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Stec J, Kosikowska U, Mendrycka M, Stępień-Pyśniak D, Niedźwiedzka-Rystwej P, Bębnowska D, Hrynkiewicz R, Ziętara-Wysocka J, Grywalska E. Opportunistic Pathogens of Recreational Waters with Emphasis on Antimicrobial Resistance-A Possible Subject of Human Health Concern. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127308. [PMID: 35742550 PMCID: PMC9224392 DOI: 10.3390/ijerph19127308] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/16/2022]
Abstract
Infections caused by exposure to opportunistic pathogens can cause serious health problems during recreational water use. The problem of diseases caused by microbes transmitted by water is a major public health challenge, especially in developing countries with economic problems and poor hygiene conditions. Moreover, the quality of water in natural reservoirs is often at a very low level in terms of microbiological water purity, which means that their use for recreational purposes, but also as a source of drinking water, may have serious health consequences. Recreational waters pose a threat to human health. Therefore, the quality of recreational waters is closely monitored in many jurisdictions. In this review, we summarize key information on the most common pathogens that can be water-based or waterborne. The issue of antimicrobial resistance among opportunistic pathogens remains equally important. It is important not only to fight pathogens, but also to take action to reduce chemical stressors (especially antibiotics) in the aquatic environment, and to understand the various mechanisms of the spread of antibiotic-resistant genes.
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Affiliation(s)
- Joanna Stec
- Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland; (J.S.); (U.K.)
| | - Urszula Kosikowska
- Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland; (J.S.); (U.K.)
| | - Mariola Mendrycka
- Department of Nursing, Kazimierz Pulaski University of Technology and Humanities in Radom, 26-600 Radom, Poland;
| | - Dagmara Stępień-Pyśniak
- Department of Veterinary Prevention and Avian Diseases, Institute of Biological Bases of Animal Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-950 Lublin, Poland;
| | | | - Dominika Bębnowska
- Institute of Biology, University of Szczecin, 71-412 Szczecin, Poland; (P.N.-R.); (R.H.)
- Correspondence:
| | - Rafał Hrynkiewicz
- Institute of Biology, University of Szczecin, 71-412 Szczecin, Poland; (P.N.-R.); (R.H.)
| | | | - Ewelina Grywalska
- Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland;
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Shen S, Yang S, Zhang D, Jia Y, Zhang F, Wang Y, Wang W. Spatial distribution of antibiotic resistance genes of the Zaohe-Weihe Rivers, China: exerting a bottleneck in the hyporheic zone. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:38410-38424. [PMID: 35076844 DOI: 10.1007/s11356-022-18579-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
The hyporheic zone (HZ) is an active biogeochemical region where groundwater and surface water mix and a potential reservoir for antibiotic resistance genes (ARGs). In this paper, the relative abundance and spatial distribution of ARGs in the HZ media were investigated, taking into consideration both the five speciation of six metals and the local characteristics. The samples of surface water, groundwater, and sediment were collected from Zaohe-Weihe Rivers of Xi'an City, which is a representative city with characteristics of the northwest region of China. Of 271 ARGs associated with 9 antibiotics, 228 ARGs were detected, with a total detection rate of 84%. Sulfonamide and aminoglycoside ARGs were the dominant types of ARGs. The top 6 ARGs and mobile genetic elements (MGEs) in terms of abundance were tnpA-04, cepA, sul1, aadA2-03, sul2 and intI1. The results of principal component analysis (PCA) showed that the distribution characteristics of ARGs were not associated with the sampling sites but with the environmental medias. Similarity in the water phases and significant differences in the water and sediment phases were found. The redundancy analysis (RDA) identified the key factors controlling ARG pollution, including dissolved oxygen (DO) in surface water, total nitrogen (TN) in groundwater, and total organic carbon (TOC) in sediment. In terms of the speciation of heavy metals, we further revealed the promotion effect between ARGs and heavy metals, especially the residual fraction of Ni. In terms of horizontal transfer mechanism, ARGs were significantly correlated with tnpA-03 in water phase and tnpA-04 in sediment. In the three media, intI1 and ARGs all show a significant correlation. These findings showed that hyporheic zone exerted a bottleneck effect on the distribution and transfer of ARGs.
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Affiliation(s)
- Siqi Shen
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China
- School of Water and Environment, Chang'an University, Xi'an, 710054, China
- China United Northwest Institute for Engineering Design & Research Co., Ltd, Xi'an, 710077, China
| | - Shengke Yang
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China.
