, EPHE, IRD, Montpellier, France
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Bullivant A, Lozano-Huntelman N, Tabibian K, Leung V, Armstrong D, Dudley H, Savage VM, Rodríguez-Verdugo A, Yeh PJ. Evolution Under Thermal Stress Affects Escherichia coli's Resistance to Antibiotics. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.27.582334. [PMID: 38464198 PMCID: PMC10925296 DOI: 10.1101/2024.02.27.582334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Exposure to both antibiotics and temperature changes can induce similar physiological responses in bacteria. Thus, changes in growth temperature may affect antibiotic resistance. Previous studies have found that evolution under antibiotic stress causes shifts in the optimal growth temperature of bacteria. However, little is known about how evolution under thermal stress affects antibiotic resistance. We examined 100+ heat-evolved strains of Escherichia coli that evolved under thermal stress. We asked whether evolution under thermal stress affects optimal growth temperature, if there are any correlations between evolving in high temperatures and antibiotic resistance, and if these strains' antibiotic efficacy changes depending on the local environment's temperature. We found that: (1) surprisingly, most of the heat-evolved strains displayed a decrease in optimal growth temperature and overall growth relative to the ancestor strain, (2) there were complex patterns of changes in antibiotic resistance when comparing the heat-evolved strains to the ancestor strain, and (3) there were few significant correlations among changes in antibiotic resistance, optimal growth temperature, and overall growth.
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Affiliation(s)
- Austin Bullivant
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
| | | | - Kevin Tabibian
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
| | - Vivien Leung
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
| | - Dylan Armstrong
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
| | - Henry Dudley
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
| | - Van M. Savage
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
- Computational Medicine, David Geffen School of Medicine, University of California, Los Angeles, USA
- Santa Fe Institute, Santa Fe, New Mexico, USA
| | | | - Pamela J Yeh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, USA
- Santa Fe Institute, Santa Fe, New Mexico, USA
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10
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Bagra K, Kneis D, Padfield D, Szekeres E, Teban-Man A, Coman C, Singh G, Berendonk TU, Klümper U. Contrary effects of increasing temperatures on the spread of antimicrobial resistance in river biofilms. mSphere 2024; 9:e0057323. [PMID: 38323843 PMCID: PMC10900892 DOI: 10.1128/msphere.00573-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/10/2024] [Indexed: 02/08/2024] Open
Abstract
River microbial communities regularly act as the first barrier of defense against the spread of antimicrobial resistance genes (ARGs) that enter environmental microbiomes through wastewater. However, how the invasion dynamics of wastewater-borne ARGs into river biofilm communities will shift due to climate change with increasing average and peak temperatures remains unknown. Here, we aimed to elucidate the effects of increasing temperatures on the naturally occurring river biofilm resistome, as well as the invasion success of foreign ARGs entering through wastewater. Natural biofilms were grown in a low-anthropogenic impact river and transferred to artificial laboratory recirculation flume systems operated at three different temperatures (20°C, 25°C, and 30°C). After 1 week of temperature acclimatization, significant increases in the abundance of the naturally occurring ARGs in biofilms were detected at higher temperatures. After this acclimatization period, biofilms were exposed to a single pulse of wastewater, and the invasion dynamics of wastewater-borne ARGs were analyzed over 2 weeks. After 1 day, wastewater-borne ARGs were able to invade the biofilms successfully with no observable effect of temperature on their relative abundance. However, thereafter, ARGs were lost at a far increased rate at 30°C, with ARG levels dropping to the initial natural levels after 14 days. Contrary to the lower temperatures, ARGs were either lost at slower rates or even able to establish themselves in biofilms with stable relative abundances above natural levels. Hence, higher temperatures come with contrary effects on river biofilm resistomes: naturally occurring ARGs increase in abundance, while foreign, invading ARGs are lost at elevated speeds.IMPORTANCEInfections with bacteria that gained resistance to antibiotics are taking millions of lives annually, with the death toll predicted to increase. River microbial communities act as a first defense barrier against the spread of antimicrobial resistance genes (ARGs) that enter the environment through wastewater after enrichment in human and animal microbiomes. The global increase in temperature due to climate change might disrupt this barrier effect by altering microbial community structure and functions. We consequently explored how increasing temperatures alter ARG spread in river microbial communities. At higher temperatures, naturally occurring ARGs increased in relative abundance. However, this coincided with a decreased success rate of invading foreign ARGs from wastewater to establish themselves in the communities. Therefore, to predict the effects of climate change on ARG spread in river microbiomes, it is imperative to consider if the river ecosystem and its resistome are dominated by naturally occurring or invading foreign ARGs.
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Affiliation(s)
- Kenyum Bagra
- Institute for Hydrobiology, Technische Universität Dresden, Dresden, Germany
- Indian Institute of Technology, Roorkee, Uttarakhand, India
| | - David Kneis
- Institute for Hydrobiology, Technische Universität Dresden, Dresden, Germany
| | - Daniel Padfield
- Environment and Sustainability Institute, University of Exeter, Exeter, United Kingdom
| | - Edina Szekeres
- Institute of Biological Research Cluj, NIRDBS, Cluj-Napoca, Romania
| | - Adela Teban-Man
- Institute of Biological Research Cluj, NIRDBS, Cluj-Napoca, Romania
| | - Cristian Coman
- Institute of Biological Research Cluj, NIRDBS, Cluj-Napoca, Romania
| | - Gargi Singh
- Indian Institute of Technology, Roorkee, Uttarakhand, India
| | - Thomas U. Berendonk
- Institute for Hydrobiology, Technische Universität Dresden, Dresden, Germany
| | - Uli Klümper
- Institute for Hydrobiology, Technische Universität Dresden, Dresden, Germany
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11
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Jampani M, Mateo-Sagasta J, Chandrasekar A, Fatta-Kassinos D, Graham DW, Gothwal R, Moodley A, Chadag VM, Wiberg D, Langan S. Fate and transport modelling for evaluating antibiotic resistance in aquatic environments: Current knowledge and research priorities. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132527. [PMID: 37788551 DOI: 10.1016/j.jhazmat.2023.132527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 08/03/2023] [Accepted: 09/09/2023] [Indexed: 10/05/2023]
Abstract
Antibiotics have revolutionised medicine in the last century and enabled the prevention of bacterial infections that were previously deemed untreatable. However, in parallel, bacteria have increasingly developed resistance to antibiotics through various mechanisms. When resistant bacteria find their way into terrestrial and aquatic environments, animal and human exposures increase, e.g., via polluted soil, food, and water, and health risks multiply. Understanding the fate and transport of antibiotic resistant bacteria (ARB) and the transfer mechanisms of antibiotic resistance genes (ARGs) in aquatic environments is critical for evaluating and mitigating the risks of resistant-induced infections. The conceptual understanding of sources and pathways of antibiotics, ARB, and ARGs from society to the water environments is essential for setting the scene and developing an appropriate framework for modelling. Various factors and processes associated with hydrology, ecology, and climate change can significantly affect the fate and transport of ARB and ARGs in natural environments. This article reviews current knowledge, research gaps, and priorities for developing water quality models to assess the fate and transport of ARB and ARGs. The paper also provides inputs on future research needs, especially the need for new predictive models to guide risk assessment on AR transmission and spread in aquatic environments.
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Affiliation(s)
- Mahesh Jampani
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka.
| | - Javier Mateo-Sagasta
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Aparna Chandrasekar
- UFZ - Helmholtz Centre for Environmental Research, Department Computational Hydrosystems, Leipzig, Germany; Institute of Hydrobiology, Technische Universität Dresden, Dresden, Germany
| | - Despo Fatta-Kassinos
- Civil and Environmental Engineering Department and Nireas International Water Research Center, University of Cyprus, Nicosia, Cyprus
| | - David W Graham
- School of Engineering, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Ritu Gothwal
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Arshnee Moodley
- International Livestock Research Institute (ILRI), Nairobi, Kenya; Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg C, Denmark
| | | | - David Wiberg
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
| | - Simon Langan
- International Water Management Institute (IWMI), Battaramulla, Colombo, Sri Lanka
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12
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Kamanmalek S, Rice-Boayue J. Development of a national antibiotic multimetric index for identifying watersheds vulnerable to antibiotic pollution. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 339:122670. [PMID: 37813143 DOI: 10.1016/j.envpol.2023.122670] [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: 04/14/2023] [Revised: 09/25/2023] [Accepted: 09/30/2023] [Indexed: 10/11/2023]
Abstract
Improved surveillance of antibiotics and antibiotic resistance (AR) throughout the environment is an important aspect of the prevention and control of threats posed to human and ecological health. In response to field investigations often limited by resources and time, this study aims to develop a systematic approach to assess watershed vulnerability to antibiotic pollution and AR by integrating modeling and field studies. The national antibiotic pollution vulnerability index was developed to identify watersheds most impacted by antibiotic sources. The index incorporates multiple metrics representing antibiotic pollution driven by both agricultural activities and municipal wastewater (i.e. outpatient antibiotic prescriptions, wastewater treatment plant effluent flow, stream order and dilution factor of effluent-receiving streams, manure application, and animal facilities), alongside climate change indicators (i.e., temperature, precipitation, and runoff). The pollution index was applied at a state level in North Carolina to identify the most-impacted watersheds and inform site selection for targeted field study quantifying azithromycin, ciprofloxacin, sulfamethoxazole, and trimethoprim concentrations. Modeled-informed sites in NC demonstrated the highest reported concentrations of azithromycin, trimethoprim, and sulfamethoxazole compared to previous NC studies, confirming the index effectiveness in identifying watersheds with higher antibiotic concentrations. At the national scale, watersheds relatively more vulnerable to antibiotic pollution are predominantly located in the Midwest, South, and Northeast regions of the U.S., with Iowa and Indiana being the most impacted states. Climate change is expected to exacerbate watershed vulnerability to agriculture-driven AR in the Midwest and Northeast due to an increase in precipitation and mean temperature coupled with intense agricultural activities. In addition, due to climate change-induced reductions in precipitation and runoff, watersheds in the Midwest, Mid-Atlantic, and South Central are dominantly at higher risk of effluent-driven AR occurrences. We have disseminated the developed indices as open-source online tools to aid in prioritizing strategies to mitigate AR occurrence across the U.S.
