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Gupta SS, Hamza Kh M, Sones CL, Zhang X, Sivaraman GK. The CRISPR/Cas system as an antimicrobial resistance strategy in aquatic ecosystems. Funct Integr Genomics 2024; 24:110. [PMID: 38806846 DOI: 10.1007/s10142-024-01362-7] [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: 03/13/2024] [Revised: 04/22/2024] [Accepted: 04/27/2024] [Indexed: 05/30/2024]
Abstract
With the growing population, demand for food has dramatically increased, and fisheries, including aquaculture, are expected to play an essential role in sustaining demand with adequate quantities of protein and essential vitamin supplements, employment generation, and GDP growth. Unfortunately, the incidence of emerging/re-emerging AMR pathogens annually occurs because of anthropogenic activities and the frequent use of antibiotics in aquaculture. These AMR pathogens include the WHO's top 6 prioritized ESKAPE pathogens (nosocomial pathogens: Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.), extended-spectrum beta lactases (ESBLs) and carbapenemase-producing E. coli, which pose major challenges to the biomagnification of both nonnative and native antibiotic-resistant bacteria in capture and cultured fishes. Although implementing the rational use of antibiotics represents a promising mitigation measure, this approach is practically impossible due to the lack of awareness among farmers about the interplay between antimicrobial use and the emergence of antimicrobial resistance (AMR). Nevertheless, to eradicate these 'superbugs,' CRISPR/Cas (clustered regularly interspersed short palindromic repeats/CRISPR associate protein) has turned out to be a novel approach owing to its ability to perform precise site-directed targeting/knockdown/reversal of specific antimicrobial resistance genes in vitro and to distinguish AMR-resistant bacteria from a plethora of commensal aquatic bacteria. Along with highlighting the importance of virulent multidrug resistance genes in bacteria, this article aims to provide a holistic picture of CRISPR/Cas9-mediated genome editing for combating antimicrobial-resistant bacteria isolated from various aquaculture and marine systems, as well as insights into different types of CRISPR/Cas systems, delivery methods, and challenges associated with developing CRISPR/Cas9 antimicrobial agents.
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Affiliation(s)
- Sobin Sonu Gupta
- Founder & CEO at Times of Biotech, Navelim Bicholim, Goa-403505, India
- Microbiology, Fermentation & Biotechnology Division, ICAR- Central Institute of Fisheries Technology, Cochin-29, Kerala, India
| | - Muneeb Hamza Kh
- Microbiology, Fermentation & Biotechnology Division, ICAR- Central Institute of Fisheries Technology, Cochin-29, Kerala, India
| | - Collin L Sones
- Founder and CTO of Highfield Diagnostics, Zepler Institute of Photonics and Nanoelectronics, University of Southampton, SO17 1BJ, Southampton, UK
| | - Xunli Zhang
- School of Engineering & Institute for Life Sciences, University of Southampton, SO17 1BJ, Southampton, UK
| | - Gopalan Krishnan Sivaraman
- Microbiology, Fermentation & Biotechnology Division, ICAR- Central Institute of Fisheries Technology, Cochin-29, Kerala, India.
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Muangrerk C, Uchuwittayakul A, Srisapoome P. Identification, Expression and Antimicrobial Functional Analysis of Interleukin-8 (IL-8) in Response to Streptococcus iniae and Flavobacterium covae in Asian Seabass ( Lates calcarifer Bloch, 1790). Animals (Basel) 2024; 14:475. [PMID: 38338118 PMCID: PMC10854937 DOI: 10.3390/ani14030475] [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: 11/28/2023] [Revised: 01/16/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024] Open
Abstract
In this research, the proinflammatory cytokine interleukin-8 (IL-8) was shown to play a key role in inflammatory responses in fish. This study involved the cloning of the gene that encodes IL-8 in Asian seabass (Lates calcarifer) as well as analyses of its expression and function in this fish. The expression levels of LcIL-8 indicated that it was broadly expressed in most analyzed tissues, with the most predominant expression in the whole blood 6 to 24 h after infection with S. iniae at concentrations of 105 colony-forming units (CFU)/fish (p < 0.05). After fish were immersed in F. covae, the LcIL-8 transcript was upregulated in the gills, liver and intestine, and the highest expression level was observed in the gills. However, LcIL-8 was downregulated in all the tested tissues at 48 and 96 h after infection with the two pathogenic strains, indicating that Lc-IL8 has a short half-life during the early immune responses to pathogens. Moreover, the MIC of the rLcIL-8 protein against S. iniae was 10.42 ± 3.61 µg/mL. Furthermore, functional analyses clearly demonstrated that 10 and 100 µg of the rLcIL-8 protein efficiently enhanced the phagocytic activity of Asian seabass phagocytes in vitro (p < 0.05). Additionally, in vivo injection of S. iniae following the rLcIL-8 protein indicated that 50 and 100 µg of rLc-IL-8 were highly effective in protecting fish from this pathogen (p < 0.001). The obtained results demonstrate that rLcIL-8 possesses a biological function in the defense against bacterial infections in Asian seabass.