- School of Water and Environment, Chang'an University, Xi'an, 710054, China.
| | - Dan Zhang
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China
- School of Water and Environment, Chang'an University, Xi'an, 710054, China
| | - Yang Jia
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China
- School of Water and Environment, Chang'an University, Xi'an, 710054, China
| | - Fanfan Zhang
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China
- School of Water and Environment, Chang'an University, Xi'an, 710054, China
| | - Yanhua Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an, 710054, China
| | - Wenke Wang
- Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Chang'an University, Xi'an, 710054, China
- School of Water and Environment, Chang'an University, Xi'an, 710054, China
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Kovacs ED, Silaghi-Dumitrescu L, Roman C, Tian D. Structural and Metabolic Profiling of Lycopersicon esculentum Rhizosphere Microbiota Artificially Exposed at Commonly Used Non-Steroidal Anti-Inflammatory Drugs. Microorganisms 2022; 10:microorganisms10020254. [PMID: 35208709 PMCID: PMC8878439 DOI: 10.3390/microorganisms10020254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/06/2022] [Accepted: 01/18/2022] [Indexed: 12/10/2022] Open
Abstract
In this study, the effect of common non-steroidal anti-inflammatory drugs on Lycopersicon esculentum rhizosphere microbiota was monitored. The experiments were performed with artificially contaminated soil with ibuprofen (0.5 mg·kg−1), ketoprofen (0.2 mg·kg−1) and diclofenac (0.7 mg·kg−1). The results evidenced that the rhizosphere microbiota abundance decreased especially under exposure to diclofenac (187–201 nmol·g−1 dry weight soil) and ibuprofen (166–183 nmol·g−1 dry weight soil) if compared with control (185–240 nmol·g−1 dry weight soil), while the fungal/bacteria ratio changed significantly with exposure to diclofenac (<27%) and ketoprofen (<18%). Compared with control samples, the average amount of the ratio of Gram-negative/Gram-positive bacteria was higher in rhizosphere soil contaminated with ibuprofen (>25%) and lower in the case of diclofenac (<46%) contamination. Carbon source consumption increased with the time of assay in case of the control samples (23%) and those contaminated with diclofenac (8%). This suggests that rhizosphere microbiota under contamination with diclofenac consume a higher amount of carbon, but they do not consume a larger variety of its sources. In the case of contamination with ibuprofen and ketoprofen, the consumption of carbon source presents a decreasing tendency after day 30 of the assay. Rhizosphere microbiota emitting volatile organic compounds were also monitored. Volatile compounds belonging to alcohol, aromatic compounds, ketone, terpene, organic acids, aldehyde, sulphur compounds, esters, alkane, nitrogen compounds, alkene and furans were detected in rhizosphere soil samples. Among these, terpene, ketone, alcohol, aromatic compounds, organic acids and alkane were the most abundant compound classes (>75%), but their percentage changed with exposure to diclofenac, ketoprofen and ibuprofen. Such changes in abundance, structure and the metabolic activity of Lycopersicon esculentum rhizosphere microbiota under exposure to common non-steroidal anti-inflammatory drugs suggest that there is a probability to also change the ecosystem services provided by rhizosphere microbiota.