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Affiliation(s)
- Sara Kamanmalek
- Department of Civil and Environmental Engineering, Florida State University, Tallahassee, FL, 32306, USA
| | - Jacelyn Rice-Boayue
- Department of Civil, Construction, And Environmental Engineering, North Carolina State University, Raleigh, NC, 27606, USA.
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13
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Padayao MHR, Padayao FRP, Patalinghug JM, Raña GS, Yee J, Geraldino PJ, Quilantang N. Antimicrobial and quorum sensing inhibitory activity of epiphytic bacteria isolated from the red alga Halymenia durvillei. Access Microbiol 2023; 5:000563.v4. [PMID: 38188234 PMCID: PMC10765052 DOI: 10.1099/acmi.0.000563.v4] [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: 01/12/2023] [Accepted: 11/10/2023] [Indexed: 01/09/2024] Open
Abstract
Halymenia durvillei is a red alga that is commonly utilized in the Philippines as food and as a source of high-value natural products for industrial applications. However, there are no studies regarding the microbial community associated with H. durvillei and its potential applications. This study aimed to isolate and identify the epiphytic bacteria of H. durvillei and determine their antimicrobial and quorum sensing inhibitory (QSI) effects. The thalli of H. durvillei were collected at the shores of Santa Fe, Bantayan, Cebu, Philippines. Bacterial isolates were identified using 16S rRNA, and their ethyl acetate (EtOAc) extracts were subjected to antimicrobial susceptibility tests against representative species of yeast and Gram-negative and Gram-positive bacteria. Their QSI activity against Chromobacterium violaceum was also determined. Fourteen distinct bacterial colonies belonging to four genera, namely Alteromonas (3), Bacillus (5), Oceanobacillus (1) and Vibrio (5), were successfully isolated and identified. All 14 bacterial isolates exhibited antibacterial effects. EPB9, identified as Bacillus safensis , consistently showed the strongest inhibition against Escherichia coli , Staphylococcus aureus and Staphylococcus epidermidis , with minimum inhibitory concentrations (MICs) ranging from 0.0625 to 1.0 mg ml-1. In contrast, all 14 isolates showed weak antifungal effects. Both B. safensis (EPB9) and Bacillus australimaris (EPB15) exhibited QSI effects at 100 mg ml-1, showing opaque zones of 3.1±0.9 and 3.8±0.4 mm, respectively. This study is the first to isolate and identify the distinct microbial epiphytic bacterial community of H. durvillei and its potential as an abundant resource for new antibacterial and QSI bioactives.
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Affiliation(s)
- Mary Hannah Rose Padayao
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
- Tuklas Lunas Development Center, University of San Carlos, Cebu City 6000, Philippines
| | - Francis Reuben Paul Padayao
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
| | - Jenny Marie Patalinghug
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
| | - Gem Stephen Raña
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
| | - Jonie Yee
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
- Tuklas Lunas Development Center, University of San Carlos, Cebu City 6000, Philippines
| | - Paul John Geraldino
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
- Tuklas Lunas Development Center, University of San Carlos, Cebu City 6000, Philippines
| | - Norman Quilantang
- Applied Microbiology and Molecular Biology Laboratory, Department of Biology, University of San Carlos, Cebu City 6000, Philippines
- Tuklas Lunas Development Center, University of San Carlos, Cebu City 6000, Philippines
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14
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Abstract
Antibiotic resistance genes predate the therapeutic uses of antibiotics. However, the current antimicrobial resistance crisis stems from our extensive use of antibiotics and the generation of environmental stressors that impose new selective pressure on microbes and drive the evolution of resistant pathogens that now threaten human health. Similar to climate change, this global threat results from human activities that change habitats and natural microbiomes, which in turn interact with human-associated ecosystems and lead to adverse impacts on human health. Human activities that alter our planet at global scales exacerbate the current resistance crisis and exemplify our central role in large-scale changes in which we are both protagonists and architects of our success but also casualties of unanticipated collateral outcomes. As cognizant participants in this ongoing planetary experiment, we are driven to understand and find strategies to curb the ongoing crises of resistance and climate change.
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Affiliation(s)
- María Mercedes Zambrano
- Corpogen Research Center, Bogotá, Colombia;
- Dirección de Investigaciones y Transferencia de Conocimiento, Universidad Central, Bogotá, Colombia
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15
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Zhou SYD, Huang FY, Su W, Lie Z, Liu Y, Lin C, Yang K, Meng Z, Liu Z, Neilson R, Su JQ, Liu J. Distinct patterns of the soil and phyllosphere antibiotic resistome in natural forest ecosystems under an altitudinal gradient. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 897:165346. [PMID: 37419346 DOI: 10.1016/j.scitotenv.2023.165346] [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: 05/04/2023] [Revised: 06/25/2023] [Accepted: 07/04/2023] [Indexed: 07/09/2023]
Abstract
Warming affects microbial functioning of soil and the phyllosphere across global ecosystems. However, little is known about the impact of increasing temperature on antibiotic resistome profiles in natural forests. To address this issue, we investigated antibiotic resistance genes (ARGs) in both soil and the plant phyllosphere using an experimental platform established in a forest ecosystem that delivers a temperature difference of 2.1 °C along an altitudinal gradient. Principal Coordinate Analysis (PCoA) showed that there were significant differences in the composition of soil and plant phyllosphere ARGs at different altitudes (P = 0.001). The relative abundance of phyllosphere ARGs and mobile genetic elements (MGEs) and soil MGEs increased with temperature. More resistance gene classes increased in abundance in the phyllosphere (10 classes) than soil (2 classes), and a Random Forest model analysis suggested that phyllosphere ARGs were more sensitive to temperature change than soil. Increasing temperature as a direct consequence of an altitudinal gradient, and the relative abundance of MGEs were the main drivers that shaped the profiles of ARGs in the phyllosphere and soil. Biotic and abiotic factors affected phyllosphere ARGs indirectly via MGEs. This study enhances our understanding of the influence of altitude gradients on resistance genes in natural environments.
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Affiliation(s)
- Shu-Yi-Dan Zhou
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Fu-Yi Huang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Wei Su
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Zhongkai University of Agriculture and Engineering, 24 Dongsha Street, Haizhu District, Guangzhou 510225, China
| | - Zhiyang Lie
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
| | - Yue Liu
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
| | - Chenshuo Lin
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Kai Yang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Ze Meng
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
| | - Zhanfeng Liu
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
| | - Roy Neilson
- Ecological Sciences, The James Hutton Institute, Dundee DD2 5DA, Scotland, UK
| | - Jian-Qiang Su
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Juxiu Liu
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China.
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16
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Kelbrick M, Hesse E, O' Brien S. Cultivating antimicrobial resistance: how intensive agriculture ploughs the way for antibiotic resistance. MICROBIOLOGY (READING, ENGLAND) 2023; 169:001384. [PMID: 37606636 PMCID: PMC10482381 DOI: 10.1099/mic.0.001384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/10/2023] [Indexed: 08/23/2023]
Abstract
Antimicrobial resistance (AMR) is a growing threat to public health, global food security and animal welfare. Despite efforts in antibiotic stewardship, AMR continues to rise worldwide. Anthropogenic activities, particularly intensive agriculture, play an integral role in the dissemination of AMR genes within natural microbial communities - which current antibiotic stewardship typically overlooks. In this review, we examine the impact of anthropogenically induced temperature fluctuations, increased soil salinity, soil fertility loss, and contaminants such as metals and pesticides on the de novo evolution and dissemination of AMR in the environment. These stressors can select for AMR - even in the absence of antibiotics - via mechanisms such as cross-resistance, co-resistance and co-regulation. Moreover, anthropogenic stressors can prime bacterial physiology against stress, potentially widening the window of opportunity for the de novo evolution of AMR. However, research to date is typically limited to the study of single isolated bacterial species - we lack data on how intensive agricultural practices drive AMR over evolutionary timescales in more complex microbial communities. Furthermore, a multidisciplinary approach to fighting AMR is urgently needed, as it is clear that the drivers of AMR extend far beyond the clinical environment.
