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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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Noyer M, Reoyo-Prats B, Aubert D, Bernard M, Verneau O, Palacios C. Particle-attached riverine bacteriome shifts in a pollutant-resistant and pathogenic community during a Mediterranean extreme storm event. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 732:139047. [PMID: 32473395 DOI: 10.1016/j.scitotenv.2020.139047] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/22/2020] [Accepted: 04/25/2020] [Indexed: 06/11/2023]
Abstract
Rivers are representative of the overall contamination found in their catchment area. Contaminant concentrations in watercourses depend on numerous factors including land use and rainfall events. Globally, in Mediterranean regions, rainstorms are at the origin of fluvial multipollution phenomena as a result of Combined Sewer Overflows (CSOs) and floods. Large loads of urban-associated microorganisms, including faecal bacteria, are released from CSOs which place public health - as well as ecosystems - at risk. The impacts of freshwater contamination on river ecosystems have not yet been adequately addressed, as is the case for the release of pollutant mixtures linked to extreme weather events. In this context, microbial communities provide critical ecosystem services as they are the only biological compartment capable of degrading or transforming pollutants. Through the use of 16S rRNA gene metabarcoding of environmental DNA at different seasons and during a flood event in a typical Mediterranean coastal river, we show that the impacts of multipollution phenomena on structural shifts in the particle-attached riverine bacteriome were greater than those of seasonality. Key players were identified via multivariate statistical modelling combined with network module eigengene analysis. These included species highly resistant to pollutants as well as pathogens. Their rapid response to contaminant mixtures makes them ideal candidates as potential early biosignatures of multipollution stress. Multiple resistance gene transfer is likely enhanced with drastic consequences for the environment and human-health, particularly in a scenario of intensification of extreme hydrological events.
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Affiliation(s)
- Mégane Noyer
- Univ. Perpignan Via Domitia, CEFREM, UMR5110, F-66860 Perpignan, France; CNRS, CEFREM, UMR5110, F-66860 Perpignan, France
| | - Brice Reoyo-Prats
- Univ. Perpignan Via Domitia, CEFREM, UMR5110, F-66860 Perpignan, France; CNRS, CEFREM, UMR5110, F-66860 Perpignan, France
| | - Dominique Aubert
- Univ. Perpignan Via Domitia, CEFREM, UMR5110, F-66860 Perpignan, France; CNRS, CEFREM, UMR5110, F-66860 Perpignan, France
| | - Maria Bernard
- Univ. Paris-Saclay, INRAE, AgroParisTech, GABI, 78350 Jouy-en-Josas, France; INRAE, SIGENAE, 78350 Jouy-en-Josas, France
| | - Olivier Verneau
- Univ. Perpignan Via Domitia, CEFREM, UMR5110, F-66860 Perpignan, France; CNRS, CEFREM, UMR5110, F-66860 Perpignan, France; Unit. for Environmental Sciences and Management, North-West University, ZA-2520 Potchefstroom, South Africa
| | - Carmen Palacios
- Univ. Perpignan Via Domitia, CEFREM, UMR5110, F-66860 Perpignan, France; CNRS, CEFREM, UMR5110, F-66860 Perpignan, France.
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Masters NM, Wiegand A, Thompson JM, Vollmerhausen TL, Hatje E, Katouli M. Enterococci populations of a metropolitan river after an extreme flood event: prevalence, persistence and virulence determinants. JOURNAL OF WATER AND HEALTH 2017; 15:684-694. [PMID: 29040072 DOI: 10.2166/wh.2017.284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We investigated the prevalence, persistence and virulence determinants of enterococci populations in water samples collected over three rounds following an extreme flood event in a metropolitan river. Enterococci (n = 482) were typed using the high resolution biochemical fingerprinting method (PhP typing) and grouped into common (C) or single (S) biochemical phenotypes (BPTs). In all, 23 C-BPTs (72.6% of isolates) were found across the sites. A representative isolate of each C-BPT was identified to the species level and tested for the presence of seven virulence genes (VGs), biofilm formation and resistance to 14 antibiotics. The enterococci concentrations in samples collected during the first two rounds were above national recreational water guidelines. By round three, enterococci concentrations decreased significantly (P < 0.05). However, 11 C-BPTs (55.5% of isolates) persisted across all sampling rounds. E. casseliflavus and E. mundtii were the most common enterococci populations comprising of >57% of all isolates. Ten of the 11 most dominant C-BPTs were resistant to multiple antibiotics and harboured one or more VGs. The high prevalence of antibiotic resistance and VGs among enterococci isolates in this catchment not only provides them with niche advantages but also poses a risk to public health.
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Affiliation(s)
- Nicole M Masters
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
| | - Aaron Wiegand
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
| | - Jasmin M Thompson
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
| | - Tara L Vollmerhausen
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
| | - Eva Hatje
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
| | - Mohammad Katouli
- Genecology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia E-mail:
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