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Affiliation(s)
- Emoke Dalma Kovacs
- Research Institute for Analytical Instrumentation, INCDO-INOE 2000, 400293 Cluj-Napoca, Romania;
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 400028 Cluj-Napoca, Romania;
- Correspondence:
| | | | - Cecilia Roman
- Research Institute for Analytical Instrumentation, INCDO-INOE 2000, 400293 Cluj-Napoca, Romania;
| | - Di Tian
- Research Center of Forest Management Engineering of State Forestry and Grassland Administration, College of Forestry, Beijing Forestry University, Beijing 100083, China;
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Peng JJ, Balasubramanian B, Ming YY, Niu JL, Yi CM, Ma Y, Liu WC. Identification of antimicrobial resistance genes and drug resistance analysis of Escherichia coli in the animal farm environment. J Infect Public Health 2021; 14:1788-1795. [PMID: 34785168 DOI: 10.1016/j.jiph.2021.10.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/20/2021] [Accepted: 10/25/2021] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Antibiotics are widely used to prevent and control diseases and infection for reducing the morbidity and mortality of animals, because of the high-density stocking in modern food-source animal production. However, the overuse of antibiotics in animal farms results in antimicrobial resistance (AMR), and causes public health issues through the food chain. Therefore, the AMR analysis of the farms and their surrounding environments is great significance to public health. METHODS To investigate the distribution of AMR genes and analyze the antimicrobial drug resistance of Escherichia coli in feces and surrounding soil of animal farm in Zhanjiang, China. E. coli was isolated and identified through PCR, and the distribution of 21 common antimicrobial drug resistance genes were also detected by using PCR. The minimum inhibitory concentration (MIC) of the isolated E. coli strains against 22 drugs was detected using the broth double dilution method. RESULTS The results showed that the different AMR genes were detected in both feces and soil, and the detection rate of each AMR gene was higher than 50%. The detection rate of most AMR genes in feces was higher than those in soil. Besides, the isolated 88 strains of E. coli were resistant to 22 kinds of antimicrobial drugs. The highest drug resistance rate (100%) was observed for amoxicillin, colistin, doxycycline and oxytetracycline, and the drug resistance rate of cephalosporins was less than 10%. The drug resistance rate of the isolated strains of E. coli from feces was higher than those from soil, however, in both of feces and soil, most of the isolated strains of E. coli from (77.55% of isolates from feces, 79.49% of isolates from soil and total 78.41%) showed multi-drug resistance (resistant to 15-22 drugs). CONCLUSION Overall, the detection rate of AMR genes in feces and soil from hog farms was high, and the isolated strains of E. coli from both feces and soil showed multi-drug resistance. Also, the results showed that the AMR genes and drug resistance in the feces and soil from the hog farms are similar. These findings suggested that the AMR genes could be transmitted horizontally from the animal feces to surrounding environments of farms. Therefore, it is urgent need to strengthen the monitoring and guide the rational use of antimicrobial drugs in the hog industry of Zhanjiang, China.
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Affiliation(s)
- Jin-Ju Peng
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | | | - Yue-Yue Ming
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Jin-Li Niu
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Chun-Mei Yi
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Yi Ma
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Wen-Chao Liu
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China.
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Bolukaoto JY, Singh A, Alfinete N, Barnard TG. Occurrence of Hybrid Diarrhoeagenic Escherichia coli Associated with Multidrug Resistance in Environmental Water, Johannesburg, South Africa. Microorganisms 2021; 9:2163. [PMID: 34683484 PMCID: PMC8538365 DOI: 10.3390/microorganisms9102163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/25/2021] [Accepted: 09/27/2021] [Indexed: 12/20/2022] Open
Abstract
This study was undertaken to determine the virulence and antibiotic resistance profiles of diarrhoeagenic Escherichia coli (DEC) in environmental waters of Johannesburg, South Africa. Samples were collected and cultured on selective media. An 11-plex PCR assay was used to differentiate five DEC, namely: enteroaggregative (EAEC), enterohaemorrhagic (EHEC), enteroinvasive (EIEC), enteropathogenic (EPEC) and enterotoxigenic (ETEC). The antibiotic resistance profile of isolates was determined using the VITEK®-2 automated system. The virulence profiles of 170 E. coli tested showed that 40% (68/170) were commensals and 60% (102/170) were pathogenic. EPEC had a prevalence of 19.2% (32/170), followed by ETEC 11.4% (19/170), EAEC 6% (10/170) and EHEC 3% (5/170). Hybrid DEC carrying a combination of simultaneously two and three pathogenic types was detected in twenty-eight and nine isolates, respectively. The antibiotic susceptibility testing showed isolates with multidrug resistance, including cefuroxime (100%), ceftazidime (86%), cefotaxime (81%) and cefepime (79%). This study highlighted the widespread occurrence of DEC and antibiotic resistance strains in the aquatic ecosystem of Johannesburg. The presence of hybrid pathotypes detected in this study is alarming and might lead to more severe diseases. There is a necessity to enhance surveillance in reducing the propagation of pathogenic and antibiotic-resistant strains in this area.
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Affiliation(s)
| | | | | | - Tobias G. Barnard
- Water and Health Research Centre, University of Johannesburg, Doornfontein 2092, South Africa; (J.Y.B.); (A.S.); (N.A.)