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Affiliation(s)
- Matthew Kelbrick
- Department of Evolution, Ecology and Behaviour, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Crown Street, Liverpool, L69 7ZB, UK
| | - Elze Hesse
- College of Life and Environmental Science, University of Exeter, Penryn, Cornwall, TR10 9FE, UK
| | - Siobhán O' Brien
- Department of Microbiology, Moyne Institute for Preventive Medicine, School of Genetics and Microbiology, Trinity College Dublin, Dublin 2, Republic of Ireland
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17
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Ndlovu T, Kgosietsile L, Motshwarakgole P, Ndlovu SI. Evaluation of Potential Factors Influencing the Dissemination of Multidrug-Resistant Klebsiella pneumoniae and Alternative Treatment Strategies. Trop Med Infect Dis 2023; 8:381. [PMID: 37624319 PMCID: PMC10459473 DOI: 10.3390/tropicalmed8080381] [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: 06/08/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 08/26/2023] Open
Abstract
The increasing reports of multidrug-resistant Klebsiella pneumoniae have emerged as a public health concern, raising questions about the potential routes for the evolution and dissemination of the pathogenic K. pneumoniae into environmental reservoirs. Potential drivers of the increased incidence of antimicrobial-resistant environmental K. pneumoniae include the eminent global climatic variations as a direct or indirect effect of human activities. The ability of microorganisms to adapt and grow at an exponential rate facilitates the distribution of environmental strains with acquired resistant mutations into water systems, vegetation, and soil which are major intersection points with animals and humans. The bacterial pathogen, K. pneumoniae, is one of the critical-priority pathogens listed by the World Health Organization, mostly associated with hospital-acquired infections. However, the increasing prevalence of pathogenic environmental strains with similar characteristics to clinical-antibiotic-resistant K. pneumoniae isolates is concerning. Considering the eminent impact of global climatic variations in the spread and dissemination of multidrug-resistant bacteria, in this review, we closely assess factors influencing the dissemination of this pathogen resulting in increased interaction with the environment, human beings, and animals. We also look at the recent developments in rapid detection techniques as part of the response measures to improve surveillance and preparedness for potential outbreaks. Furthermore, we discuss alternative treatment strategies that include secondary metabolites such as biosurfactants and plant extracts with high antimicrobial properties.
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Affiliation(s)
- Thando Ndlovu
- Department of Biological Sciences, Faculty of Science, University of Botswana, Private Bag UB, Gaborone 0022, Botswana; (L.K.); (P.M.)
| | - Lebang Kgosietsile
- Department of Biological Sciences, Faculty of Science, University of Botswana, Private Bag UB, Gaborone 0022, Botswana; (L.K.); (P.M.)
| | - Pako Motshwarakgole
- Department of Biological Sciences, Faculty of Science, University of Botswana, Private Bag UB, Gaborone 0022, Botswana; (L.K.); (P.M.)
| | - Sizwe I. Ndlovu
- Department of Biotechnology and Food Technology, Doornfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa;
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18
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Kiss A, Hariri Akbari F, Marchev A, Papp V, Mirmazloum I. The Cytotoxic Properties of Extreme Fungi's Bioactive Components-An Updated Metabolic and Omics Overview. Life (Basel) 2023; 13:1623. [PMID: 37629481 PMCID: PMC10455657 DOI: 10.3390/life13081623] [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: 06/05/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 08/27/2023] Open
Abstract
Fungi are the most diverse living organisms on planet Earth, where their ubiquitous presence in various ecosystems offers vast potential for the research and discovery of new, naturally occurring medicinal products. Concerning human health, cancer remains one of the leading causes of mortality. While extensive research is being conducted on treatments and their efficacy in various stages of cancer, finding cytotoxic drugs that target tumor cells with no/less toxicity toward normal tissue is a significant challenge. In addition, traditional cancer treatments continue to suffer from chemical resistance. Fortunately, the cytotoxic properties of several natural products derived from various microorganisms, including fungi, are now well-established. The current review aims to extract and consolidate the findings of various scientific studies that identified fungi-derived bioactive metabolites with antitumor (anticancer) properties. The antitumor secondary metabolites identified from extremophilic and extremotolerant fungi are grouped according to their biological activity and type. It became evident that the significance of these compounds, with their medicinal properties and their potential application in cancer treatment, is tremendous. Furthermore, the utilization of omics tools, analysis, and genome mining technology to identify the novel metabolites for targeted treatments is discussed. Through this review, we tried to accentuate the invaluable importance of fungi grown in extreme environments and the necessity of innovative research in discovering naturally occurring bioactive compounds for the development of novel cancer treatments.
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Affiliation(s)
- Attila Kiss
- Agro-Food Science Techtransfer and Innovation Centre, Faculty for Agro, Food and Environmental Science, Debrecen University, 4032 Debrecen, Hungary;
| | - Farhad Hariri Akbari
- Department of Biology, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia;
| | - Andrey Marchev
- Laboratory of Metabolomics, Department of Biotechnology, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 4000 Plovdiv, Bulgaria
| | - Viktor Papp
- Department of Botany, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary;
| | - Iman Mirmazloum
- Department of Plant Physiology and Plant Ecology, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary
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19
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Yang LN, Ren M, Zhan J. Modeling plant diseases under climate change: evolutionary perspectives. TRENDS IN PLANT SCIENCE 2023; 28:519-526. [PMID: 36593138 DOI: 10.1016/j.tplants.2022.12.011] [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: 07/29/2022] [Revised: 12/07/2022] [Accepted: 12/15/2022] [Indexed: 05/22/2023]
Abstract
Infectious plant diseases are a major threat to global agricultural productivity, economic development, and ecological integrity. There is widespread concern that these social and natural disasters caused by infectious plant diseases may escalate with climate change and computer modeling offers a unique opportunity to address this concern. Here, we analyze the intrinsic problems associated with current modeling strategies and highlight the need to integrate evolutionary principles into polytrophic, eco-evolutionary frameworks to improve predictions. We particularly discuss how evolutionary shifts in functional trade-offs, relative adaptability between plants and pathogens, ecosystems, and climate preferences induced by climate change may feedback to future plant disease epidemics and how technological advances can facilitate the generation and integration of this relevant knowledge for better modeling predictions.
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Affiliation(s)
- Li-Na Yang
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
| | - Maozhi Ren
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China.
| | - Jiasui Zhan
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden.
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20
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Maugeri A, Barchitta M, Magnano San Lio R, Agodi A. Socioeconomic and Governance Factors Disentangle the Relationship between Temperature and Antimicrobial Resistance: A 10-Year Ecological Analysis of European Countries. Antibiotics (Basel) 2023; 12:antibiotics12040777. [PMID: 37107139 PMCID: PMC10135271 DOI: 10.3390/antibiotics12040777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Although previous studies showed that warmer temperatures may be associated with increased antimicrobial resistance (AMR) rates, unmeasured factors may explain the observed relationship. We conducted a ten-year ecological analysis to evaluate whether temperature change was associated with AMR across 30 European countries, considering predictors that can determine a geographical gradient. Using four data sources, we created a dataset of: annual temperature change (FAOSTAT database); AMR proportions for ten pathogen-antibiotic combinations (ECDC atlas); consumption of antibiotics for systemic use in the community (ESAC-Net database); population density, gross domestic product (GDP) per capita, and governance indicators (World Bank DataBank). Data were obtained for each country and year (2010-2019) and analyzed through multivariable models. We found evidence of a positive linear association between temperature change and AMR proportion across all countries, years, pathogens, and antibiotics (β = 0.140; 95%CI = 0.039; 0.241; p = 0.007), adjusting for the effect of covariates. However, when GDP per capita and the governance index were included in the multivariable model, temperature change was no longer associated with AMR. Instead, the main predictors were antibiotic consumption (β = 0.506; 95%CI = 0.366; 0.646; p < 0.001), population density (β = 0.143; 95%CI = 0.116; 0.170; p < 0.001), and the governance index (β = -1.043; 95%CI = -1.207; -0.879; p < 0.001). Ensuring the appropriate use of antibiotics and improving governance efficiency are the most effective ways of counteracting AMR. It is necessary to conduct further experimental studies and obtain more detailed data to investigate whether climate change affects AMR.
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Affiliation(s)
- Andrea Maugeri
- Department of Medical and Surgical Sciences and Advanced Technologies "GF Ingrassia", University of Catania, Via S. Sofia 87, 95123 Catania, Italy
| | - Martina Barchitta
- Department of Medical and Surgical Sciences and Advanced Technologies "GF Ingrassia", University of Catania, Via S. Sofia 87, 95123 Catania, Italy
| | - Roberta Magnano San Lio
- Department of Medical and Surgical Sciences and Advanced Technologies "GF Ingrassia", University of Catania, Via S. Sofia 87, 95123 Catania, Italy
| | - Antonella Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies "GF Ingrassia", University of Catania, Via S. Sofia 87, 95123 Catania, Italy
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21
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Li W, Liu C, Ho HC, Shi L, Zeng Y, Yang X, Xia H, Zhang W, Huang C, Yang L. Estimating the effect of increasing ambient temperature on antimicrobial resistance in China: A nationwide ecological study with the difference-in-differences approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163518. [PMID: 37080321 DOI: 10.1016/j.scitotenv.2023.163518] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/31/2023] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
Antimicrobial resistance (AMR) and the possible consequences of rising ambient temperatures brought on by global warming have been extensively discussed. However, the epidemiological evidence on the effects of temperature on AMR is rare and little is known about the role of socioeconomic inequities. This ecological study obtained 31 provinces AMR data of Escherichia Coli (E. coli) from the China Antimicrobial Resistance Surveillance System (CARSS) over the period from 2014 to 2020, which were linked to the meteorological and socioeconomic data published in the China Statistical Yearbook. Modified difference-in-differences (DID) analyses were performed to estimate the effect of ambient temperature on AMR of E. coli to third-generation cephalosporins (ceftriaxone and cefotaxime), carbapenems, and quinolones, adjusting for variations in meteorological and socioeconomic factors. We estimated that every 1 °C increase in average ambient temperature was associated with 2.71 % (95 % confidence interval [CI]: 1.20-4.24), 32.92 % (95 % CI: 15.62-52.81), and 1.81 % (95 % CI: 0.47-3.16) increase in the prevalence of E. coli resistance to third-generation cephalosporins (ceftriaxone and cefotaxime), carbapenems and quinolones, respectively. The link was more profound in the regions with lower temperature and a median level of average humidity, and the regions with lower income, lower expenditure (in economics), lower health resources, and lower hospital admissions. Neither the replacement of the temperature variable nor the alternative approaches for confounding adjustment changed the positive association between ambient temperature and AMR. In general, there exists a positive association between ambient temperature and AMR, although the strength of such an association varies by socioeconomic and health services factors. The association is possibly nonlinear, especially for E. coli resistance to third-generation cephalosporins. The findings suggest that AMR control programs should explicitly incorporate weather patterns to increase their effectiveness.
