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Mitra SD, Shome R, Bandopadhyay S, Geddam S, Kumar AMP, Murugesan D, Shome A, Shome BR. Genetic insights of antibiotic resistance, pathogenicity (virulence) and phylogenetic relationship of Escherichia coli strains isolated from livestock, poultry and their handlers - a one health snapshot. Mol Biol Rep 2024; 51:404. [PMID: 38456953 DOI: 10.1007/s11033-024-09354-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 02/14/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Pathogenic and non-pathogenic strains of Escherichia coli harbouring antibiotic resistance genes (ARGs) from any source (clinical samples, animal settings, or environment) might be transmitted and contribute to the spread and increase of antibiotic resistance in the biosphere. The goal of this study was to investigate the genome to decipher the repertoire of ARGs, virulence genes carried by E. coli strains isolated from livestock, poultry, and their handlers (humans), and then unveil the genetic relatedness between the strains. METHODS Whole genome sequencing was done to investigate the genetic makeup of E. coli isolates (n = 20) [swine (n = 2), cattle (n = 2), sheep (n = 4), poultry (n = 7), and animal handlers (n = 5)] from southern India. The detection of resistome, virulome, biofilm forming genes, mobile genetic elements (MGE), followed by multilocus sequence typing (MLST) and phylogenetic analyses, were performed. RESULTS E. coli strains were found to be multi drug resistant, with a resistome encompassing > 20 ARGs, the virulome-17-22 genes, and > 20 key biofilm genes. MGE analysis showed four E. coli isolates (host: poultry, swine and cattle) harbouring composite transposons with ARGs/virulence genes (blaTEM, dfr, qnr/nleB, tir, eae,and esp) with the potential for horizontal transfer. MLST analyses revealed the presence of ST937 and ST3107 in both livestock/poultry and their handlers. Phylogenomic analyses with global E. coli isolates (human/livestock/poultry hosts) showed close relatedness with strains originating from different parts of the world (the United States, China, etc.). CONCLUSION The current study emphasizes the circulation of strains of pathogenic sequence types of clinical importance, carrying a diverse repertoire of genes associated with antibiotic resistance, biofilm formation and virulence properties in animal settings, necessitating immediate mitigation measures to reduce the risk of spread across the biosphere.
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Affiliation(s)
- Susweta Das Mitra
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India
- Department of Biotechnology School of Basic and Applied Sciences, Dayananda Sagar University, Kumaraswamy Layout, Bengaluru, Karnataka, 560078, India
| | - Rajeswari Shome
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India
| | - Satarupa Bandopadhyay
- Department of Biotechnology School of Basic and Applied Sciences, Dayananda Sagar University, Kumaraswamy Layout, Bengaluru, Karnataka, 560078, India
| | - Sujatha Geddam
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India
| | - A M Praveen Kumar
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India
| | - Devi Murugesan
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India
| | - Arijit Shome
- College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, 781022, India
| | - Bibek Ranjan Shome
- ICAR-National Institute of Veterinary epidemiology and Disease Informatics (ICAR- NIVEDI), Yelahanka, Bengaluru, 560 064, India.
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Sakaguchi K, Tanabe M, Takizawa S, Kasahara S, Denda T, Koide S, Hayashi W, Nagano Y, Nagano N. Zoonotic potential and antimicrobial resistance of Escherichia spp. in urban crows in Japan-first detection of E. marmotae and E. ruysiae. Comp Immunol Microbiol Infect Dis 2023; 100:102040. [PMID: 37619490 DOI: 10.1016/j.cimid.2023.102040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023]
Abstract
Little is known about the prevalence of antimicrobial-resistant bacteria and pathogenic Escherichia coli in crows (carrion and jungle crows). We studied the phylogeny, virulence and antimicrobial resistance gene profiles of crow E. coli isolates to investigate their zoonotic potential and molecular epidemiology. During the winter of 2021-2022, 34 putative E. coli isolates were recovered from 27 of the 65 fresh fecal samples collected in urban areas. Three strains of the B1-O88:H8-ST446-fimH54 lineage, classified as extraintestinal pathogenic E. coli (ExPEC) and necrotoxigenic E. coli type 2, were colistin-resistant and harbored mcr-1.1-carrying IncI2 plasmids. The blaCTX-M-55 was identified in a multidrug-resistant B1-O non-typeable:H23-ST224-fimH39 strain. In phylogroup B2, two lineages of O6:H1-ST73-fimH30 and O6:H5-ST83-fimH21 were classified as ExPEC, uropathogenic E. coli, and necrotoxigenic E. coli type 1 (O6:H5-ST83-fimH21), and contained several virulence genes associated with avian pathogenic E. coli. Noteworthy is that three isolates, identified as E. coli by MALDI-TOF MS, were confirmed to be two Escherichia marmotae (cryptic clade V) and one Escherichia ruysiae (cryptic clade III) based on ANI and dDDH analyses. Our results provide the first evidence of these new species in crows. E. marmotae and E. ruysiae isolates in this study were classified as ExPEC and contained the enteroaggregative E. coli heat-stable toxin 1 gene. In addition, these two E. marmotae isolates displayed a close genetic relationship with human isolates associated with septicemia. This study provides the first insights into the prevalence and zoonotic significance of Escherichia spp. in urban crows in Japan, posing a significant risk for their transmission to humans.