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Antibiotic Resistance of Escherichia coli Isolated from Processing of Brewery Waste with the Addition of Bulking Agents. SUSTAINABILITY 2021. [DOI: 10.3390/su131810174] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The aim of the study was to determine the drug resistance profile and to assess the presence of genes responsible for the production of extended-spectrum beta-lactamases in Escherichia coli isolated from energy-processed hop sediment with the addition of bulking agents. Antibiotic resistance was determined by the disk diffusion method and the PCR technique to detect genes determining the extended-spectrum beta-lactamases (ESBLs) mechanism. A total of 100 strains of E. coli were collected. The highest resistance was found to aztreonam, tetracycline, ampicillin, ticarcillin, and ceftazidime. The bacteria collected were most often resistant to even 10 antibiotics at the same time and 15 MDR strains were found. The ESBL mechanism was determined in 14 isolates. Among the studied genes responsible for beta-lactamase production, blaTEM was the most common (64%). The study revealed that the analysed material was colonised by multi-drug-resistant strains of E. coli, which pose a threat to public health. The obtained results encourage further studies to monitor the spread of drug resistance in E. coli.
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Lin IC, Hussain B, Hsu BM, Chen JS, Hsu YL, Chiu YC, Huang SW, Wang JL. Prevalence, Genetic Diversity, Antimicrobial Resistance, and Toxigenic Profile of Vibrio vulnificus Isolated from Aquatic Environments in Taiwan. Antibiotics (Basel) 2021; 10:antibiotics10050505. [PMID: 33946739 PMCID: PMC8147101 DOI: 10.3390/antibiotics10050505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/20/2021] [Accepted: 04/24/2021] [Indexed: 12/19/2022] Open
Abstract
Vibrio vulnificus is a gram-negative, opportunistic human pathogen associated with life-threatening wound infections and is commonly found in warm coastal marine water environments, globally. In this study, two fishing harbors and three tributaries of the river basin were analyzed for the prevalence of V. vulnificus in the water bodies and shellfish that are under the pressure of external pollutions. The average detection rate of V. vulnificus in the river basins and fishing harbors was 8.3% and 4.2%, respectively, in all seasons. A total of nine strains of V. vulnificus were isolated in pure cultures from 160 samples belonging to river basins and fishing harbors to analyze the antibiotic susceptibility, virulence gene profiles, and enterobacterial repetitive intergenic consensus PCR (ERIC-PCR) fingerprinting. All isolates were susceptible to 10 tested antibiotics. The genotypic characterization revealed that 11.1% (n = 1/9) strain was nonvirulent, whereas 88.9% (n = 8/9) isolates were virulent strains, which possessed the four most prevalent toxin genes such as vcgC (88.9%), 16S B (88.9%), vvhA (88.9%), and manIIA (88.9%), followed by nanA (77.8%), CPS1 (66.7), and PRXII (44.4%). Additionally, ERIC-PCR fingerprinting grouped these nine isolates into two main clusters, among which the river basin isolates showed genetically diverse profiles, suggesting multiple sources of V. vulnificus. Ultimately, this study highlighted the virulent strains of V. vulnificus in the coastal aquatic environments of Taiwan, harboring a potential risk of infection to human health through water-borne transmission.
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Affiliation(s)
- I-Ching Lin
- Department of Kinesiology, Health and Leisure, Chienkuo Technology University, Changhua City 500, Taiwan;
- Department of Family Medicine, Asia University Hospital, Taichung City 413, Taiwan
| | - Bashir Hussain
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan;
- Department of Biomedical Sciences, National Chung Cheng University, Chiayi 621, Taiwan
| | - Bing-Mu Hsu
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi 621, Taiwan;
- Center for Innovative on Aging Society (CIRAS), National Chung Cheng University, Chiayi 621, Taiwan
- Correspondence: ; Tel.: +886-5272-0411 (ext. 66218)
| | - Jung-Sheng Chen
- Department of Medical Research, E-Da Hospital, Kaohsiung City 824, Taiwan;
| | - Yu-Ling Hsu
- Department of Nuclear Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi 600, Taiwan;
| | - Yi-Chou Chiu
- General Surgery, Surgical Department, Cheng Hsin General Hospital, Taipei 112, Taiwan;
| | - Shih-Wei Huang
- Center for Environmental Toxin and Emerging Contaminant Research, Cheng Shiu University, Kaohsiung City 833, Taiwan;
- Super Micro Research and Technology Center, Cheng Shiu University, Kaohsiung City 833, Taiwan
| | - Jiun-Ling Wang
- Department of Internal Medicine, National Cheng Kung University Hospital, Tainan 704, Taiwan;