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Affiliation(s)
- Weibin Li
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Chaojie Liu
- School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Hung Chak Ho
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Lin Shi
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yingchao Zeng
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Xinyi Yang
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Haohai Xia
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Wangjian Zhang
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Cunrui Huang
- Vanke School of Public Health, Tsinghua University, Beijing, China
| | - Lianping Yang
- Department of Health Management, School of Public Health, Sun Yat-sen University, Guangzhou, China.
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22
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Edelson PJ, Harold R, Ackelsberg J, Duchin JS, Lawrence SJ, Manabe YC, Zahn M, LaRocque RC. Climate Change and the Epidemiology of Infectious Diseases in the United States. Clin Infect Dis 2023; 76:950-956. [PMID: 36048507 DOI: 10.1093/cid/ciac697] [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: 05/23/2022] [Revised: 08/08/2022] [Accepted: 08/24/2022] [Indexed: 11/14/2022] Open
Abstract
The earth is rapidly warming, driven by increasing atmospheric carbon dioxide and other gases that result primarily from fossil fuel combustion. In addition to causing arctic ice melting and extreme weather events, climatologic factors are linked strongly to the transmission of many infectious diseases. Changes in the prevalence of infectious diseases not only reflect the impacts of temperature, humidity, and other weather-related phenomena on pathogens, vectors, and animal hosts but are also part of a complex of social and environmental factors that will be affected by climate change, including land use, migration, and vector control. Vector- and waterborne diseases and coccidioidomycosis are all likely to be affected by a warming planet; there is also potential for climate-driven impacts on emerging infectious diseases and antimicrobial resistance. Additional resources for surveillance and public health activities are urgently needed, as well as systematic education of clinicians on the health impacts of climate change.
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Affiliation(s)
- Paul J Edelson
- College of Physicians and Surgeons, Columbia University, New York, New York, USA
| | - Rachel Harold
- Medical Society Consortium on Climate and Health, Center for Climate Change Communication, George Mason University, Fairfax, Virginia, USA
| | - Joel Ackelsberg
- New York City Department of Health and Mental Hygiene, Bureau of Communicable Disease, New York, New York, USA
| | - Jeffrey S Duchin
- Public Health-Seattle and King County, Seattle, Washington, USA.,Division of Infectious Diseases, University of Washington, Seattle, Washington, USA
| | | | - Yukari C Manabe
- Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Matt Zahn
- Orange County Health Care Agency, Santa Ana, California, USA
| | - Regina C LaRocque
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
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23
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Li W, Liu C, Ho HC, Shi L, Zeng Y, Yang X, Huang Q, Pei Y, Huang C, Yang L. Association between antibiotic resistance and increasing ambient temperature in China: An ecological study with nationwide panel data. THE LANCET REGIONAL HEALTH - WESTERN PACIFIC 2023; 30:100628. [PMID: 36406382 PMCID: PMC9672962 DOI: 10.1016/j.lanwpc.2022.100628] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/20/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022]
Abstract
Background Antibiotic resistance leads to longer hospital stays, higher medical costs, and increased mortality. However, research into the relationship between climate change and antibiotic resistance remains inconclusive. This study aims to address the gap in the literature by exploring the association of antibiotic resistance with regional ambient temperature and its changes over time. Methods Data were obtained from the China Antimicrobial Surveillance Network (CHINET), monitoring the prevalence of carbapenem-resistant Acinetobacter baumannii (CRAB), Klebsiella pneumoniae (CRKP) and Pseudomonas aeruginosa (CRPA) in 28 provinces/regions over the period from 2005 to 2019. Log-linear regression models were established to determine the association between ambient temperature and antibiotic resistance after adjustment for variations in socioeconomic, health service, and environmental factors. Findings A 1 °C increase in average ambient temperature was associated with 1.14-fold increase (95%-CI [1.07–1.23]) in CRKP prevalence and 1.06-fold increase (95%-CI [1.03–1.08]) in CRPA prevalence. There was an accumulative effect of year-by-year changes in ambient temperature, with the four-year sum showing the greatest effect on antibiotic resistance. Higher prevalence of antibiotic resistance was also associated with higher antibiotic consumption, lower density of health facilities, higher density of hospital beds and higher level of corruption. Interpretation Higher prevalence of antibiotic resistance is associated with increased regional ambient temperature. The development of antibiotic resistance under rising ambient temperature differs across various strains of bacteria. Funding The 10.13039/501100012166National Key R&D Program of China (grant number: 2018YFA0606200), 10.13039/501100001809National Natural Science Foundation of China (grant number: 72074234), 10.13039/501100012476Fundamental Scientific Research Funds for Central Universities, P.R. China (grant number: 22qntd4201), 10.13039/100001547China Medical Board (grant number: CMB-OC-19-337).
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Affiliation(s)
- Weibin Li
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Chaojie Liu
- School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Hung Chak Ho
- Department of Anaesthesiology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Lin Shi
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yingchao Zeng
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Xinyi Yang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Qixian Huang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yi Pei
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cunrui Huang
- Vanke School of Public Health, Tsinghua University, Beijing, China
| | - Lianping Yang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
- Corresponding author.
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24
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Affiliation(s)
- Philimon N Gona
- Department of Urban Public Health, University of Massachusetts Boston, Boston, MA 02125, USA.
| | - Alexander F More
- Department of Urban Public Health, University of Massachusetts Boston, Boston, MA 02125, USA
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25
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Albini E, Orso M, Cozzolino F, Sacchini L, Leoni F, Magistrali CF. A systematic review and meta-analysis on antimicrobial resistance in marine bivalves. Front Microbiol 2022; 13:1040568. [PMID: 36532500 PMCID: PMC9751792 DOI: 10.3389/fmicb.2022.1040568] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/03/2022] [Indexed: 10/09/2023] Open
Abstract
Bivalves are filter-feeding animals able to accumulate contaminants and microorganisms, either of marine or terrestrial origin. The aim of this study was to describe the prevalence of antimicrobial resistance (AMR) in bacterial isolates from bivalves using a systematic review of the literature. Comprehensive searches of MEDLINE, EMBASE, and Web of Science were carried out, based upon a registered protocol (PROSPERO), and following the preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines. The methodological quality of the included studies was assessed using a modified Hoy checklist. Meta-analyses of prevalence were carried out using random-effects models. In total, 103 articles were selected from 1,280 records and were included in the final analysis. The studies were from Asia (n = 54), Europe (n = 27), South and North America (n = 10 and n = 6, respectively), Africa (n = 2), Oceania (n = 1), and multicentre and intercontinental (n = 3). The meta-analysis of multiple antibiotic resistance (MAR) index revealed Aeromonas spp. as the genus with the highest prevalence of AMR (37%), followed by Vibrio spp. (34%), Salmonella spp. (18%), and Escherichia coli (15%). Resistance to third/fourth/fifth generation cephalosporins and fluoroquinolones, two highest priority, critically important antimicrobials (HPCIA), was recorded in approximately 10% of E. coli isolates. Resistance to carbapenems was very low (<2%) in Salmonella spp. and in E. coli, but was found in 5% of Vibrio spp. and in more than a third of Aeromonas spp. isolates. In aquatic bacteria, resistance to carbapenems was higher in Asian than in European isolates. Our study shows the presence of antibiotic resistant bacteria (ARB), including bacteria resistant to HPCIA, in marine bivalves, posing a risk for consumers.