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Affiliation(s)
- Chayanee Muangrerk
- Laboratory of Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand; (C.M.); (A.U.)
- Center of Excellence in Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand
| | - Anurak Uchuwittayakul
- Laboratory of Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand; (C.M.); (A.U.)
- Center of Excellence in Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand
| | - Prapansak Srisapoome
- Laboratory of Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand; (C.M.); (A.U.)
- Center of Excellence in Aquatic Animal Health Management, Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Paholayothin Road, Ladyao, Chatuchak, Bangkok 10900, Thailand
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Canan-Rochenbach G, Barreiros MAB, Lima AOS, Conti-Lampert AD, Ariente-Neto R, Pimentel-Almeida W, Laçoli R, Corrêa R, Radetski CM, Cotelle S. Are hospital wastewater treatment plants a source of new resistant bacterial strains? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:108635-108648. [PMID: 37752395 DOI: 10.1007/s11356-023-30007-8] [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: 06/06/2023] [Accepted: 09/17/2023] [Indexed: 09/28/2023]
Abstract
To understand which type of hospital waste may contain the highest amount of antibiotic resistant microorganisms that could be released into the environment, the bacterial strains entering and leaving a hospital wastewater treatment plant (HWTP) were identified and tested for their antibiotic susceptibility. To achieve this goal, samples were collected from three separate sites, inlet and outlet wastewater positions, and sludge generated in a septic tank. After microbiological characterization according to APHA, AWWA, and WEF protocols, the relative susceptibility of the bacterial strains to various antibiotic agents was assessed according to the Clinical and Laboratory Standards Institute guidelines, to determine whether there were higher numbers of resistant bacterial strains in the inlet wastewater sample than in the outlet wastewater and sludge samples. The results showed more antibiotic resistant bacteria in the sludge than in the inlet wastewater, and that the Enterobacteriaceae family was the predominant species in the collected samples. The most antibiotic-resistant families were found to be Streptococcacea and non-Enterobacteriaceae. Some bacterial strains were resistant to all the tested antibiotics. We conclude that the studied HWTP can be considered a source of resistant bacterial strains. It is suggested that outlet water and sludge generated in HWTPs should be monitored, and that efficient treatment to eliminate all bacteria from the different types of hospital waste released into the environment is adopted.
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Affiliation(s)
- Gisele Canan-Rochenbach
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil
| | - Marco A B Barreiros
- Universidade Federal do Paraná (UFPR), Campus Palotina, Palotina, PR, 85950-000, Brazil
| | - André O S Lima
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil
| | - Aline Dal Conti-Lampert
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil
| | - Rafael Ariente-Neto
- Universidade Federal do Paraná (UFPR), Campus Jandaia do Sul, Curso de Engenharia de Produção, Jandaia do Sul, PR, 86900-000, Brazil
| | - Wendell Pimentel-Almeida
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil
| | - Rosane Laçoli
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil
| | - Rogério Corrêa
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciências Farmacêuticas, Itajaí, SC, 88302-202, Brazil
| | - Claudemir M Radetski
- Universidade do Vale do Itajaí (UNIVALI), Programa de Pós-Graduação em Ciência e Tecnologia Ambiental, Itajaí, SC, 88302-202, Brazil.
| | - Sylvie Cotelle
- Université de Lorraine, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), F-57050, Metz, France
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Guardone L, Tinacci L, Armani A, Trevisani M. Residues of veterinary drugs in fish and fish products: An analysis of RASFF data over the last 20 years. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108780] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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