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Fallah N, Rad M, Ghazvini K, Ghaemi M, Jamshidi A. Molecular typing and prevalence of extended-spectrum β-lactamase genes in diarrhoeagenic Escherichia coli strains isolated from foods and humans in Mashhad, Iran. J Appl Microbiol 2021; 131:2033-2048. [PMID: 33719123 DOI: 10.1111/jam.15062] [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: 12/02/2020] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 11/29/2022]
Abstract
AIMS Present study was aimed to determine ESBL-encoding genes distribution in Diarrhoeagenic Escherichia coli (DEC) isolated from animal-source food products and human clinical samples in Mashhad, Iran. The strains were also further studied to analyse genotypic diversity and find genetic relationships between them. METHODS AND RESULTS The number of 85 DEC strains including 52 and 33 strains isolated from 300 food and 520 human stool samples, respectively. Randomly amplified polymorphic DNA (RAPD), and repetitive extragenic palindromic-PCR (rep-PCR) typing methods were used to track their genetic relationships. The ESBL-encoding genes prevalence was approximately 70% in both groups of isolates. The blaTEM , blaCTX-M and blaSHV were prevalent in 67·1, 20 and 10·6% of isolates, respectively. The ESBL-positives showed significantly higher resistance rates to gentamicin, co-trimoxazole, tetracycline, aztreonam and chloramphenicol (P < 0·05). Fingerprinting patterns-based dendrograms divided DEC strains into separate clusters irrespective of their sources and pathotypes. In typing field, rep-PCR provided more discriminatory power (Simpson's index of diversity (SID) = 0·925) than RAPD (SID = 0·812). CONCLUSION Molecular similarity between certain animal-sourced food products and clinical sample strains supported food-borne transmission routes for genotypic elements such as ESBL-encoding genes. SIGNIFICANCE AND IMPACT OF THE STUDY Findings emphasize the importance of resistance issues, the need to improve treatment guidelines and routine surveillance of hygienic measures during food processing.
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Affiliation(s)
- N Fallah
- Department of Food Hygiene, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - M Rad
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - K Ghazvini
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M Ghaemi
- Department of Pathobiology, Faculty of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - A Jamshidi
- Department of Food Hygiene, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
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Li Y, Zhang M, Luo J, Chen J, Wang Q, Lu S, Ji H. Antimicrobial resistance of Escherichia coli isolated from retail foods in northern Xinjiang, China. Food Sci Nutr 2020; 8:2035-2051. [PMID: 32328270 PMCID: PMC7174230 DOI: 10.1002/fsn3.1491] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 02/01/2020] [Accepted: 02/04/2020] [Indexed: 12/25/2022] Open
Abstract
To determine antimicrobial resistance, 431 samples of retail foods purchased at different supermarkets in Northern Xinjiang were examined in this study. There were 112 Escherichia coli strains that were isolated, with approximately 26% of the samples contaminated by E. coli. The detection rate of E. coli isolated from pork was the highest (59.6%), followed by mutton (52.6%), retail fresh milk (52.4%), duck (36.4%), beef (35.3%), chicken (33.3%), and ready-to-eat food (12.9%); the E. coli detection rate for fish and vegetables was <11%. The result showed that the 112 isolates were mostly resistant to tetracycline (52%), followed by ampicillin (42%), compound trimethoprim/sulfamethoxazole (37%), amoxicillin (33%), and nalidixic acid (32%), imipenem resistance was not detected. One hundred isolates carried at least one antimicrobial resistance gene. The detection rate of resistance genes of our study was as follows: tetA (38%), tetB (27%), bla OXA (40%), bla TEM (20%), floR (20%), sul1 (16%), sul2 (27%), aad Ala (19%), aadB (11%), strA (28%), and strB (24%); tetC and bla PSE were not detected. Virulence genes fimC, agg, stx2, fimA, fyuA, papA, stx1, and eaeA were found in 52, 34, 21, 19, 6, 3, 2, and 2 isolates, respectively; papC was not detected. There was a statistically significant association between fimC and resistance to ciprofloxacin (p = .001), gentamicin (p = .001), amikacin (p = .001), levofloxacin (p = .001), and streptomycin (p = .001); between fimA and resistance to tetracycline (p = .001), ampicillin (p = .001), compound trimethoprim/sulfamethoxazole (p = .001), and amoxicillin (p = .003); between agg and resistance to gentamicin (p = .001), tetracycline (p = .001), ciprofloxacin (p = .017), and levofloxacin (p = .001); and between stx2 and resistance to ampicillin (p = .001), tetracycline (p = .001), compound trimethoprim/sulfamethoxazole (p = .002), and amoxicillin (p = .015).