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Affiliation(s)
- Kanae Sakaguchi
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Mizuki Tanabe
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Shino Takizawa
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Satoe Kasahara
- Suwa Hydrobiological Station, Faculty of Science, Shinshu University, 5-2-4 Kogan-dori, Suwa, Nagano 392-0027, Japan
| | - Tomohiro Denda
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Shota Koide
- Department of Medical Sciences, Shinshu University Graduate School of Medicine, Science and Technology, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Wataru Hayashi
- Department of Medical Sciences, Shinshu University Graduate School of Medicine, Science and Technology, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Yukiko Nagano
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Noriyuki Nagano
- Department of Health and Medical Sciences, Shinshu University Graduate School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan; Department of Medical Sciences, Shinshu University Graduate School of Medicine, Science and Technology, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan.
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Tetracycline-Resistant Genes in Escherichia coli from Clinical and Nonclinical Sources in Rivers State, Nigeria. Int J Microbiol 2022; 2022:9192424. [PMID: 35855811 PMCID: PMC9288291 DOI: 10.1155/2022/9192424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 06/24/2022] [Indexed: 11/18/2022] Open
Abstract
Background Monitoring the occurrence of tetracycline resistance and its determinants in both clinical and nonclinical settings is essential in understanding the role played by continuous usage of this drug in animal husbandry and the withdrawal of this drug from clinical practice. Limited information is available on this from our locale. This study, therefore, set out to explore the occurrence of specific tetracycline-resistant genes in Escherichia coli from clinical and nonclinical sources in Rivers State, Nigeria. Methods Two hundred clinical and nonclinical samples were analyzed for the presence of E. coli using standard phenotypic and genotypic tests. Susceptibility testing was carried out using the Kirby–Bauer disc diffusion method, and specific tetracycline-resistant genes (tetA, tetB, tetG, and tetM) were assayed. Results Results showed that stool samples had the highest occurrence of E. coli (39, 78%), and soil had the lowest (13, 26%). Tetracycline resistance was observed in 80.7% of total isolates. The tetA genes were the most commonly occurring (n = 80, 89.9%) detected in confirmed E. coli isolates, and tetG, the least commonly occurring (n = 16,18%) of isolates. The combined presence of tetA-tetM was the highest (n = 14, 15.7%), followed by tetA-tetB (n = 13, 14.8%). Conclusion The present study reports on the occurrence and distribution of four tetracycline-resistant determinants in E. coli from clinical and nonclinical sources in Rivers State, Nigeria. The high-level occurrence of the most commonly occurring tetracycline gene even in nonclinical isolates could be indicative of a potential reservoir of this resistance. And, this could limit the reintroduction of tetracycline even in combination therapy.
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Vassileva M, Mocali S, Canfora L, Malusá E, García del Moral LF, Martos V, Flor-Peregrin E, Vassilev N. Safety Level of Microorganism-Bearing Products Applied in Soil-Plant Systems. FRONTIERS IN PLANT SCIENCE 2022; 13:862875. [PMID: 35574066 PMCID: PMC9096872 DOI: 10.3389/fpls.2022.862875] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 03/18/2022] [Indexed: 05/17/2023]
Abstract
The indiscriminate use of chemical fertilizers adversely affects ecological health and soil microbiota provoking loss of soil fertility and greater pathogen and pest presence in soil-plant systems, which further reduce the quality of food and human health. Therefore, the sustainability, circular economy, environmental safety of agricultural production, and health concerns made possible the practical realization of eco-friendly biotechnological approaches like organic matter amendments, biofertilizers, biopesticides, and reuse of agro-industrial wastes by applying novel and traditional methods and processes. However, the advancement in the field of Biotechnology/Agriculture is related to the safety of these microorganism-bearing products. While the existing regulations in this field are well-known and are applied in the preparation and application of waste organic matter and microbial inoculants, more attention should be paid to gene transfer, antibiotic resistance, contamination of the workers and environment in farms and biotech-plants, and microbiome changes. These risks should be carefully assessed, and new analytical tools and regulations should be applied to ensure safe and high-quality food and a healthy environment for people working in the field of bio-based soil amendments.
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Affiliation(s)
- Maria Vassileva
- Department of Chemical Engineering, Institute of Biotechnology, University of Granada, Granada, Spain
| | - Stefano Mocali
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment, Rome, Italy
| | - Loredana Canfora
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment, Rome, Italy
| | - Eligio Malusá
- Research Institute of Horticulture, Skierniewice, Poland
- Council for Agricultural Research and Economics, Center for Viticulture and Enology, Conegliano, Italy
| | | | - Vanessa Martos
- Department of Plant Physiology, University of Granada, Granada, Spain
| | - Elena Flor-Peregrin
- Department of Chemical Engineering, Institute of Biotechnology, University of Granada, Granada, Spain
| | - Nikolay Vassilev
- Department of Chemical Engineering, Institute of Biotechnology, University of Granada, Granada, Spain
- Institute of Biotechnology, University of Granada, Granada, Spain
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