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Affiliation(s)
- Elisa Albini
- Istituto Zooprofilattico Sperimentale dell’Umbria e Delle Marche ‘Togo Rosati’, Perugia, Italy
| | - Massimiliano Orso
- Istituto Zooprofilattico Sperimentale dell’Umbria e Delle Marche ‘Togo Rosati’, Perugia, Italy
| | - Francesco Cozzolino
- Health Planning Service, Regional Health Authority of Umbria, Perugia, Italy
| | - Luca Sacchini
- Istituto Zooprofilattico Sperimentale dell’Umbria e Delle Marche ‘Togo Rosati’, Perugia, Italy
| | - Francesca Leoni
- Istituto Zooprofilattico Sperimentale dell’Umbria e Delle Marche ‘Togo Rosati’, Perugia, Italy
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26
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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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27
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Mira P, Lozano‐Huntelman N, Johnson A, Savage VM, Yeh P. Evolution of antibiotic resistance impacts optimal temperature and growth rate in
Escherichia coli
and
Staphylococcus epidermidis. J Appl Microbiol 2022; 133:2655-2667. [DOI: 10.1111/jam.15736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Portia Mira
- Department of Ecology and Evolutionary Biology University of California Los Angeles U.S.A
| | | | - Adrienne Johnson
- Department of Ecology and Evolutionary Biology University of California Los Angeles U.S.A
| | - Van M. Savage
- Department of Ecology and Evolutionary Biology University of California Los Angeles U.S.A
- Department of Computational Medicine, David Geffen School of Medicine University of California Los Angeles U.S.A
- Santa Fe Institute Santa Fe New Mexico U.S.A
| | - Pamela Yeh
- Department of Ecology and Evolutionary Biology University of California Los Angeles U.S.A
- Santa Fe Institute Santa Fe New Mexico U.S.A
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28
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Li Z, Sun A, Liu X, Chen QL, Bi L, Ren PX, Shen JP, Jin S, He JZ, Hu HW, Yang Y. Climate warming increases the proportions of specific antibiotic resistance genes in natural soil ecosystems. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128442. [PMID: 35158246 DOI: 10.1016/j.jhazmat.2022.128442] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Understanding the future distribution of antibiotic resistance in natural soil ecosystems is important to forecast their impacts on ecosystem and human health under projected climate change scenarios. Therefore, it is critical and timely to decipher the links between climate warming and antibiotic resistance, two of Earth's most imminent problems. Here, we explored the role of five-year simulated climate warming (+ 4 °C) on the diversity and proportions of soil antibiotic resistance genes (ARGs) across three seasons in both plantation and natural forest ecosystems. We found that the positive effects of warming on the number and proportions of ARGs were dependent on the sampling seasons (summer, autumn and winter), and seasonality was a key factor driving the patterns of ARG compositions in forest soils. Fifteen ARGs, conferring resistance to common antibiotics including aminoglycoside, beta-lactam, macrolide-lincosamide-streptogramin B, multidrug, sulfonamide, and tetracycline, were significantly enriched in the warming treatment. We showed that changes in soil properties and community compositions of bacteria, fungi and protists can explain the changes in soil ARGs under climate warming. Taken together, these findings advance our understanding of environmental ARGs under the context of future climate change and suggest that elevated temperature may promote the abundance of specific soil ARGs, with important implications for ecosystem and human health.
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Affiliation(s)
- Zixin Li
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Anqi Sun
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Xiaofei Liu
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Qing-Lin Chen
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Victoria 3010, Australia
| | - Li Bi
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Victoria 3010, Australia
| | - Pei-Xin Ren
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Ju-Pei Shen
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
| | - Shengsheng Jin
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China
| | - Ji-Zheng He
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Victoria 3010, Australia
| | - Hang-Wei Hu
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Victoria 3010, Australia.
| | - Yusheng Yang
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou 350007, China; School of Geographical Sciences, Fujian Normal University, Fuzhou 350007, China
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29
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Jampilek J. Drug repurposing to overcome microbial resistance. Drug Discov Today 2022; 27:2028-2041. [PMID: 35561965 DOI: 10.1016/j.drudis.2022.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 12/15/2022]
Abstract
Infections are a growing global threat, and the number of resistant species of microbial pathogens is alarming. However, the rapid development of cross-resistant or multidrug-resistant strains and the development of so-called 'superbugs' are in stark contrast to the number of newly launched anti-infectives on the market. In this review, I summarize the causes of antimicrobial resistance, briefly discuss different approaches to the discovery and development of new anti-infective drugs, and focus on drug repurposing strategy, which is discussed from all possible perspectives. A comprehensive overview of drugs of other indications tested for their in vitro antimicrobial activity to support existing anti-infective therapeutics is provided, including several critical remarks on this strategy of repurposing non-antibiotics to antibacterial drugs.
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Affiliation(s)
- Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia; Department of Chemical Biology, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic.
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30
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Cameron A, Esiovwa R, Connolly J, Hursthouse A, Henriquez F. Antimicrobial Resistance as a Global Health Threat: The Need to Learn Lessons from the COVID-19 Pandemic. GLOBAL POLICY 2022; 13:179-192. [PMID: 35601654 PMCID: PMC9111155 DOI: 10.1111/1758-5899.13049] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 06/10/2023]
Abstract
The global COVID-19 pandemic has exacerbated existing health, social, and economic challenges and threatened progress towards achieving the UN sustainable development goals. We discuss lessons learned from the COVID-19 pandemic for global policymaking for health security governance, with a particular focus on antimicrobial resistance. We identify One Health as the primary foundation of public health risk management owing to the collaborative, multidisciplinary, and multisectoral efforts that underpin the One Health approach and that enhance understanding of the complex interactions at the human-animal-environment interface. We discuss the narrow human-centric focus of the One Health approach, highlight the underrepresentation of the environmental sector in One Health networks, and encourage greater representation from the environmental sector. Furthermore, we highlight the importance of the social sciences for health security research and the need for effective communication and trust. Finally, we underscore the importance of strengthened and collaborative health, social care, and disaster management systems. The application of these lessons will facilitate holistic, multisectoral, collaborative, and ethical actions on antimicrobial resistance.
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31
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Herren CM, Baym M. Decreased thermal niche breadth as a trade-off of antibiotic resistance. THE ISME JOURNAL 2022; 16:1843-1852. [PMID: 35422477 PMCID: PMC9213455 DOI: 10.1038/s41396-022-01235-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 03/03/2022] [Accepted: 03/31/2022] [Indexed: 01/24/2023]
Abstract
Evolutionary theory predicts that adaptations, including antibiotic resistance, should come with associated fitness costs; yet, many resistance mutations seemingly contradict this prediction by inducing no growth rate deficit. However, most growth assays comparing sensitive and resistant strains have been performed under a narrow range of environmental conditions, which do not reflect the variety of contexts that a pathogenic bacterium might encounter when causing infection. We hypothesized that reduced niche breadth, defined as diminished growth across a diversity of environments, can be a cost of antibiotic resistance. Specifically, we test whether chloramphenicol-resistant Escherichia coli incur disproportionate growth deficits in novel thermal conditions. Here we show that chloramphenicol-resistant bacteria have greater fitness costs at novel temperatures than their antibiotic-sensitive ancestors. In several cases, we observed no resistance cost in growth rate at the historic temperature but saw diminished growth at warmer and colder temperatures. These results were consistent across various genetic mechanisms of resistance. Thus, we propose that decreased thermal niche breadth is an under-documented fitness cost of antibiotic resistance. Furthermore, these results demonstrate that the cost of antibiotic resistance shifts rapidly as the environment changes; these context-dependent resistance costs should select for the rapid gain and loss of resistance as an evolutionary strategy.
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Affiliation(s)
- Cristina M Herren
- Department of Biomedical Informatics and Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, USA.,Harvard Data Science Initiative, Harvard University, Boston, MA, USA.,Marine and Environmental Sciences, Northeastern University, Boston, MA, USA
| | - Michael Baym
- Department of Biomedical Informatics and Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, USA. .,Harvard Data Science Initiative, Harvard University, Boston, MA, USA.
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Jampilek J, Kralova K. Advances in Nanostructures for Antimicrobial Therapy. MATERIALS 2022; 15:ma15072388. [PMID: 35407720 PMCID: PMC8999898 DOI: 10.3390/ma15072388] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Microbial infections caused by a variety of drug-resistant microorganisms are more common, but there are fewer and fewer approved new antimicrobial chemotherapeutics for systemic administration capable of acting against these resistant infectious pathogens. Formulation innovations of existing drugs are gaining prominence, while the application of nanotechnologies is a useful alternative for improving/increasing the effect of existing antimicrobial drugs. Nanomaterials represent one of the possible strategies to address this unfortunate situation. This review aims to summarize the most current results of nanoformulations of antibiotics and antibacterial active nanomaterials. Nanoformulations of antimicrobial peptides, synergistic combinations of antimicrobial-active agents with nitric oxide donors or combinations of small organic molecules or polymers with metals, metal oxides or metalloids are discussed as well. The mechanisms of actions of selected nanoformulations, including systems with magnetic, photothermal or photodynamic effects, are briefly described.
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Affiliation(s)
- Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
- Correspondence:
| | - Katarina Kralova
- Institute of Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia;
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Grenni P. Antimicrobial Resistance in Rivers: A Review of the Genes Detected and New Challenges. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:687-714. [PMID: 35191071 DOI: 10.1002/etc.5289] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 11/11/2021] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
River ecosystems are very important parts of the water cycle and an excellent habitat, food, and drinking water source for many organisms, including humans. Antibiotics are emerging contaminants which can enter rivers from various sources. Several antibiotics and their related antibiotic resistance genes (ARGs) have been detected in these ecosystems by various research programs and could constitute a substantial problem. The presence of antibiotics and other resistance cofactors can boost the development of ARGs in the chromosomes or mobile genetic elements of natural bacteria in rivers. The ARGs in environmental bacteria can also be transferred to clinically important pathogens. However, antibiotics and their resistance genes are both not currently monitored by national or international authorities responsible for controlling the quality of water bodies. For example, they are not included in the contaminant list in the European Water Framework Directive or in the US list of Water-Quality Benchmarks for Contaminants. Although ARGs are naturally present in the environment, very few studies have focused on non-impacted rivers to assess the background ARG levels in rivers, which could provide some useful indications for future environmental regulation and legislation. The present study reviews the antibiotics and associated ARGs most commonly measured and detected in rivers, including the primary analysis tools used for their assessment. In addition, other factors that could enhance antibiotic resistance, such as the effects of chemical mixtures, the effects of climate change, and the potential effects of the coronavirus disease 2019 pandemic, are discussed. Environ Toxicol Chem 2022;41:687-714. © 2022 SETAC.