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Affiliation(s)
- Yingjiao Li
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Mei Zhang
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Juan Luo
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Jiluan Chen
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Qingling Wang
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Shiling Lu
- School of Food Science and TechnologyShihezi UniversityShiheziChina
| | - Hua Ji
- School of Food Science and TechnologyShihezi UniversityShiheziChina
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Wu B, Qi C, Wang L, Yang W, Zhou D, Wang M, Dong Y, Weng H, Li C, Hou X, Long X, Wang H, Chai T. Detection of microbial aerosols in hospital wards and molecular identification and dissemination of drug resistance of Escherichia coli. ENVIRONMENT INTERNATIONAL 2020; 137:105479. [PMID: 32070803 DOI: 10.1016/j.envint.2020.105479] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/29/2019] [Accepted: 01/09/2020] [Indexed: 05/22/2023]
Abstract
Antibiotic-resistant bacteria (ARB) present a global public health problem. Microorganisms are the main cause of hospital-acquired infections, and the biological contamination of hospital environments can cause the outbreak of a series of infectious diseases. Therefore, it is very important to understand the spread of antibiotic-resistant bacteria in hospital environments. This study examines the concentrations of aerobic bacteria and E. coli in ward environments and the airborne transmission of bacterial drug resistance. The results show that the three wards examined have an average aerobic bacterial concentration of 132 CFU∙m-3 and an average inhalable aerobic bacterial concentration of 73 CFU∙m-3, with no significant difference (P > 0.05) among the three wards. All isolated E. coli showed multi-drug resistance to not only third-generation cephalosporin antibiotics, but also quinolones, aminoglycosides, and sulfonamides. Furthermore, 51 airborne E. coli strains isolated from the air in the three wards and the corridor were screened for ESBLs, and 12 (23.53%) were ESBL-positive. The drug-resistance gene of the 12 ESBL-positive strains was mainly TEM gene, and the detection rate was 66.67% (8/12). According to a homology analysis with PFGE, 100% homologous E. coli from the ward at 5 m and 10 m outside the ward in the corridor shared the same drug-resistance spectrum, which further proves that airborne E. coli carrying a drug-resistance gene spreads out of the ward through gas exchange. This leads to biological pollution inside, outside, and around the ward, which poses a direct threat to the health of patients, healthcare workers, and surrounding residents. It is also the main reason for the antibiotic resistance in the hospital environment. More attention should be paid to comprehensive hygiene management in the surrounding environment of hospitals.
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Affiliation(s)
- Bo Wu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | | | | | - Wenhui Yang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, No. 20, Dongdajie, Fengtai, Beijing 100071, China
| | - Dongsheng Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, No. 20, Dongdajie, Fengtai, Beijing 100071, China
| | - Meng Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Yunxiang Dong
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Hongyu Weng
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Changming Li
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Xiaohong Hou
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Xianrong Long
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China
| | - Hairong Wang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China.
| | - Tongjie Chai
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University; Key Laboratory of Animal Bioengineering and Animal Disease of Shandong Province; Sino-German Cooperative Research Centre for Zoonosis of Animal Origin, Shandong Province; 61 Daizong Road, Tai'an 271000, Shandong Province, China.
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11
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Escherichia coli OxyS RNA triggers cephalothin resistance by modulating the expression of CRP-associated genes. Biochem Biophys Res Commun 2018; 506:66-72. [PMID: 30340824 DOI: 10.1016/j.bbrc.2018.10.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 10/13/2018] [Indexed: 11/21/2022]
Abstract
Antibiotics have been one of the most successful forms of therapy in medicine. However, the efficiency of antibiotics is compromised by the emergence of antibiotic-resistant pathogens. To reduce antibiotic resistance, complete understanding of bacterial tactics to defend themselves against antibiotics is necessary. Small-noncoding RNAs (sRNAs) modulate gene expression by base-pairing with multiple target mRNAs. Cellular levels of Hfq-dependent sRNAs influence antibiotic resistance by modulating expression of specific target genes; therefore, such sRNAs could be a good tool to identify target mRNAs that modulate antibiotic susceptibility and may themselves be used as druggable molecules. Here, we report the identification of genes and pathways associated with OxyS RNA-mediated cephalothin resistance using phenotypic and expression analyses of OxyS-regulated genes identified by RNA-seq, literature mining, or predictions. From our studies we found that the differential expression of 27 OxyS-regulated genes was involved in cephalothin susceptibility. Among them, 17 gene knockouts showed resistance to the drug and nine from them is associated with cAMP receptor protein (CRP), a transcriptional dual regulator in E. coli. Moreover, levels of OxyS and OxyS-modulated genes (cycA and cysH) were also altered in multidrug-resistant (MDR) E. coli strains. Together, our data suggest that OxyS extensively modulates gene expression in multiple pathways to develop cephalothin resistance. In addition, OxyS and its regulated target genes, either individually or in combination, could be used as molecular markers and targets for the identification and eradication of cephalothin-resistant strains.