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Affiliation(s)
- Paola Grenni
- Water Research Institute, National Research Council of Italy, via Salaria km 29.300, Monterotondo, Rome, 00015, Italy
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Kim H, Kim M, Kim S, Lee YM, Shin SC. Characterization of antimicrobial resistance genes and virulence factor genes in an Arctic permafrost region revealed by metagenomics. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118634. [PMID: 34875269 DOI: 10.1016/j.envpol.2021.118634] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 06/13/2023]
Abstract
Antimicrobial resistance genes (ARGs) and virulence factor genes (VFGs) constitute a serious threat to public health, and climate change has been predicted to affect the increase in bacterial pathogens harboring ARGs and VFGs. However, studies on bacterial pathogens and their ARGs and VFGs in permafrost region have received limited attention. In this study, a metagenomic approach was applied to a comprehensive survey to detect potential ARGs, VFGs, and pathogenic antibiotic resistant bacteria (PARB) carrying both ARGs and VFGs in the active layer and permafrost. Overall, 70 unique ARGs against 18 antimicrobial drug classes and 599 VFGs classified as 38 virulence factors were detected in the Arctic permafrost region. Eight genes with mobile genetic elements (MGEs) carrying ARGs were identified; most MGEs were classified as phages. In the metagenome-assembled genomes, the presence of 15 PARB was confirmed. The soil profile showed that the transcripts per million (TPM) values of ARGs and VFGs in the sub-soil horizon were significantly lower than those in the top soil horizon. Based on the TPM value of each gene, major ARGs, VFGs, and these genes in PARB from the Arctic permafrost region were identified and their distribution was confirmed. The major host bacteria for ARGs and VFGs and PARB were identified. A comparison of the percentage identity distribution of ARGs and VFGs to reference databases indicated that ARGs and VFGs in the Arctic soils differ from previously identified genes. Our results may help understand the characteristics and distribution of ARGs, VFGs, and these genes in PARB in the Arctic permafrost region. This findings suggest that the Arctic permafrost region may serve as potential reservoirs for ARGs, VFGs, and PARB. These genes could pose a new threat to human health if they are released by permafrost thawing owing to global warming and propagate to other regions.
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Affiliation(s)
- Heesoo Kim
- Division of Life Sciences, Korea Polar Research Institute, Incheon, 21990, Republic of Korea
| | - Mincheol Kim
- Division of Life Sciences, Korea Polar Research Institute, Incheon, 21990, Republic of Korea
| | - Sanghee Kim
- Division of Life Sciences, Korea Polar Research Institute, Incheon, 21990, Republic of Korea
| | - Yung Mi Lee
- Division of Life Sciences, Korea Polar Research Institute, Incheon, 21990, Republic of Korea
| | - Seung Chul Shin
- Division of Life Sciences, Korea Polar Research Institute, Incheon, 21990, Republic of Korea.
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Wani AK, Akhtar N, Sher F, Navarrete AA, Américo-Pinheiro JHP. Microbial adaptation to different environmental conditions: molecular perspective of evolved genetic and cellular systems. Arch Microbiol 2022; 204:144. [PMID: 35044532 DOI: 10.1007/s00203-022-02757-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 01/01/2023]
Abstract
Microorganisms are ubiquitous on Earth and can inhabit almost every environment. In a complex heterogeneous environment or in face of ecological disturbance, the microbes adjust to fluctuating environmental conditions through a cascade of cellular and molecular systems. Their habitats differ from cold microcosms of Antarctica to the geothermal volcanic areas, terrestrial to marine, highly alkaline zones to the extremely acidic areas and freshwater to brackish water sources. The diverse ecological microbial niches are attributed to the versatile, adaptable nature under fluctuating temperature, nutrient availability and pH of the microorganisms. These organisms have developed a series of mechanisms to face the environmental changes and thereby keep their role in mediate important ecosystem functions. The underlying mechanisms of adaptable microbial nature are thoroughly investigated at the cellular, genetic and molecular levels. The adaptation is mediated by a spectrum of processes like natural selection, genetic recombination, horizontal gene transfer, DNA damage repair and pleiotropy-like events. This review paper provides the fundamentals insight into the microbial adaptability besides highlighting the molecular network of microbial adaptation under different environmental conditions.
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Affiliation(s)
- Atif Khurshid Wani
- Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Nahid Akhtar
- Department of Biotechnology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK
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Danner MC, Azams SO, Robertson A, Perkins D, Behrends V, Reiss J. It More than Adds Up: Interaction of Antibiotic Mixing and Temperature. Life (Basel) 2021; 11:life11121435. [PMID: 34947966 PMCID: PMC8703992 DOI: 10.3390/life11121435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/10/2021] [Accepted: 12/12/2021] [Indexed: 11/16/2022] Open
Abstract
Use of antibiotics for the treatment and prevention of bacterial infections in humans, agri- and aquaculture as well as livestock rearing leads to antibiotic pollution of fresh water and these antibiotics have an impact on free-living bacteria. While we know which antibiotics are most common in natural environments such as rivers and streams, there is considerable uncertainty regarding antibiotics’ interactions with one another and the effect of abiotic factors such as temperature. Here, we used an experimental approach to explore the effects of antibiotic identity, concentration, mixing and water temperature on the growth of Pseudomonas fluorescens, a common, ubiquitous bacterium. We exposed P. fluorescens to the four antibiotics most commonly found in surface waters (ciprofloxacin, ofloxacin, sulfamethoxazole and sulfapyridine) and investigated antibiotic interactions for single and mixed treatments at different, field-realistic temperatures. We observed an overall dependence of antibiotic potency on temperature, as temperature increased efficacy of ciprofloxacin and ofloxacin with their EC50 lowered by >75% with a 10 °C temperature increase. Further, we show that mixtures of ciprofloxacin and ofloxacin, despite both belonging to the fluoroquinolone class, exhibit low-temperature-dependent synergistic effects in inhibiting bacterial growth. These findings highlight the context dependency of antibiotic efficacy. They further suggest antibiotic-specific off-target effects that only affect the bacteria once they enter a certain temperature range. This has important implications as freshwater systems already contain multi-drug antibiotic cocktails and are changing temperature due to environmental warming. These factors will interact and affect aquatic food webs, and hence this creates an urgent need to adapt and improve laboratory testing conditions to closer reflect natural environments.
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Affiliation(s)
- Marie-Claire Danner
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
- FRB—CESAB, Institut Bouisson Bertrand, 34070 Montpellier, France
| | - Sharon Omonor Azams
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
| | - Anne Robertson
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
| | - Daniel Perkins
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
| | - Volker Behrends
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
| | - Julia Reiss
- School of Life and Health Sciences, Whitelands College, University of Roehampton, London SW15 4JD, UK; (M.-C.D.); (S.O.A.); (A.R.); (D.P.); (V.B.)
- Correspondence:
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Metagenomic and Recombination Analyses of Antimicrobial Resistance Genes from Recreational Waters of Black Sea Coastal Areas and Other Marine Environments Unveil Extensive Evidence for Their both Intrageneric and Intergeneric Transmission across Genetically Very Diverse Microbial Communities. Mar Genomics 2021; 61:100916. [PMID: 34922301 DOI: 10.1016/j.margen.2021.100916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/04/2021] [Accepted: 12/06/2021] [Indexed: 11/20/2022]
Abstract
Microbial communities of marine coastal recreation waters have become large reservoirs of AMR genes (ARGs), contributing to the emergence and transmission of various zoonotic, foodborne and other infections that exhibit resistance to various antibiotics. Thus, it is highly imperative to determine ARGs assemblages as well as mechanisms and trajectories of their transmission across these microbial communities for our better understanding of the evolutionary trends of AMR (AMR). In this study, using metagenomics approaches, we screened for ARGs in recreation waters of the Black Sea coastal areas of the Batumi City (Georgia). Also, a large array of the recombination detection algorithms of the SplitsTree, RDP4, and GARD was applied to elucidate genetic recombination of ARGs and trajectories of their transmission across various marine microbial communities. The metagenomics analyses of sea water samples, obtained from across the above marine sites, could identify putative ARGs encoding for multidrug resistance efflux transporters mainly from the Major Facilitator and Resistance Nodulation Division superfamilies. The data, generated by SplitsTree (fit ≥95.619; bootstrap values ≥ 95; Phi p ≤ 0.0494), RDP4 (p ≤ 0.0490), and GARD, provided strong statistical evidence not only for intrageneric recombination of these ARGs, but also for their intergeneric recombination across fairly large and diverse microbial communities of marine environment. These bacteria included both human pathogenic and nonpathogenic species, exhibiting collectively the genera of Vibrio, Aeromonas, Synechococcus, Citromicrobium, Rhodobacteraceae, Pseudoalteromonas, Altererythrobacter, Erythrobacter, Altererythrobacter, Marivivens, Xuhuaishuia, and Loktanella. The above nonpathogenic bacteria are strongly suggested to contribute to ARGs transmission in marine ecosystems.
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Lloret J, Carreño A, Carić H, San J, Fleming LE. Environmental and human health impacts of cruise tourism: A review. MARINE POLLUTION BULLETIN 2021; 173:112979. [PMID: 34598093 DOI: 10.1016/j.marpolbul.2021.112979] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
The intensive growth of cruise tourism worldwide during recent decades is leading to growing concerns over the sector's global environmental and health impacts. This review combines for the first time various sources of information to estimate the magnitude of the cruise industry's environmental and public health footprints. This research shows that cruising, despite technical advances and some surveillance programmes, remains a major source of air, water (fresh and marine) and land pollution affecting fragile habitats, areas and species, and a potential source of physical and mental human health risks. Health risks impact both the people on board (crew and passengers) and on land (workers of shipyards where cruise ships are dismantled and citizens inhabiting cities with cruise ports and shipyards). In this context, we argue that the cruise industry should be held accountable with more monitoring and regulation to prevent or minimize the growing negative environmental and human health impacts.
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Affiliation(s)
- Josep Lloret
- Oceans & Human Health Chair, Institute of Aquatic Ecology, Faculty of Science, University of Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Spain.
| | - Arnau Carreño
- Oceans & Human Health Chair, Institute of Aquatic Ecology, Faculty of Science, University of Girona, C/ Maria Aurèlia Capmany 69, 17003 Girona, Spain
| | - Hrvoje Carić
- Institute for Tourism, Vrhovec 5, 10000 Zagreb, Croatia
| | - Joan San
- Faculty of Medicine, University of Girona, c/ Emili Grahit, 77, 17003 Girona, Catalonia, Spain
| | - Lora E Fleming
- European Centre for Environment and Human Health, University of Exeter Medical School, Cornwall TR1 3HD, UK.
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Janssen L, de Almeida FM, Damasceno TAS, Baptista RDP, Pappas GJ, de Campos TA, Martins VDP. A Novel Multidrug Resistant, Non-Tn 4401 Genetic Element-Bearing, Strain of Klebsiella pneumoniae Isolated From an Urban Lake With Drinking and Recreational Water Reuse. Front Microbiol 2021; 12:732324. [PMID: 34899623 PMCID: PMC8654192 DOI: 10.3389/fmicb.2021.732324] [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: 06/28/2021] [Accepted: 11/01/2021] [Indexed: 11/13/2022] Open
Abstract
Antimicrobial resistance (AMR) is an increasing and urgent issue for human health worldwide, as it leads to the reduction of available antibiotics to treat bacterial infections, in turn increasing hospital stays and lethality. Therefore, the study and genomic surveillance of bacterial carriers of resistance in and outside of clinical settings is of utter importance. A colony of multidrug resistant (MDR) bacteria identified as Klebsiella spp., by 16S rDNA amplicon sequencing, has been isolated from an urban lake in Brazil, during a drug-degrading bacterial prospection. Genomic analyses revealed the bacteria as Klebsiella pneumoniae species. Furthermore, the in silico Multilocus Sequence Typing (MLST) identified the genome as a new sequence type, ST5236. The search for antimicrobial resistance genes (ARGs) detected the presence of genes against beta-lactams, fosfomycin, acriflavine and efflux pumps, as well as genes for heavy metal resistance. Of particular note, an extended-spectrum beta-lactamase gene (blaCTX-M-15) has been detected in close proximity to siphoviridae genes, while a carbapenemase gene (KPC-2) has been found in an extrachromosomal contig, within a novel non-Tn4401 genetic element (NTEKPC). An extrachromosomal contig found in the V3 isolate is identical to a contig of a K. pneumoniae isolate from a nearby hospital, which indicates a putative gene flow from the hospital network into Paranoá lake. The discovery of a MDR isolate in this lake is worrisome, as the region has recently undergone periods of water scarcity causing the lake, which receives treated wastewater effluent, and is already used for recreational purposes, to be used as an environmental buffer for drinking water reuse. Altogether, our results indicate an underrepresentation of environmental K. pneumoniae among available genomes, which may hamper the understanding of the population dynamics of the species in the environment and its consequences in the spread of ARGs and virulence genes.
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Affiliation(s)
- Luis Janssen
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
| | - Felipe Marques de Almeida
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
| | | | - Rodrigo de Paula Baptista
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
- Institute of Bioinformatics, University of Georgia, Athens, GA, United States
| | - Georgios Joannis Pappas
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
| | - Tatiana Amabile de Campos
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
| | - Vicente de Paulo Martins
- Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brasília, Brazil
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Brycki BE, Szulc A, Kowalczyk I, Koziróg A, Sobolewska E. Antimicrobial Activity of Gemini Surfactants with Ether Group in the Spacer Part. Molecules 2021; 26:molecules26195759. [PMID: 34641303 PMCID: PMC8510121 DOI: 10.3390/molecules26195759] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/15/2021] [Accepted: 09/21/2021] [Indexed: 12/23/2022] Open
Abstract
Due to their large possibility of the structure modification, alkylammonium gemini surfactants are a rapidly growing class of compounds. They exhibit significant surface, aggregation and antimicrobial properties. Due to the fact that, in order to achieve the desired utility effect, the minimal concentration of compounds are used, they are in line with the principle of greenolution (green evolution) in chemistry. In this study, we present innovative synthesis of the homologous series of gemini surfactants modified at the spacer by the ether group, i.e., 3-oxa-1,5-pentane-bis(N-alkyl-N,N-dimethylammonium bromides). The critical micelle concentrations were determined. The minimal inhibitory concentrations of the synthesized compounds were determined against bacteria Escherichia coli ATCC 10536 and Staphylococcus aureus ATCC 6538; yeast Candida albicans ATCC 10231; and molds Aspergillus niger ATCC 16401 and Penicillium chrysogenum ATCC 60739. We also investigated the relationship between antimicrobial activity and alkyl chain length or the nature of the spacer. The obtained results indicate that the synthesized compounds are effective microbicides with a broad spectrum of biocidal activity.
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Affiliation(s)
- Bogumil Eugene Brycki
- Department of Bioactive Products, Faculty of Chemistry, Adam Mickiewicz University Poznan, 61-614 Poznan, Poland; (A.S.); (I.K.)
- Correspondence: ; Tel.: +48-61-829-1694
| | - Adrianna Szulc
- Department of Bioactive Products, Faculty of Chemistry, Adam Mickiewicz University Poznan, 61-614 Poznan, Poland; (A.S.); (I.K.)
| | - Iwona Kowalczyk
- Department of Bioactive Products, Faculty of Chemistry, Adam Mickiewicz University Poznan, 61-614 Poznan, Poland; (A.S.); (I.K.)
| | - Anna Koziróg
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Science, Lodz University of Technology, 90-924 Lodz, Poland;
| | - Ewelina Sobolewska
- Interdisciplinary Doctoral School of the Lodz University of Technology, Lodz University of Technology, 90-924 Lodz, Poland;
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Iwu CD, Patrick SM. An insight into the implementation of the global action plan on antimicrobial resistance in the WHO African region: A roadmap for action. Int J Antimicrob Agents 2021; 58:106411. [PMID: 34371112 DOI: 10.1016/j.ijantimicag.2021.106411] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 06/13/2021] [Accepted: 07/30/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION The Global Action Plan (GAP) on antimicrobial resistance (AMR) delivers a 'One Health' strategy for the development of the national action plan. It encourages the optimal use of antimicrobials and strengthens the evidence base through surveillance and research. METHODS This study evaluated the current status of implementation of the GAP on AMR in World Health Organization (WHO) African countries via a retrospective, cross-sectional analysis of routinely collected data on AMR. A SWOT analysis was used to identify the strengths, weaknesses, opportunities and threats involved in the GAP implementation. A roadmap for action was proposed. RESULTS The overall mean GAP performance score across all the countries that were assessed was 32% ± SD12 (95% CI 27-36%). The mean thematic scores were 59% ± 12 (53-65%) for multi-sector and One Health collaboration; 50% ± 22 (42-58%) for developing national AMR action plans; 38% ± 12 (33-42%) for awareness and training; 18% ± 13 (13-23%) for surveillance; 33% ± 13 (29-38%) for infection prevention and control; and 28% ± 23 (20-37%) for optimal use of antimicrobial medicines in human, animal and plant health. The difference in GAP performance scores between African sub-regions and between income categories was not statistically significant (P > 0.05). While seven countries exhibited strengths in two themes, 25 countries exhibited weaknesses across all themes. Six threats and six opportunities were identified to inform a practical roadmap for AMR action. CONCLUSION The findings from this study indicate that the overall GAP implementation on AMR in the WHO African region is inadequate. Some thematic GAP scores appeared to be relatively good, but on closer inspection, individual indicators revealed a lack of progress and implementation, requiring action.