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12
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Wang M, Chen SY, Zhang JX, He XX, Xiong WG, Sun YX. Variations of antibiotic resistance profiles in chickens during administration of amoxicillin, chlortetracycline and florfenicol. J Appl Microbiol 2018; 125:1692-1701. [PMID: 30091825 DOI: 10.1111/jam.14065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 08/03/2018] [Accepted: 08/04/2018] [Indexed: 01/11/2023]
Abstract
AIM To assess the effect of antibiotics administered in feed on the resistance phenotypes and genotypes of Escherichia coli in the chicken intestine. METHOD AND RESULTS Chickens were administered amoxicillin, chlortetracycline and florfenicol in feed and 203 intestinal E. coli were examined for their susceptibility to 11 antimicrobial agents and for the presence of antibiotic resistance genes (ARG) using PCR. DNA was extracted from chicken stool samples in 15, 20, 30 and 40 day old chickens. We found that while antibiotic resistance rates increased with time, the relative gene abundance of tet(W), tet(A), cmlA, cfr and sul1 decreased. In contrast, the relative abundance of gene blaTEM and mcr-1 increased over the experimental period. Pearson correlation analysis indicated that sul1 was correlated with tet(W) (R = 0·630, P < 0·01) and cmlA was correlated with cfr (R = 0·587, P < 0·01). Interestingly, mcr-1 correlated with tet(W) (R = -0·546, P < 0·05). CONCLUSIONS Administration of different antibiotic reduced the relative abundance of ARG in chickens but did not halt the expansion of antibiotic resistance. SIGNIFICANCE AND IMPACT OF THE STUDY Changing the pattern of antibiotic types used to prevent antibiotic resistance in chickens is not a viable method to prevent the spread of ARG.
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Affiliation(s)
- M Wang
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
| | - S-Y Chen
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
| | - J-X Zhang
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
| | - X-X He
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
| | - W-G Xiong
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
| | - Y-X Sun
- National Laboratory of Safety Evaluation (Environmental Assessment) of Veterinary Drugs (SCAU), South China Agricultural University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bactria, South China Agricultural University, Guangzhou, China
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Wolny-Koładka K, Lenart-Boroń A. Antimicrobial resistance and the presence of extended-spectrum beta-lactamase genes in Escherichia coli isolated from the environment of horse riding centers. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:21789-21800. [PMID: 29796881 PMCID: PMC6063325 DOI: 10.1007/s11356-018-2274-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 05/08/2018] [Indexed: 05/11/2023]
Abstract
The aim of the study was to determine the antimicrobial resistance profile and the occurrence of extended-spectrum beta-lactamase genes and to analyze the genetic diversity of Escherichia coli strains isolated from the environment of horse riding centers. The study was conducted using E. coli strains isolated from the air, manure, and horse nostril swabs in three horse riding centers differing in the system of horse keeping-stable (OJK Pegaz and KJK Szary) and free-range (SKH Nielepice). Resistance to antibiotics was determined using the disk-diffusion method, and the PCR technique was employed to detect the extended-spectrum β-lactamase (ESBL) genes, while the genetic diversity of strains was assessed by rep-PCR. A total of 200 strains were collected during the 2-year study, with the majority isolated from KJK Szary, while the smallest number was obtained from SKH Nielepice. The strains were mostly resistant to ampicillin, aztreonam, and ticarcillin. The tested strains were most frequently resistant to one or two antibiotics, with a maximum of ten antimicrobials at the same time. Two multidrug-resistant (MDR) strains were detected in OJK Pegaz while in KJK Szary there were two MDR and one extensively drug-resistant (XDR) strain. The ESBL mechanism was most frequently observed in OJK Pegaz (20.31% of strains) followed by KJK Szary (15.53% of strains) and SKH Nielepice (15.15% of strains). Among the ESBL-determining genes, only blaTEM and blaCTXM-9 were detected-blaTEM was mostly found in KJK Szary (53.40% of strains), while the second detected gene-blaCTXM-9-was most frequent in SKH Nielepice (6.06% of strains). The rep-PCR genotyping showed high variation among the analyzed strains, whereas its degree differed between the studied facilities, indicating that the type of horse keeping (stable vs. free-range) affects the genetic diversity of the E. coli strains. Having regard to the fact that the tested strains of E. coli were derived from non-hospitalized horses that were not treated pharmacologically, we can assume that the observed antimicrobial resistance may be of both-natural origin, i.e., not the result of the selection pressure, and acquired, the source of which could be people present in the horse riding facilities, the remaining horses which were not included in the study, and air, as well as water, fodder, and litter of the animals. Therefore, it can be concluded that the studied horses are the source of resistant E. coli and it is reasonable to continue monitoring the changes in antimicrobial resistance in those bacteria.