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Affiliation(s)
- Chidozie Declan Iwu
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
| | - Sean Mark Patrick
- School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; Environmental Chemical Pollution and Health (ECPH) Research Unit, University of Pretoria, Pretoria, South Africa
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Abstract
Temperature variation-through time and across climatic gradients-affects individuals, populations, and communities. Yet how the thermal response of biological systems is altered by environmental stressors is poorly understood. Here, we quantify two key features-optimal temperature and temperature breadth-to investigate how temperature responses vary in the presence of antibiotics. We use high-throughput screening to measure growth of Escherichia coli under single and pairwise combinations of 12 antibiotics across seven temperatures that range from 22°C to 46°C. We find that antibiotic stress often results in considerable changes in the optimal temperature for growth and a narrower temperature breadth. The direction of the optimal temperature shifts can be explained by the similarities between antibiotic-induced and temperature-induced damage to the physiology of the bacterium. We also find that the effects of pairs of stressors in the temperature response can often be explained by just one antibiotic out of the pair. Our study has implications for a general understanding of how ecological systems adapt and evolve to environmental changes. IMPORTANCE The growth of living organisms varies with temperature. This dependence is described by a temperature response curve that is described by an optimal temperature where growth is maximized and a temperature range (termed breadth) across which the organism can grow. Because an organism's temperature response evolves or acclimates to its environment, it is often assumed to change over only evolutionary or developmental timescales. Counter to this, we show here that antibiotics can quickly (over hours) change the optimal growth temperature and temperature breadth for the bacterium Escherichia coli. Moreover, our results suggest a shared-damage hypothesis: when an antibiotic damages similar cellular components as hot (or cold) temperatures do, this shared damage will combine and compound to more greatly reduce growth when that antibiotic is administered at hot (or cold) temperatures. This hypothesis could potentially also explain how temperature responses are modified by stressors other than antibiotics.
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Cardoza E, Singh H. C Group-Mediated Antibiotic Stress Mimics the Cold Shock Response. Curr Microbiol 2021; 78:3372-3380. [PMID: 34283283 DOI: 10.1007/s00284-021-02613-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 07/12/2021] [Indexed: 11/26/2022]
Abstract
A temperature downshift results in stabilized secondary structure formation in mRNA that halts translation to which Escherichia coli responds by synthesizing a set of proteins termed as cold shock proteins (Csps). To cope with the sudden temperature drop, gene expression patterns are reprogrammed to induce Csps at the cost of other proteins. Out of the nine homologous proteins in the CspA family, CspA, CspB, CspG, and CspI have major roles in protecting the cell under a cold shock. Additionally, a subset of Csps has conferred the organism an ability to adapt to various stresses along the lines of nutrient deprivation, oxidative, heat, acid, and antibiotic stresses. Stressors like C group translational inhibitors stall the translational apparatus and produce a response similar to that observed under a temperature downshift. Conditions set by the antibiotic therefore elicit a cold shock response and induce the major Csps, thereby pointing out to a common mechanism existing between the two. In the current review, we briefly describe the induction of E. coli Csps under an antibiotic stress acquired from data published previously and help establish the role of Csps in protecting the cell against the inducing agents and as a participant in the organisms' complex stress response network.
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Affiliation(s)
- Evieann Cardoza
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS Deemed to be University, Vile Parle (West), Mumbai, India
| | - Harinder Singh
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS Deemed to be University, Vile Parle (West), Mumbai, India.
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Kasanga M, Mukosha R, Kasanga M, Siyanga M, Mudenda S, Solochi BB, Chileshe M, Mwiikisa MJ, Gondwe T, Kantenga T, Shibemba AL, Nakazwe R, Chitalu M, Wu J. Antimicrobial resistance patterns of bacterial pathogens their distribution in university teaching hospitals in Zambia. Future Microbiol 2021; 16:811-824. [PMID: 34184556 DOI: 10.2217/fmb-2021-0104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Aim: To determine the antimicrobial resistance patterns of bacterial pathogens from urine, blood and wound infections and their distribution by age, sex and location. Materials & methods: A total of 49,168 samples were collected, processed and analyzed. Results: Multidrug resistance was observed in almost all bacterial pathogens in blood urine and wound swabs. In urine and females odds ratio (OR) = 0.864, p = 0.023, OR = 0.909, p = 0.013 urine and neonates were susceptible to antibiotics OR = 0.859, p = 0.003, OR = 0.741, p < 0.001. Ampicillin resistance was above 90% against Escherichia coli in blood, urine and wound swabs. Conclusion: There was a spike in resistance to imipenem, ciprofloxacin and ampicillin against E. coli, Klebsiella pneumoniae, Proteus mirabilis and Proteus species from all three specimen sources.
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Affiliation(s)
- Maisa Kasanga
- Zhengzhou University, College of Public Health, 100 Kexue Avenue, Zhengzhou, Henan 450001, China.,Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Raphael Mukosha
- Levy Mwanawasa University Teaching Hospital, Laboratory Department, Great East Road, Chainama Area, Lusaka, 3170151, Zambia
| | - Maika Kasanga
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Makomani Siyanga
- Zambia Medicines Regulatory Authority, Plot No. 2350/M, Off KK International Airport Road, Lusaka, 31890, Zambia
| | - Steward Mudenda
- Department of Pharmacy, The University of Zambia, School of Health Sciences, Lusaka, 50110, Zambia.,Department of Disease Control, The University of Zambia, School of Veterinary Medicine, Lusaka, 32379, Zambia
| | - Benjamin Bisesa Solochi
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Misheck Chileshe
- Department of Mary Begg Health Services Laboratory, 56 Chintu Avenue, Northrise, Ndola, 72221, Zambia
| | - Mark J Mwiikisa
- Department of Lusaka Trust Hospital Laboratory, Plot 2190, Nsumbu Rd, Woodlands, Lusaka Main, Lusaka, 35852, Zambia
| | - Theodore Gondwe
- Zhengzhou University, College of Public Health, 100 Kexue Avenue, Zhengzhou, Henan 450001, China
| | - Timothy Kantenga
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Aaron Lunda Shibemba
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia.,Directorate of Clinical Pathology & Laboratory Services, Ministry of Health, Lusaka, Zambia
| | - Ruth Nakazwe
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Mwansa Chitalu
- Department of Pathology & Microbiology, University Teaching Hospitals, P/Bag RW1X, Lusaka, Zambia
| | - Jian Wu
- Zhengzhou University, College of Public Health, 100 Kexue Avenue, Zhengzhou, Henan 450001, China
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Pepi M, Focardi S. Antibiotic-Resistant Bacteria in Aquaculture and Climate Change: A Challenge for Health in the Mediterranean Area. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5723. [PMID: 34073520 PMCID: PMC8198758 DOI: 10.3390/ijerph18115723] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/11/2021] [Accepted: 05/22/2021] [Indexed: 12/30/2022]
Abstract
Aquaculture is the productive activity that will play a crucial role in the challenges of the millennium, such as the need for proteins that support humans and the respect for the environment. Aquaculture is an important economic activity in the Mediterranean basin. A great impact is presented, however, by aquaculture practices as they involve the use of antibiotics for treatment and prophylaxis. As a consequence of the use of antibiotics in aquaculture, antibiotic resistance is induced in the surrounding bacteria in the column water, sediment, and fish-associated bacterial strains. Through horizontal gene transfer, bacteria can diffuse antibiotic-resistance genes and mobile resistance genes further spreading genetic determinants. Once triggered, antibiotic resistance easily spreads among aquatic microbial communities and, from there, can reach human pathogenic bacteria, making vain the use of antibiotics for human health. Climate change claims a significant role in this context, as rising temperatures can affect cell physiology in bacteria in the same way as antibiotics, causing antibiotic resistance to begin with. The Mediterranean Sea represents a 'hot spot' in terms of climate change and aspects of antibiotic resistance in aquaculture in this area can be significantly amplified, thus increasing threats to human health. Practices must be adopted to counteract negative impacts on human health, with a reduction in the use of antibiotics as a pivotal point. In the meantime, it is necessary to act against climate change by reducing anthropogenic impacts, for example by reducing CO2 emissions into the atmosphere. The One Health type approach, which involves the intervention of different skills, such as veterinary, ecology, and medicine in compliance with the principles of sustainability, is necessary and strongly recommended to face these important challenges for human and animal health, and for environmental safety in the Mediterranean area.
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Affiliation(s)
- Milva Pepi
- Stazione Zoologica Anton Dohrn, Fano Marine Centre, Viale Adriatico 1-N, 61032 Fano, Italy;
| | - Silvano Focardi
- Department of Environmental Sciences, Università di Siena, Via Mattioli, 4, 53100 Siena, Italy
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Gudipati S, Zervos M, Herc E. Can the One Health Approach Save Us from the Emergence and Reemergence of Infectious Pathogens in the Era of Climate Change: Implications for Antimicrobial Resistance? Antibiotics (Basel) 2020; 9:antibiotics9090599. [PMID: 32937739 PMCID: PMC7557833 DOI: 10.3390/antibiotics9090599] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/11/2022] Open
Abstract
Climate change has become a controversial topic in today’s media despite decades of warnings from climate scientists and has influenced human health significantly with the increasing prevalence of infectious pathogens and contribution to antimicrobial resistance. Elevated temperatures lead to rising sea and carbon dioxide levels, changing environments and interactions between humans and other species. These changes have led to the emergence and reemergence of infectious pathogens that have already developed significant antimicrobial resistance. Although these new infectious pathogens are alarming, we can still reduce the burden of infectious diseases in the era of climate change if we focus on One Health strategies. This approach aims at the simultaneous protection of humans, animals and environment from climate change and antimicrobial impacts. Once these relationships are better understood, these models can be created, but the support of our legislative and health system partnerships are critical to helping with strengthening education and awareness.
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