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Affiliation(s)
- Katarzyna Wolny-Koładka
- Department of Microbiology, University of Agriculture in Cracow, Mickiewicza Ave 24/28, 30-059, Cracow, Poland.
| | - Anna Lenart-Boroń
- Department of Microbiology, University of Agriculture in Cracow, Mickiewicza Ave 24/28, 30-059, Cracow, Poland
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Lifshitz Z, Sturlesi N, Parizade M, Blum SE, Gordon M, Taran D, Adler A. Distinctiveness and Similarities Between Extended-Spectrum β-Lactamase-Producing Escherichia coli Isolated from Cattle and the Community in Israel. Microb Drug Resist 2018; 24:868-875. [DOI: 10.1089/mdr.2017.0407] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ziv Lifshitz
- National Center of Infection Control, Ministry of Health, Tel-Aviv, Israel
| | - Na'ama Sturlesi
- Koret School of Veterinary Medicine, Hebrew University, Rehovot, Israel
| | - Miriam Parizade
- Clinical Microbiology Laboratory, Maccabee Health Systems, Rehovot, Israel
| | | | - Michal Gordon
- The National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Be'er-Sheba, Israel
| | - Diana Taran
- Clinical Microbiology Laboratory, Maccabee Health Systems, Rehovot, Israel
| | - Amos Adler
- National Center of Infection Control, Ministry of Health, Tel-Aviv, Israel
- Department of Epidemiology and Preventative Medicine, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Saticioglu IB, Duman M, Altun S. Antimicrobial resistance and molecular characterization of Pantoea agglomerans isolated from rainbow trout ( Oncorhynchus mykiss ) fry. Microb Pathog 2018; 119:131-136. [DOI: 10.1016/j.micpath.2018.04.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/12/2018] [Accepted: 04/12/2018] [Indexed: 10/17/2022]
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Zhang GB, Maddili SK, Tangadanchu VKR, Gopala L, Gao WW, Cai GX, Zhou CH. Discovery of natural berberine-derived nitroimidazoles as potentially multi-targeting agents against drug-resistant Escherichia coli. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9169-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Liakopoulos A, Mevius D, Ceccarelli D. A Review of SHV Extended-Spectrum β-Lactamases: Neglected Yet Ubiquitous. Front Microbiol 2016; 7:1374. [PMID: 27656166 PMCID: PMC5011133 DOI: 10.3389/fmicb.2016.01374] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 08/19/2016] [Indexed: 12/29/2022] Open
Abstract
β-lactamases are the primary cause of resistance to β-lactams among members of the family Enterobacteriaceae. SHV enzymes have emerged in Enterobacteriaceae causing infections in health care in the last decades of the Twentieth century, and they are now observed in isolates in different epidemiological settings both in human, animal and the environment. Likely originated from a chromosomal penicillinase of Klebsiella pneumoniae, SHV β-lactamases currently encompass a large number of allelic variants including extended-spectrum β-lactamases (ESBL), non-ESBL and several not classified variants. SHV enzymes have evolved from a narrow- to an extended-spectrum of hydrolyzing activity, including monobactams and carbapenems, as a result of amino acid changes that altered the configuration around the active site of the β -lactamases. SHV-ESBLs are usually encoded by self-transmissible plasmids that frequently carry resistance genes to other drug classes and have become widespread throughout the world in several Enterobacteriaceae, emphasizing their clinical significance.
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Affiliation(s)
- Apostolos Liakopoulos
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen UR Lelystad, Netherlands
| | - Dik Mevius
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen URLelystad, Netherlands; Faculty of Veterinary Medicine, Utrecht UniversityUtrecht, Netherlands
| | - Daniela Ceccarelli
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen UR Lelystad, Netherlands
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